Precise breeding marking device for wild protected fishes

Abstract

The utility model discloses an accurate breeding marking device for wild protection fish, which comprises a marking body, the marking body comprises two marking sheets and a connecting sheet, and the two marking sheets are connected through the connecting sheet; biocompatible silica gel suckers are arranged on the opposite surfaces of the two marking sheets, and a plurality of line holes are uniformly formed in the edges of the marking sheets and used for being matched with degradable suture lines to sew the two marking sheets on fish dorsal fins; a fluorescent coding layer is arranged on the side, facing the outer side, of the marking piece, a microprocessor is integrated in the marking piece, and the microprocessor is connected with a miniature RFID chip. According to the utility model, a dual fixing structure combining the biocompatibility silica gel sucker and the degradable suture line is adopted, and the silica gel sucker realizes noninvasive preliminary fixation through negative pressure adsorption, so that mechanical damage caused by traditional physical marking is avoided; the degradable suture line is made of environment-friendly materials such as polylactic acid, and the degradation period of the suture line is synchronous with the healing of the fish epidermis.

Description

Technical Field

[0001] This utility model relates to the field of marking device technology, specifically a precision breeding marking device for wild protected fish. Background Technology

[0002] Wild protected fish species, as an important component of aquatic ecosystems, play an irreplaceable role in maintaining biodiversity, ecological balance, and the sustainable development of fishery resources. However, affected by human activities, environmental pollution, overfishing, and other factors, the populations of many wild protected fish species have declined sharply, and their genetic diversity faces serious threats. Precision breeding, as a key technology for restoring wild protected fish populations and optimizing their genetic traits, requires efficient and accurate tagging of selected individuals to achieve long-term tracking and management of fish growth, reproduction, and genetic information.

[0003] Traditional fish tagging methods mainly include physical tagging, chemical tagging, and electronic tagging. Physical tagging, such as tethering and fin clipping, while relatively simple to operate, can cause trauma to fish, potentially leading to infection or affecting normal fish activity. Furthermore, the tags have poor durability, easily detaching or fading as the fish grows, resulting in the loss of tagging information. Chemical tagging, such as fluorescent dye tagging, involves introducing the tagging substance into the fish through soaking or injection. While less harmful to the fish, the tagging signal is easily affected by environmental factors, and there is a potential risk of chemical residues, posing a potential threat to fish health and the ecological environment. Electronic tags offer advantages such as precise tagging and retrievable information, but the equipment is expensive, requires specialized tools for implantation, is complex to operate, and causes significant trauma to the fish, making them unsuitable for large-scale selective tagging of wild-caught fish.

[0004] Furthermore, existing tagging devices have shortcomings in the diversified collection and intelligent management of tagging information. Traditional tagging methods can only provide single individual identification information and cannot integrate key parameters such as the fish's physiological state, growth environment, and genetic data in real time, making it difficult to meet the long-term tracking needs of multi-dimensional data on individual fish in precision breeding. At the same time, the lack of an efficient automated system for collecting and processing tagging information leads to cumbersome and inefficient data recording during the breeding process, increasing labor costs and the risk of data errors. There is an urgent need to design a precision breeding tagging device that can achieve low-damage, high-durability, and diversified information collection to meet the needs of precise individual identification, real-time data tracking, and intelligent management in the breeding of wild-protected fish, and to promote the development of breeding technology for wild-protected fish. Utility Model Content

[0005] The purpose of this invention is to provide a precise breeding and marking device for wild protected fish, aiming to solve the problems of large fish damage, poor marking durability, limited information collection, and low management efficiency of existing marking methods.

[0006] This utility model is implemented as follows:

[0007] A precision breeding and marking device for protected wild fish includes a marking body comprising two marking plates and a connecting plate, the two marking plates being connected by the connecting plate; each of the two marking plates has a biocompatible silicone suction cup on its opposite side, and multiple thread holes are evenly distributed along the edge of each marking plate for use with biodegradable sutures to sew the two marking plates onto the dorsal fin of the fish; a fluorescent coding layer is provided on the outer side of each marking plate, and a microprocessor is integrated within each marking plate, the microprocessor being connected to a micro RFID chip.

[0008] Preferably, the marking sheet is a thin sheet structure made of flexible polymer material, and the surface of the marking sheet is provided with anti-slip texture.

[0009] Preferably, the flexible polymer material is any one of polytetrafluoroethylene, silicone rubber or polyurethane, and the edge is provided with a rounded transition structure. The anti-slip texture is a grid-like, prismatic or corrugated raised structure, and is evenly distributed on the surface of the marking body.

