98 results about "Siniperca chuatsi" patented technology

The invention discloses an intensive ecological mandarin fish breeding system in a photovoltaic composite environment, which comprises a photovoltaic breeding area, an intelligent management and control center and an energy collaboration module, and is characterized in that a photovoltaic power station array is arranged in a space above the photovoltaic breeding area; the photovoltaic culture area is provided with at least one industrial culture group, each industrial culture group comprises a plurality of metal culture ponds, and each culture pond is of a round pond structure with an inverted conical bottom and a central sewage collection opening; the plurality of metal culture ponds are communicated through pipelines or diversion structures, and the intelligent management and control center comprises a data acquisition layer, a platform decision-making layer and an application control layer; the data acquisition layer is used for acquiring culture environment data in real time and comprises a water quality monitoring sub-module, a meteorological monitoring sub-module and a video monitoring sub-module; a mandarin fish growth regulation and control model is arranged in the platform decision-making layer, and the model is configured to be capable of processing data uploaded by the data acquisition layer and at least executing one of the following decisions.

The application discloses a mandarin fish domestication pool, which comprises a pool body, wherein an oxygenation device, a water inlet and a water outlet are arranged in the pool body, a bait fish breeding frame is arranged below the water inlet, and a feeding device is arranged on the side of the bait fish breeding frame; the feeding device comprises a feeding pipe, a bait temporary storage tank arranged on the upper end of the feeding pipe, a feeding hopper arranged on the upper end of the bait temporary storage tank, cathode ring pieces and anode ring pieces arranged in the feeding pipe, and a pulse generator and a pulse power amplifier connected through wires. The domestication pool is improved, so that live fish feeding, live fish and dead fish or feed proportionate feeding are facilitated, and switching and adjustment are facilitated, thereby improving the convenience and success rate of domestication.

This invention discloses a method for large-scale breeding of all-female triploid mandarin fish, comprising the following steps: (1) Preparation of all-female diploid fertilized eggs: using male mandarin fish pseudo-males (XX) induced by androgens and female mandarin fish (XX) selected from superior strains as parent fish, collecting sperm and eggs, mixing the two, adding water at a temperature of 28℃ to activate sperm for fertilization, and obtaining all-female diploid fertilized eggs; (2) Heat shock induction of triploids: after the all-female diploid fertilized eggs are fertilized in the above-mentioned water at a temperature of 28℃ for 8 minutes, they are immediately transferred to water at a temperature of 39~41℃ for 1~2 minutes for heat shock induction, and all-female triploid fertilized eggs are obtained; (3) Seedling hatching and cultivation: the fertilized eggs induced by heat shock in step (2) are transferred to the hatching system for hatching, and then conventional seedling cultivation is carried out to obtain all-female triploid mandarin fish seedlings. The mandarin fish fry produced by this method have a high female rate, triploid rate, and survival rate.

The utility model discloses an efficient scaling and cleaning device for mandarin fish processing, and relates to the technical field of fishery processing tools, the efficient scaling and cleaning device comprises a grip and a protective cover installed at the front end of the grip, a motor is installed in the grip, and an output shaft of the motor is connected with a driving rotating shaft through a coupler; the right end of the interior of the protective cover is rotationally connected with a rotating connecting shaft, the connecting shaft is connected with a tool bit clamp, the driving rotating shaft is connected with one end of a scaling assembly, and the other end of the scaling assembly is clamped by the tool bit clamp. The tool bit clamp convenient to disassemble is arranged, when the tool bit is disassembled, the positioning bolt is screwed out firstly, then the tool bit penetrates into the hole in one side of the protective cover, fingers pinch the lap lugs, then the connecting shaft sleeve can be pulled outwards, limiting to the tool bit is relieved, and the tool bit clamp is good in tool bit clamping stability, convenient to disassemble and more convenient to use.

1. Name of the product in this design: Packaging Box (Stinky Mandarin Fish). 2. Purpose of this design: For packaging products. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to a rapid mandarin fish sex monitoring system based on ultrasonic image feature recognition, which comprises a multi-modal data acquisition module, an integrated high-frequency ultrasonic probe (10-15MHz), a near infrared spectrum module (850nm) and a visible light camera, and is used for synchronously acquiring an ultrasonic image, blood oxygen distribution data and a mandibular contour image of a mandarin fish belly gonad area. The rapid mandarin fish sex monitoring system based on the multi-mode ultrasonic image and intelligent analysis has a high-precision identification effect, the ultrasonic texture features are combined with near-infrared blood oxygen distribution data, the sex judgment accuracy is improved to be larger than or equal to 95%, and the misjudgment rate is reduced to be smaller than 3%.

