18 results about "Cephalopod" patented technology

The utility model relates to the field of breeding equipment, and discloses an octopus larva breeding device which comprises a shell, partition plates are arranged in the shell, limiting assemblies are arranged on the outer walls of the partition plates, adjusting assemblies are arranged between the partition plates, an open groove is formed in the shell, and PVC pipes are arranged at the tops of the partition plates and used for providing a shielding place for octopus larvae. The number, the diameter and the throwing distance of the PVC pipes can be adjusted according to breeding requirements; the adjusting assembly comprises a connecting rod, and one end of the connecting rod is rotationally connected to the bottom of the partition plate. The sleeve moves on the outer wall of the two-way threaded rod and drives the connecting rods on the two sides to move reversely or oppositely, so that the partition plates get close to each other or get away from each other, the effect of adjusting the distance between the partition plates is achieved, the living space of the octopus larva in the vertical direction can be adjusted, and cultivation is completed in cooperation with adjustment of the PVC pipe; meanwhile, the PVC pipes on each layer can be conveniently replaced by increasing the distance between the partition plates, and the convenience of the octopus larva breeding device is improved.

SYSTEM FOR THE FARMING OF SHELLFISH BIVALVE MOLLUSCS COMPRISING A BAG AND A MEANS OF ATTACHMENT TO A TABLE. System for oyster farming comprising: a bag (2) for containing shellfed bivalve molluscs and adapted to be attached to a retaining bar of a farming table; a tubular retaining element (22) placed in the bag to allow attachment of said bag to a retaining bar of a farming table; an attachment system (1) for attaching the tubular retaining element to the retaining bar, said attachment system comprising: a part (4) comprising two rings; a movable cleat (10) adapted to be inserted into at least one ring of the part and intended to be held in contact with said ring by a tie; a tie intended to be attached to the movable cleat and to the retaining bar of the table. Figure for the abstract: Fig. 2

The invention discloses an external mollusk migration monitoring system based on mark tracing, and relates to the technical field of ecological monitoring. The method is used for realizing accurate identification and diffusion trend prediction of individual-level migration behaviors. The method comprises the following steps: firstly, applying a fluorescent mark dot matrix with a spectrum coding characteristic on the surface of a mollusc shell to form a unique identity label; then, coherent scanning of a monitoring area is achieved through a dual-wavelength laser beam subjected to quadrature phase modulation, the interference phase difference and frequency shift characteristics of reflected signals are solved, and the spatial position and speed of an individual and the three-dimensional orientation of a shell are obtained; track reconstruction is carried out on the positioning points by using a Kalman filtering algorithm, active movement and inhabitation staying points are identified, and a continuous movement path is generated; and finally, on the basis of clustering analysis and Granger causality test of historical tracks and environmental data of the stay points, the population migration direction and spatial distribution hotspots are predicted, and high precision, automation and intelligence of migration monitoring of the foreign mollusks are realized.

The application relates to a seawater-resistant and damage-resistant skin-like elastomer and a preparation method and application thereof, which are obtained by introducing cation-pi interaction into a polyurethane preparation process to induce the formation of dense nano-phase hydrogen bond clusters. The application has good mechanical properties, damage resistance and seawater resistance of cephalopod skin, has high potential in underwater application in the exploration and utilization of marine resources, especially in coping with the challenges brought by the harsh marine environment, and has good application prospect.

The present invention relates to the technical field of farming aquatic animals, such as bivalve mollusks, for example, oysters or scallops. In particular, the present invention provides a device, system and method for farming mollusks. This invention improves production efficiency in the farming of mollusks, mainly bivalve mollusks, by handling the movement of said mollusks and defining a specific area for each individual. This entails an improvement in individual survival, improving farming density and reducing loss caused by death.

The application discloses an assemblable chain type artificial fish reef, which comprises a plurality of fish rooms, the fish rooms are connected with each other through connecting rods and simple ball hinges to form a chain type structure, the fish room is in a symmetrical double-fan-shaped column structure, ball heads of the simple ball hinges are respectively installed on two end faces of the fish room, ball seats of the simple ball hinges are respectively installed on two ends of the connecting rod, the ball heads can rotate in the ball seats to stretch and fold the fish rooms, the fish rooms are connected with each other to form a chain type overall structure, the fish rooms can be nested and stacked on the bottom of a sea area with a complex structure to form a stable juvenile fish breeding field and a shelter for cephalopods, the juvenile fish breeding field and the shelter can provide a breeding environment for the juvenile fish to feed, stay and avoid enemies, improve the survival rate of the juvenile fish of reef-loving fish, and provide a habitat for cephalopods such as short octopus to avoid enemies.