[0010] Preferably, the micro RFID chip has a built-in unique electronic identification code and a basic fish information storage module, and the fluorescent coding layer uses at least two fluorescent materials with different excitation wavelengths to print two-dimensional coding patterns, and the surface is covered with a transparent waterproof coating.

[0011] Preferably, the transparent waterproof coating is made of polyimide or epoxy resin, which can withstand long-term immersion in water and water flow impact, and the surface of the transparent waterproof coating has anti-bioadhesion properties; the two-dimensional coding pattern of the fluorescent coding layer contains the fish species code, date of birth and breeding batch information.

[0012] Preferably, the biocompatible silicone suction cup is hemispherical and has a miniature one-way valve inside. The negative pressure adsorption force is maintained by the water pressure generated by the movement of the fish. The biocompatible silicone suction cup is distributed on the edge of the marking plate facing the dorsal fin of the fish.

[0013] Preferably, the shape of the marker body adopts a biomimetic shape that matches the contour of the base of the fish's dorsal fin, and the micro one-way valve is a silicone diaphragm structure that can automatically balance the internal and external pressure difference to maintain the suction cup's adsorption stability.

[0014] Preferably, the microprocessor is also connected to a micro-sensor array, a data receiving module, an energy storage module, and a wireless communication module. The micro-sensor array is used to measure data of the fish's living environment, the data receiving module is used to receive the data measured by the micro-sensor array, the energy storage module is used to power the entire marking device, and the wireless communication module is used to wirelessly feed the data back to the terminal.

[0015] Preferably, the micro-sensor array includes a temperature sensor, a pressure sensor, and a pH sensor, which are used to collect data on water temperature, water pressure, and pH of the fish's living environment in real time.

[0016] Preferably, the energy storage module uses an ultra-thin flexible solar cell, and the wireless communication module supports Bluetooth, NFC, or ZigBee communication protocols to transmit identification information and environmental data to an external terminal.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This invention employs a dual fixation structure combining a biocompatible silicone suction cup and biodegradable sutures. The silicone suction cup achieves non-invasive initial fixation through negative pressure adsorption, avoiding the mechanical damage associated with traditional physical marking. The biodegradable sutures use environmentally friendly materials such as polylactic acid, and their degradation cycle synchronizes with the healing of the fish's epidermis, reducing the risk of postoperative infection and improving fish welfare. The integrated micro-RFID chip and fluorescent coding layer satisfy both long-distance accurate identification by electronic devices and support visual close-range identification, adapting to various scenarios such as field monitoring and laboratory management, and overcoming the limitations of traditional single-marking methods. Compared to traditional electronic marking (such as RFID implanted tags), this device requires no specialized tools for implantation; marking can be completed through physical adsorption and simple suturing, reducing operational complexity and labor costs. The biodegradable materials and rechargeable energy storage module reduce resource consumption, meeting the economic needs of large-scale breeding of wild protected fish.

[0019] 2. This utility model enhances the stability of the marking device with the fish body by using anti-slip texture and biomimetic shape on the surface of the marking body, while reducing water flow resistance and minimizing the impact on the swimming behavior of the fish, thus achieving compatibility between the marking device and the movement of the fish body.

[0020] 3. This utility model avoids the residual pollution problem of traditional chemical markers by using biodegradable suture hole material and silicone suction cup biocompatibility design, which meets the ecological protection requirements of wild protected fish and promotes the development of green breeding technology. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a structural block diagram of the marking sheet of this utility model;

[0023] Figure 3 This is a structural block diagram of the sensor array of this utility model.

[0024] In the figure: 1. Marker body; 11. Marker sheet; 111. Fluorescent coding layer; 112. Hole; 12. Connecting sheet. Detailed implementation method:

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:

[0027] Example 1

[0028] like Figure 1 and Figure 2 As shown, a precision breeding and tagging device for protected wild fish includes a tag body 1, which comprises two tag pieces 11 and a connecting piece 12. The two tag pieces 11 are connected by the connecting piece 12. This structure of the tag body 1 facilitates its attachment to the dorsal fin of the fish. Each of the two tag pieces 11 has a biocompatible silicone suction cup on its opposite side, allowing for easy attachment of the tag piece 11 to the fish's dorsal fin. Multiple thread holes 112 are evenly distributed along the edge of each tag piece 11 for use with biodegradable sutures to sew the two tag pieces 11 to the fish's dorsal fin. A fluorescent coding layer 111 is provided on the outer side of each tag piece 11, which facilitates the acquisition of information about the corresponding fish by scanning the code. A microprocessor is integrated into each tag piece 11, and the microprocessor is connected to a micro RFID chip. The micro RFID chip acts as an identification card for the fish, facilitating the identification of the fish's information.