The invention discloses a fishing and light integrated mandarin fish ecological breeding method of a large-span flexible heat preservation greenhouse. The method comprises the following steps: (a) building the large-span flexible heat preservation greenhouse; (b) offspring seed putting; (c) regulating and controlling the water temperature of the mandarin fish pond; (d) bait feeding: feeding mandarin fish pellet feed along the bank after the mandarin fish fries are fed in each season; and (e) catching the mandarin fish by adopting a pull net. According to the fishing and light integrated flexible support photovoltaic and large-span flexible heat preservation greenhouse culture system, mandarin fish fry stocking, precise feeding of matched feed and fine water temperature regulation are combined; the problems of low fry survival rate, low growth speed, low feed conversion rate, high disease occurrence rate, difficulty in fishing, unobvious synergy and the like in a traditional mandarin fish culture mode are solved, facility efficient culture of mandarin fish is realized, integrated design is realized, a large-span flexible heat preservation greenhouse is arranged by utilizing photovoltaic pile positions, the construction cost of a temperature control greenhouse can be remarkably reduced, and the economic benefit is increased. And a real fishing and light integrated effect is achieved.

The embodiment of the application discloses a kind of based on low salt domestication and partition feeding mandarin fish fry scale-up cultivation method.The method is by providing low salinity domestication pool, and mandarin fish fry is put into the low salinity domestication pool, simultaneously based on light-flow composite stress domestication food process, using partition feeding and intelligent bait conversion system to mandarin fish fry is converted food, after mandarin fish fry is completed conversion food, hierarchical water quality regulation is carried out and micro-ecological steady state is constructed, until mandarin fish fry is out of pool, and is transferred into fish culture, to solve mandarin fish fry conversion food difficult, survival rate is low, and disease frequently occurs etc.Industrialization pain point, for realizing mandarin fish large specification fry scale-up, standardization, green production provides complete technical scheme, with wide popularization prospect and significant economic, social, ecological benefits.

The application provides a seven-day period factory cyclic Megalobrama amblycephala fry behavior domestication method and system, relates to the Megalobrama amblycephala breeding technical field, and includes: domesticating the fry into a domestication pond on the first day; starting vertical water flow impact before feeding fresh bait fish according to a preset first feeding frequency on the second day; feeding electric shock disabled live bait according to a preset second feeding frequency on the third day; feeding mixed live bait according to a preset third feeding frequency on the fourth day; feeding mosaic bait according to a preset fourth feeding frequency on the fifth day; feeding pure artificial compound feed using a composite feeding mode and starting water flow impact on the sixth day; feeding pure artificial compound feed on the seventh day, and screening domestication successful individuals based on behavior indexes after the period ends, so that the Megalobrama amblycephala is rapidly domesticated from feeding live bait to feeding artificial compound feed.

The invention discloses a method for visually detecting mandarin fish iridovirus and infectious spleen and kidney necrosis virus based on RPA-CRISPR Cas12a / Cas13a, and belongs to the technical field of biological diagnosis. According to the method, a CRISPR / Cas system is combined with RPA amplification, a fluorescent reporter and a test strip are used for naked eye observation, and the method combines the advantages of different isothermal amplification technologies, has the advantages of short detection time, high specificity, no cross reaction, high sensitivity and the like, realizes rapid and accurate diagnosis of the two pathogens, and has a good application prospect. Important technical support is provided for prevention and control of mandarin fish diseases.

The application discloses application of a dinoflagellate toxin in preparation of a medicine for resisting SCRV virus. The dinoflagellate toxin is Patinopecten yessoensis toxin. The application proves through experiments that the Patinopecten yessoensis toxin can significantly inhibit replication and infection of the SCRV virus, reduce virus titer and copy number, and destroy virus particle structure in a safe concentration range. Therefore, the Patinopecten yessoensis toxin can be used as an SCRV inhibitor for preventing and treating diseases caused by the SCRV of mandarin fish and perciform fish.