The utility model relates to a kind of special pool for small cephalopod reproduction, belong to aquaculture facilities technical field, the special pool includes aquaculture pond body, the wall of aquaculture pond body is equipped with hole nest, the inner plug mold that is closely combined with hole nest is equipped in hole nest;Hole nest is set below the aquaculture water level of aquaculture pond body;Cephalopod parent is placed into special pool, the water level in special pool exceeds the hole nest of uppermost end, cephalopod parent enters the inner plug mold of hole nest, bait is fed through the baiting port of inner plug mold during cultivation, residual bait excrement will be discharged into the pollution drain groove of hole nest by the pollution discharge port of inner plug mold, residual bait excrement is discharged into aquaculture pond body by pollution drain groove, cephalopod parent is in inner plug mold, after complete spawning, inner plug mold is pulled out, is placed into hatching pond further hatching with hole nest also has hole nest. It is convenient to operate and manage, reasonably utilize special pool space, reduce production cost.

The invention discloses application of crassostrea gigas miR-182-5p in negative regulation of melanin synthesis, and belongs to the technical field of aquatic genetic breeding and biology. The miR-182-5p in the crassostrea gigas is interfered by the miR-182-5p inhibitor, synthesis of melanin of the crassostrea gigas is remarkably enhanced after the miR-182-5p is interfered, and the color of the crassostrea gigas is black. In addition, the invention also synthesizes an exclusive miR-182-5p stimulant to treat the crassostrea gigas. Results show that compared with wild crassostrea gigas, the content of melanin in the crassostrea gigas injected with the simulant is lower, and the shell color is white. Therefore, the miR-182-5p is in negative correlation with the synthesis of the melanin of the crassostrea gigas, so that the miR-182-5p not only can be used for selecting or predicting the shell color character of the crassostrea gigas, but also can be used for assisting in screening or culturing varieties with high melanin content by silencing or knocking out the miR-182-5p in the crassostrea gigas. The important effect of miR-182-5p in oyster melanin synthesis is clarified for the first time, the molecular mechanism of mollusk melanin formation can be deeply understood, and the miR-182-5p has important significance in promoting practical application of crassostrea gigas quality breeding.

The invention relates to the technical field of food processing, and discloses an intelligent cephalopod food nutritional quality regulation and control method, which comprises the following steps: S1, data acquisition and deployment: respectively arranging sensor combinations in a frying area, a coating area, a conveying area and an environment monitoring point of a cephalopod food coating and frying production line; the method comprises the following steps: S1, generating a processing variable feature set and a quality feature set, S3, screening key data, S4, generating regulation and control parameters, and S5, performing real-time regulation and control. According to the method, multiple types of sensors are deployed in a key area of a production line, data such as oil temperature and humidity are collected according to the frequency of 50 ms / time, feature extraction, a random forest and a BP neural network coupling algorithm are combined, the nonlinear relation between processing variables and quality and the dynamic relation between the material progress and a failure event are analyzed, and the processing accuracy is improved. The problems that in traditional production, real-time information is difficult to obtain, and the variable influence rule is unknown are solved, and comprehensive data support and scientific basis are provided for accurate regulation and control.

The utility model relates to the field of fishhooks, and discloses a light and firm combined fishhook which comprises a plurality of fishhook bodies, each fishhook body is composed of a hook handle, a hook bottom and a tip, and the fishhook bodies are symmetrically arranged; the fishhook comprises a plurality of fishhook bodies, connecting assemblies are arranged among the fishhook bodies and used for connecting the fishhook bodies, each connecting assembly comprises a plurality of metal linkers, the metal linkers are all connected among the fishhook bodies, and the fishhook bodies are all formed in a one-time bending mode. According to the fishhook, an auxiliary piece metal sleeve or an auxiliary piece linear material does not need to be used by a worker through the connecting assembly, the fishhook bodies are lighter and firmer after being combined, the real swimming postures of small fishes and small shrimps can be better restored when hard artificial baits are assembled, the predation desire of marine head-foot mollusks is stimulated, and the fishing effect of the fishhook bodies is improved. The fish catching probability is effectively improved.

Provided herein is a method for breeding cephalopod larvae in a rearing tank having a water changing means. The method includes a water-changing period during which the ratio of water changed by the water-changing means per day is 200% or more relative to the quantity of water in the rearing tank in a floating breeding period of the cephalopod larvae.