[0029] like Figure 1As shown, the marker 11 is a thin sheet structure made of flexible polymer material. This type of marker 11 is lightweight and will not place a significant burden on the fish. The surface of the marker 11 is provided with anti-slip texture, which increases the friction between the marker 11 and the fish's dorsal fin. The flexible polymer material is one of polytetrafluoroethylene, silicone rubber, or polyurethane, and this structure gives the marker 11 good corrosion resistance. The edges are rounded to prevent scratching the fish. The anti-slip texture is a grid-like, prismatic, or corrugated raised structure, evenly distributed on the surface of the marker body 1.

[0030] like Figure 2 As shown, the micro RFID chip incorporates a unique electronic identification code and a basic fish information storage module, facilitating accurate identification of the fish's basic information. The fluorescent coding layer 111 uses at least two fluorescent materials with different excitation wavelengths to print a two-dimensional coding pattern, allowing for easy access to fish information via scanning. The surface is covered with a transparent waterproof coating to prevent water erosion of the fluorescent coding layer 111. This transparent waterproof coating is made of polyimide or epoxy resin, capable of withstanding long-term immersion in water and water flow impact, and possesses anti-bioadhesion properties. The two-dimensional coding pattern of the fluorescent coding layer 111 contains the fish species code, date of birth, and breeding batch information.

[0031] like Figure 1 As shown, the biocompatible silicone suction cup is hemispherical with a miniature one-way valve inside. The negative pressure suction force is maintained by the water pressure generated by the fish's movement. The biocompatible silicone suction cups are distributed along the edge of the marker plate 11 facing the fish's dorsal fin. The marker body 1 has a biomimetic shape that matches the contour of the base of the fish's dorsal fin, and the miniature one-way valve is a silicone diaphragm structure that can automatically balance the internal and external pressure difference to maintain the suction cup's adsorption stability.

[0032] Example 2

[0033] like Figure 1 and Figure 2As shown, a precision breeding and tagging device for protected wild fish includes a tag body 1, which comprises two tag pieces 11 and a connecting piece 12. The two tag pieces 11 are connected by the connecting piece 12. This structure of the tag body 1 facilitates its attachment to the dorsal fin of the fish. Each of the two tag pieces 11 has a biocompatible silicone suction cup on its opposite side, allowing for easy attachment of the tag piece 11 to the fish's dorsal fin. Multiple thread holes 112 are evenly distributed along the edge of each tag piece 11 for use with biodegradable sutures to sew the two tag pieces 11 to the fish's dorsal fin. A fluorescent coding layer 111 is provided on the outer side of each tag piece 11, which facilitates the acquisition of information about the corresponding fish by scanning the code. A microprocessor is integrated into each tag piece 11, and the microprocessor is connected to a micro RFID chip. The micro RFID chip acts as an identification card for the fish, facilitating the identification of the fish's information.

[0034] like Figure 1 As shown, the marker 11 is a thin sheet structure made of flexible polymer material. This type of marker 11 is lightweight and will not place a significant burden on the fish. The surface of the marker 11 is provided with anti-slip texture, which increases the friction between the marker 11 and the fish's dorsal fin. The flexible polymer material is one of polytetrafluoroethylene, silicone rubber, or polyurethane, and this structure gives the marker 11 good corrosion resistance. The edges are rounded to prevent scratching the fish. The anti-slip texture is a grid-like, prismatic, or corrugated raised structure, evenly distributed on the surface of the marker body 1.

[0035] like Figure 2 As shown, the micro RFID chip incorporates a unique electronic identification code and a basic fish information storage module, facilitating accurate identification of the fish's basic information. The fluorescent coding layer 111 uses at least two fluorescent materials with different excitation wavelengths to print a two-dimensional coding pattern, allowing for easy access to fish information via scanning. The surface is covered with a transparent waterproof coating to prevent water erosion of the fluorescent coding layer 111. This transparent waterproof coating is made of polyimide or epoxy resin, capable of withstanding long-term immersion in water and water flow impact, and possesses anti-bioadhesion properties. The two-dimensional coding pattern of the fluorescent coding layer 111 contains the fish species code, date of birth, and breeding batch information.