The invention relates to an ecological mandarin fish breeding method based on natural breeding of bait fishes, and belongs to the technical field of aquaculture. According to the method, a crayfish culture pond or a river crab culture pond serves as an ecological mandarin fish culture pond, and aquatic plants with the coverage rate larger than 30% are planted. Propagation and growth characteristics of indigenous crucian carps are ingeniously utilized, the indigenous crucian carps are put from November of the previous year to January of the next year, and feed residues and excrement for breeding crayfishes or river crabs are used for providing food for the crucian carps; the aquatic plants provide inhabiting and molting places for the crayfishes or the river crabs, provide spawning places for the crucian carps, and purify water to form a stable ecological system. Large-size mandarin fish fries are put in the middle and last ten days of May in the next year, natural breeding of crucian carps provides continuous and palatable live bait fishes for mandarin fish, an efficient ecological circulation system is formed, and rapid growth of mandarin fish is promoted. The usage amount of the water quality improver and fishery medicine is zero, and mandarin fish, crayfish or river crab and crucian are harvested in autumn at the same time.

This utility model relates to the field of juvenile acclimatization pond technology, specifically a juvenile acclimatization pond for mandarin fish based on a recirculating aquaculture system. The pond includes a circular body with a fish inlet fixedly connected to the top of its side wall. This fish inlet is connected to the opening pond via a pipe. The advantages of this utility model are: the circular pond structure combined with a central drain outlet at the bottom allows for rapid and directional discharge of pollutants such as uneaten feed and feces, effectively reducing the entry of large particulate pollutants into the recirculating water treatment system and lowering energy consumption. The unique fish inlet design allows mandarin fish juveniles to be automatically transferred from the opening pond to the acclimatization pond via water flow guidance, avoiding mechanical damage and stress caused by manual harvesting and significantly reducing juvenile loss. The annular spray jet design simulates a natural feeding environment through regular water flow stimulation, successfully establishing a conditioned reflex feeding mechanism in the mandarin fish juveniles, increasing the acclimatization success rate to over 85%.

The present application relates to a freshness indicator protein related to quality traits of low-temperature stored Siniperca chuatsi, endogenous proteases and applications. The freshness indicator endogenous proteases are related to postmortem proteolysis and meat softening of Siniperca chuatsi, including cathepsin B, cathepsin L and calpain. The freshness indicator proteins are related to quality changes occurring during postmortem cold storage of Siniperca chuatsi, including myoactin 1, myosin binding protein, LDB protein, actin-related protein, etc. The present application determines the change rule of endogenous protease activity of Siniperca chuatsi at different storage stages, and the dynamic influence on muscle proteolysis and muscle degradation of Siniperca chuatsi, and reveals the internal relationship with fish meat sensory quality and processing characteristics, and clearly defines the "critical point" of quality deterioration of Siniperca chuatsi. It provides clear guidance for the control of endogenous enzyme-mediated quality deterioration in the processing and storage process of Siniperca chuatsi.

The invention provides a preparation method and application of a siniperca chuatsi infectious spleen and kidney necrosis virus subunit vaccine. Immunogen of the siniperca chuatsi infectious spleen and kidney necrosis virus subunit vaccine comprises capsid protein MCP of infectious spleen and kidney necrosis virus, envelope protein ORF007L and truncated protein of envelope protein ORF118L; wherein the amino acid sequence of the truncated protein of the capsid protein MCP is as shown in SEQ ID NO. 1; a gene sequence for editing the truncated protein is as shown in SEQ ID NO.4; the amino acid sequence of the truncated protein of the envelope protein ORF007L is as shown in SEQ ID NO. 2; the gene sequence for editing the truncated protein is as shown in SEQ ID NO.5; the amino acid sequence of the truncated protein of the envelope protein ORF118L is as shown in SEQ ID NO. 3; and the gene sequence for editing the truncated protein is as shown in SEQ ID NO.6.