The application provides an octopus oviposition type reef and a manufacturing method, and belongs to the technical field of reef for octopus breeding and nursing. The reef body has a cavity inside, a water passing hole and a plurality of cave entrances are arranged on the side wall of the reef body, each cave entrance is arranged obliquely, and the outer side of the cave entrance is a low end. A plurality of nest bodies correspond to the cave entrances one by one. Each nest body is arranged in the cavity of the reef body. The opening position of each nest body is connected to the inner side wall of the reef body through a connecting part, and the opening of the nest body is communicated with the cave entrance. The nest body and the connecting part are rotationally matched, so that the nest body is inclined downward under the action of its own gravity. The above-mentioned arrangement can provide a relatively hidden and stable protection environment for the eggs of cephalopods, and reduce the risk of eggs being washed away by water flow or being preyed on by other organisms.

The application relates to the field of marine biological baiting technology, and specifically discloses an artificial baiting agent and application thereof in Morula conus fishing. The artificial baiting agent comprises one or more of glutamic acid, taurine, inositol and lactic acid. Four key active ingredients for Morula conus baiting are identified from shark meat, and one or more of the four key active ingredients, namely glutamic acid, taurine, inositol and lactic acid, can be used as the artificial baiting agent, which can achieve good baiting effect on Morula conus. When the four active ingredients are used together, the baiting effect can be equivalent to that of traditional shark meat, the dependence on scarce shark meat resources is effectively reduced, the problem of unstable effect of traditional baiting materials is solved, and important scientific basis and technical support are provided for chemical ecology research of Morula conus and development of baiting agents for other marine mollusks.

The invention discloses a method for extracting cephalopod keratinojaw pigmentation by using computer vision, and belongs to the technical field of crossing of aquatic science and computer vision. The method comprises the following steps: firstly, acquiring a color image of a cutin jaw sample and preprocessing; converting the image into an HSV color space, setting a threshold value of each color component through an interactive threshold value adjustment tool, and segmenting to generate a binary mask of a target area; performing morphological optimization on the mask, and converting the mask into a grey-scale map; and finally, the pigmentation is divided into a plurality of grades according to a predefined gray value range, the pixel proportion of each grade is counted, and a visual result is generated. According to the method, the computer vision technology is adopted, accurate measurement and quantitative analysis of keratinojaw pigmentation are achieved, the pigmentation measurement accuracy is improved, and the intelligence and consistency of data processing are remarkably enhanced. And important support is provided for the ecology and taxonomy of cephalopods.

The present invention relates to a fishing rig assembly capable of adjusting step height, characterized by comprising: a braid connected to a fishing rod; a leader having a tip connected to the end of the braid; an artificial lure (egi) connected to the end of the leader; a sinker provided on the leader; and a catch inducing member connecting the leader and the sinker, which induces the target fish to bite the artificial lure by free-sliding the sinker on the leader according to the speed of the current or the biting activity of the target fish species, thereby providing a structure that can flexibly adjust the operation of the rig according to the speed of the current and the biting activity of the target fish species, and can generate a natural lure effect even without the user continuously moving the egi, as well as simplifying the structure and operation of the rig so that even beginners can use it easily, and improving the efficiency of cephalopod fishing.

The invention relates to the technical field of food processing and intelligent manufacturing, and discloses a multi-source data fusion-based intelligent management and control system for cephalopoda prepared food, which comprises a data acquisition subsystem, a central intelligent research and judgment server and a physical field execution subsystem. The data acquisition subsystem acquires raw material muscle texture and surface dielectric data in real time. And the central intelligent research and judgment server analyzes the muscle fiber trend angle, the surface dielectric constant and the water activity, calculates the critical electrostatic adsorption field intensity for maintaining powder adhesion, and predicts the thermal curling torque in combination with the real-time oil temperature to generate a fluid pressure resisting strategy. And the physical field execution subsystem responds to the instruction and adjusts the electrostatic field intensity of the self-adaptive coating station and the local dynamic flow field of the unstable frying station. According to the method, through cooperation of biological characteristic feedforward and a physical field, thermal shrinkage internal stress is counteracted through a fluid wedge, insufficient surface mucus is compensated through electrostatic coulomb force, the problems of curling deformation and coating falling in cephalopod raw material processing are solved, and active self-adaptive control over quality is achieved.

The present invention relates to feed composition for fish, crustaceans and / or cephalopods, comprising a bacterial biomass or an extract or hydrolysate thereof, wherein the biomass or an extract or hydrolysate thereof comprises at least 25 %w / w protein with respect to the dry mass and at least 5 % w / w nucleic acid with respect to the dry mass. The feed of the present invention is particular useful in promoting the growth of the marine organisms and in promoting their resistance against infectious diseases. Accordingly, the feed of the present invention is particularly applicable in aquaculture.