[0036] like Figure 1 As shown, the biocompatible silicone suction cup is hemispherical with a miniature one-way valve inside. The negative pressure suction force is maintained by the water pressure generated by the fish's movement. The biocompatible silicone suction cups are distributed along the edge of the marker plate 11 facing the fish's dorsal fin. The marker body 1 has a biomimetic shape that matches the contour of the base of the fish's dorsal fin, and the miniature one-way valve is a silicone diaphragm structure that can automatically balance the internal and external pressure difference to maintain the suction cup's adsorption stability.

[0037] like Figure 2 As shown, the microprocessor is also connected to a micro-sensor array, a data receiving module, an energy storage module, and a wireless communication module. The micro-sensor array is used to measure data of the fish's living environment, the data receiving module is used to receive the data measured by the micro-sensor array, the energy storage module is used to power the entire tagging device, and the wireless communication module is used to wirelessly feed the data back to the terminal.

[0038] like Figure 3 As shown, the miniature sensor array includes a temperature sensor, a pressure sensor, and a pH sensor, which are used to collect data on water temperature, water pressure, and pH of the fish's living environment in real time.

[0039] like Figure 2 As shown, the energy storage module uses ultra-thin flexible solar cells, and the wireless communication module supports Bluetooth, NFC, or ZigBee communication protocols to transmit identification information and environmental data to external terminals.

[0040] Working principle: The biocompatible silicone suction cups adhere to the fish's dorsal fin through negative pressure adsorption. The water pressure generated by the fish's movement squeezes the suction cups, expelling air through a built-in micro one-way valve, thus creating negative pressure adsorption (adsorption force of a single suction cup ≥ 5g / cm²). 2 The one-way valve opens at a pressure of 5-10 kPa, automatically balancing the internal and external pressure differences to maintain stable suction and prevent detachment due to water flow impact. Biodegradable sutures (PLGA material, 0.1-0.3 mm diameter) pass through suture holes 112 (0.5-1.0 mm diameter, 5-10 mm spacing) on ​​the edge of the marker patch 11 to suture the superficial layer of the fish's epidermis. The biodegradable suture (material: polylactic acid) has a degradation period of 14-21 days, synchronized with the fish's epidermal healing cycle. After healing, the biodegradable suture naturally degrades, avoiding long-term mechanical damage associated with traditional physical marking. The marker patch 11 has an anti-slip texture (0.1-0.3 mm raised, 5-10 textures / cm²). 2This further enhances the friction with the fish's body surface, ensuring a stable fit during the fish's movement. Simultaneously, a micro-RFID chip integrated into the tag body 1 stores a unique electronic identification code and basic fish information (species, age, genetic code, etc.). When an external RFID reader approaches, the chip gains energy through electromagnetic induction and activates, transmitting the stored data wirelessly to the terminal, achieving non-contact, long-distance, accurate identification (effective identification distance 10-50 meters). The fluorescent coding layer 111 on the surface of the tag body 1 uses two or more fluorescent materials with different excitation wavelengths (e.g., 450nm, 550nm) to print two-dimensional coding patterns containing information such as fish species code, date of birth, and breeding batch. When illuminated by a portable fluorescence scanner, the fluorescent materials of different wavelengths are excited, generating identifiable color-coded images, supporting rapid, visual verification at close range, suitable for scenarios without electronic devices, such as field monitoring. A miniature sensor array (temperature, pressure, pH, and dissolved oxygen sensors) collects real-time data on the fish's living environment: the temperature sensor has a detection accuracy of ±0.5℃, monitoring water temperature changes; the pressure sensor has a detection accuracy of ±1kPa, acquiring water depth and pressure data; the pH sensor has a detection accuracy of ±0.1, monitoring water acidity and alkalinity. The sensors collect data at a frequency of 1-5 times / minute, supporting a sleep mode to reduce power consumption and adapt to long-term underwater operation. The collected data is integrated by a microprocessor and transmitted to an external terminal via a wireless communication module: short-range transmission (Bluetooth / NFC): suitable for short-range data reading (10-50 meters), such as on-site data viewing with handheld devices; long-range transmission (LoRa / 4G): supports data transmission within a range of 1-5 kilometers, meeting the needs of long-term monitoring in large-scale water areas. The energy storage module is an ultra-thin flexible solar cell, and the energy management chip automatically adjusts power consumption, triggering a sleep mode when the battery is low, ensuring continuous operation of the device for ≥72 hours (in normal data acquisition mode). The marker 11 is made of flexible polymer material (PTFE / silicone rubber), 0.3-0.5 mm thick, with rounded edges (bending radius ≤ 5 mm), conforming to the curved contours of the fish's dorsal fin base or lateral line area, reducing water flow resistance during swimming (drag coefficient reduced by more than 30%). Anti-slip textures (grid-like / prismatic protrusions) physically engage with the fish's body surface mucus, further enhancing adhesion stability. The fluorescent coding layer 111 is covered with a 5-10 μm thick polyimide waterproof coating, resistant to long-term immersion in water and impact from sediment, and its anti-bioadhesion properties prevent algae and microorganisms from affecting recognition effectiveness. The biocompatible silicone suction cup material is medical-grade silicone (Shore A 20-30 degrees), with an anti-aging performance of over 500 hours, ensuring stable operation of the device in natural waters for 6-12 months. After receiving data, the external terminal constructs individual profiles through the breeding management system, integrating recognition information with environmental data, and analyzes fish growth rate and environmental adaptability using parameters such as water temperature and dissolved oxygen.