The invention discloses construction of a self-energized sensor based on HOF-on-MOF and application research of enrofloxacin in mandarin fish, and belongs to the field of self-energized sensing, a photocathode material and a photoanode material required by the self-energized sensor are prepared by applying a hydrothermal synthesis method, the self-energized sensor is constructed by utilizing the photocathode material, and the self-energized sensor is used for detecting enrofloxacin in mandarin fish. An aptamer (Apt) is successfully combined to a photocathode, the self-powered photoelectrochemical aptamer sensor is constructed, the photocurrent value of the self-powered sensor is linearly related to the logarithm of the concentration of enrofloxacin (ENR), the photocurrent value after the ENR is added is substituted into a linear regression equation of a standard curve drawn by the photocurrent and the logarithm of the concentration, and the self-powered photoelectrochemical aptamer sensor is constructed. Compared with an existing ENR detection method, the method has the advantages that the detection range is wider (1.0 * 10 <-11 >-1.0 * 10 <-6 > mol / L) and the detection limit is lower (3.3 * 10 <-12 > mol / L), and trace detection of the ENR can be realized.

The invention discloses an SNP (Single Nucleotide Polymorphism) marker primer pair for distinguishing mandarin fish groups in Heilongjiang and Beijing water systems, a kit, application and a method. According to the invention, an SNP (Single Nucleotide Polymorphism) marker is found, the site is lgr4p.D874V and is located at the base 14537718 of a chromosome 1, and the base mutation type is T / A; different genotypes are shown in the two groups, and group verification shows that the site has remarkable group genetic differentiation characteristics and can be used as an effective molecular marker for subsequent group identification. On the basis, the invention also discloses a primer pair of the SNP marker, a kit containing the primer pair, and application of the SNP marker in molecular traceability, germplasm resource identification or population genetic characteristic analysis of a mandarin fish population. The invention further discloses a method for distinguishing siniperca chuatsi group sources in Heilongjiang and Beijing water systems and a molecular monitoring method for siniperca chuatsi local germplasm resources. The method can quickly and accurately identify the population source of the mandarin fish, judge the genetic background and guide the germplasm resource protection and improved variety breeding of the mandarin fish.

This invention discloses a decision-making system for optimizing mandarin fish feed formulation based on the evaluation of disintegrant application. Specifically, it relates to the fields of feed additive application and feed formulation optimization, addressing the problem in existing mandarin fish feed development where the evaluation of the dynamic effects of disintegrants and the design of nutritional formulations are disconnected, leading to inefficient and experience-based optimization relying on trial and error. The system collects dynamic physical characteristics and static nutritional economic data through a data acquisition module; establishes fusion constraints through a conditional fusion module; analyzes component interactions and predicts dynamic characteristics through an interactive simulation module; corrects the prediction results based on water parameters through an environmental correction module; and finally, a grading and screening module and a formulation determination module perform grading and screening based on priority, automatically outputting the optimal formulation. This system achieves systematic, precise, and efficient optimization of mandarin fish feed formulations containing disintegrants, significantly improving the feed's practical effect and acclimatization success rate.

The utility model discloses a mandarin fish culture feed quantitative feeding device which comprises a supporting plate, the upper surface of the supporting plate is fixedly connected with a mounting base, the outer surface of the mounting base is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a lead screw, and the lead screw is in threaded connection with a threaded block; the outer surface of the threaded block is fixedly connected with a supporting block, the outer surface of the supporting block is fixedly connected with a charging barrel, the lower surface of the charging barrel is fixedly connected with a discharging pipe, the inner surface of the charging barrel is fixedly connected with a supporting rod, the other end of the supporting rod is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a connecting rod. The end, away from the second motor, of the connecting rod is fixedly connected with an auger, through cooperation of the second motor, the connecting rod, the auger and the discharging pipe, quantitative feeding of feed can be achieved by controlling the rotating speed of the auger, excessive or insufficient feeding is avoided, and it is ensured that mandarin fish can obtain a proper amount of nutrition.

The mandarin fish egg collecting device comprises an egg laying box horizontally arranged on the ground, and a water inlet is formed in one side of the egg laying box; two flotation devices are symmetrically arranged in the oviposition box, and an adjustable flow guide device is fixed below each flotation device; a separating inclined plate is horizontally arranged in the middle of the interior of the spawning box, a collecting device is fixed to the upper portion of the separating inclined plate, a collecting groove is fixed to one side of the collecting device, and a water outlet is formed in the lower portion of the end of the collecting groove; the two same flotation devices and the adjustable flow guide device are adopted, low-damage stripping and precise flotation separation are achieved, and the problems that in a traditional collection mode, the roe damage rate is high, and impurity separation is not thorough are solved; a flotation device and a separation inclined plate are further adopted, and automatic separation of healthy roes, excrement and unfertilized roes is achieved by means of buoyancy difference.

The utility model relates to the technical field of aquaculture, and discloses a water pushing and oxygen increasing device for feed culture of mandarin fish in a land-based barrel, which comprises the land-based barrel for feed culture of mandarin fish, and further comprises floating frame bodies which are arranged in the land-based barrel and are annularly distributed on the inner side wall of the land-based barrel at equal intervals; the flow guide blocking cloth is arranged on the floating frame bodies, and the number and the distribution position of the flow guide blocking cloth are matched with those of the floating frame bodies; and the air inlet oxygenation assembly is arranged on the floating frame body and is used for feeding air into the land-based barrel for oxygenation, and the water in the land-based barrel is pushed to flow in the same direction under the flow guide action of the flow guide baffle cloth, so that the oxygen content of the water in all positions in the land-based barrel is ensured. The water pushing and oxygen increasing device for land-based barrel mandarin fish feed culture aims at solving the problems that in the land-based barrel mandarin fish feed culture process, a water body is static, water quality is deteriorated, harmful substances are accumulated, nutrient substances are not evenly distributed, and the oxygen content is insufficient.

The invention relates to the technical field of aquaculture, in particular to a variable-frequency feeding device beneficial to mandarin fish domestication, which comprises a floating body, a feeding box is arranged at the top of the floating body, a discharging pipe is arranged at a discharging port of the feeding box, and the end part, far away from the feeding box, of the discharging pipe is positioned under the floating body; a feed throwing device for throwing feed into the discharge pipe is further arranged at the discharge port of the feeding box; a driving mechanism and a transmission mechanism are arranged at the bottom of the floating body; the driving mechanism is used for driving the feeding device to move on the water surface; the transmission mechanism is used for transmitting power of the driving mechanism to the material throwing device; a liquid outlet pipe and a pressurizing pipe are respectively embedded in the bottom of the feeding box and the floating body; one end of the liquid outlet pipe is located at the position of a discharging port of the feeding box, the other end of the discharging pipe is connected with the pressurizing pipe, and the end, away from the liquid outlet pipe, of the pressurizing pipe is located at the bottom of the floating body. The feeding amount of the feeding device is always synchronous with the moving speed of the device, so that the effect of uniformly feeding the water pool is achieved.

The invention discloses a high-salt-odor mandarin fish production fermentation wastewater activated sludge treatment device which is characterized in that a second scraper is arranged on a rotating frame, the rotating frame is arranged in the output direction of a servo motor, wastewater is injected into a water inlet during wastewater treatment until the wastewater level is located at the highest position of the water inlet, and the wastewater treatment efficiency is improved. In this way, floating large impurities can overflow conveniently, after a servo motor is started, a rotating frame can drive a first scraping plate and a second scraping plate to rotate, a telescopic rod can horizontally move in a reciprocating mode, when the telescopic frame moves, a grid can be driven to move up and down through an inclined strut, and when the grid moves downwards, the large impurities on the grid can be washed away; when the filter screen moves upwards, waste water can overflow, large impurities can be pushed into the bearing bin while overflowing, finally, the large impurities are conveyed into the storage box through the scraping plate to be stored, the labor intensity of workers can be relieved through the arrangement, and it is ensured that the floating large impurities and the large impurities attached to the filter screen are completely removed.

A method for producing high-quality room-temperature cooked stinky mandarin fish. The method comprises: subjecting the marinated stinky mandarin fish to processing processes such as thawing, cleaning and dicing, soaking for an antimicrobial treatment, removing the fishy smell and freshness-preserving, low-temperature air drying, frying for shaping, and sterilizing, so as to obtain the room-temperature cooked stinky mandarin fish product.

The utility model discloses a material spraying machine for pickling smelly mandarin fish. The material spraying machine comprises a shell, the controller is fixedly connected to the upper end of one side of the shell; the spraying pipes are symmetrically and fixedly connected to the inner wall of the shell, one side of each spraying pipe is fixedly connected with a spraying material conveying pipe extending out of the shell, and the lower end of one side of the shell is fixedly connected with a cold air conveying pipe; a rotating rod is rotationally connected between the lower rotating frame and the upper rotating frame; the first sliding sleeve and the second sliding sleeve are slidably connected to the surface of the rotating rod. Compared with the prior art, the smelly mandarin fish hanging device has the advantages that the first sliding sleeve and the second sliding sleeve can slide up and down on the surface of the rotating rod through the arrangement of the adjusting assembly, smelly mandarin fish of different sizes can be hung and unfolded conveniently, the space utilization rate in the shell can be improved conveniently, it can be guaranteed that large smelly mandarin fish can be completely hung and can be evenly pickled conveniently, and the salting efficiency is improved. Meanwhile, the filtering assembly is utilized, and solid-liquid separation can be carried out on water generated after pickling and pickling waste materials.

1. The name of the design product: continuous stove (20" Yellow River big carp / mandarin fish continuous stove). 2. The use of the design product: used to place alcohol lamp behind the tableware heating. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention belongs to the technical field of aquaculture wastewater treatment, and particularly discloses an ammonia nitrogen low-carbon treatment system and method for a high-density aquaculture circulating water system.The system comprises an SND biological denitrification unit and an ultraviolet electro-catalysis advanced treatment unit which are sequentially communicated, the monitoring regulation and control module is electrically connected with the SND biological denitrification unit and the ultraviolet electro-catalysis advanced treatment unit; the SND biological denitrification unit comprises a reaction tank, a carbon source adding assembly, an aeration system and a modified polyurethane biological carrier filled in the reaction tank. According to the ammonia nitrogen low-carbon treatment system and method for the high-density culture circulating water system, efficient removal of ammonia nitrogen in culture water is achieved, meanwhile, carbon source consumption and energy consumption are greatly reduced, the operation stability of the system is guaranteed, no toxic by-product is generated, the treated water body can directly flow back for culture, and the requirement for the growth water quality of mandarin fish is met.

This invention discloses a method for domesticating mandarin fish fry, comprising the following steps: 1) After releasing the fry, feed them naturally for one day, then stop feeding for one day, and then feed them live bait fish at a fixed point on the bottom of the pond for 1-2 days; 2) Feed them live bait fish and dead bait fish in a certain proportion, and feed them together for 2-3 days, feeding them once a day at sunset; during feeding, the proportion of dead fish is 5%-50% and gradually increases; 3) Feed them together with live fish, dead fish and feed for 2-3 days, feeding them once a day, gradually increasing the proportion of dead fish from 50% to 100%, while the amount of feed is 0.5-2.5% of the total weight of the mandarin fish in the pond, and gradually increasing, with the total amount of feed being 2.5-3.5% of the total weight of the mandarin fish in the pond; at the same time, continuously raise the feeding height to the water surface; 4) Stop feeding the bait fish and feed them with pure feed on the water surface, and domestication is completed after 1-2 days. This invention can increase the domestication rate of mandarin fish in a short time and can be widely applied to the artificial breeding of mandarin fish.

The invention discloses an application of chaetocin in preparation of a liver-protecting and anti-stress feed additive for mandarin fish. The feed additive comprises chaetocin, and the concentration of the chaetocin in the feed additive is 0.1-0.5 mg / mL. The feed comprises a basal feed and a feed additive, wherein the addition amount of chaetocin in the feed additive in the basal feed is 0.25 mg / kg. Compared with bile acid and bacillus natto, the chaetocin serving as a feed additive in mandarin fish culture is more beneficial to liver protection, liver stress resistance and intestinal health maintenance.

The utility model discloses a water pushing device for mandarin fish culture and belongs to the technical field of mandarin fish culture. The device comprises a vertical moving mechanism, a mounting frame, a horizontal moving mechanism and a water pushing mechanism, a moving part of the vertical moving mechanism is fixedly connected with the mounting frame, and the vertical moving mechanism is used for being fixed to a to-be-mounted object; the horizontal moving mechanism is mounted on the mounting frame, the mounting frame is slidably connected with the water pushing mechanism, and a moving part of the horizontal moving mechanism is fixedly connected with the water pushing mechanism. In the device, the installation depth of the water pushing mechanism and the distance from the water pushing mechanism to the center of the fishpond can be adjusted, water flow distribution can be remarkably optimized, water quality management can be improved, the water circulation efficiency and oxygen distribution can be improved, and meanwhile the requirements of different breeding stages are met.