[0041] In summary, compared with existing technologies, this application employs a dual fixation structure combining a biocompatible silicone suction cup and a biodegradable suture. The silicone suction cup achieves non-invasive initial fixation through negative pressure adsorption, avoiding the mechanical damage associated with traditional physical marking. The biodegradable suture hole 112 uses environmentally friendly materials such as polylactic acid, and the suture degradation cycle is synchronized with the healing of the fish's epidermis, reducing the risk of postoperative infection and improving fish welfare. The integrated micro-RFID chip and fluorescent coding layer 111 satisfy both long-distance accurate identification by electronic devices and support visual close-range identification, adapting to the needs of various scenarios such as field monitoring and laboratory management, and overcoming the application limitations of traditional single marking methods. Compared with traditional electronic marking (such as RFID implanted tags), this device requires no specialized tools for implantation; marking can be completed through physical adsorption and simple suturing, reducing operational complexity and labor costs. The biodegradable materials and rechargeable energy storage module reduce resource consumption, meeting the economic needs of large-scale breeding of wild protected fish.

[0042] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A precision selection marker device for the conservation of wild fish, comprising a marker body (1), characterized in that, The marking body (1) comprises two marking sheets (11) and a connecting sheet (12), the two marking sheets (11) are connected through the connecting sheet (12); the opposite sides of the two marking sheets (11) are provided with biocompatible silica gel suction cups, the edges of the marking sheets (11) are uniformly provided with a plurality of wire holes (112) for suturing the two marking sheets (11) on the dorsal fin through the biodegradable suture threads; the outer side of the marking sheet (11) is provided with a fluorescent coding layer (111), and a microprocessor is integrated in the marking sheet (11), and the microprocessor is connected with a micro RFID chip.

2. A precision selective breeding marker device for wild conservation fish according to claim 1, characterized in that, The marking sheet (11) is a sheet structure made of flexible high polymer material, and the surface of the marking sheet (11) is provided with anti-skid texture.

3. A precision selective breeding marker device for wild conservation fish according to claim 2, characterized in that, The flexible high polymer material is any one of polytetrafluoroethylene, silicone rubber or polyurethane, and the edges are provided with a circular arc transition structure, and the anti-skid texture is a grid-shaped, prism-shaped or corrugated convex structure and is uniformly distributed on the surface of the marking body (1).

4. The precision selective breeding marker device for wild conservation fish according to claim 1, wherein, The micro RFID chip is internally provided with a unique electronic identification code and a fish basic information storage module, the fluorescent coding layer (111) is printed with a two-dimensional code pattern by using at least two different fluorescent materials with different excitation wavelengths, and the surface is covered with a transparent waterproof coating.

5. A precision selective breeding marker device for wild conservation fish according to claim 4, characterized in that, The transparent waterproof coating is made of polyimide or epoxy resin material, can resist long-term immersion and water flow impact, and has anti-bioadhesion property; the two-dimensional code pattern of the fluorescent coding layer (111) comprises fish variety code, birth date and breeding batch information.

6. The precision selective breeding marker device for wild conservation fish of claim 1, wherein, The biocompatible silica gel suction cup is semispherical and internally provided with a micro one-way valve, and the water flow pressure generated by the fish movement maintains the negative pressure adsorption force, and the biocompatible silica gel suction cup is distributed on the edge of the side of the marking sheet (11) facing the dorsal fin.

7. A precision selective breeding marker device for wild conservation fish according to claim 6, characterized in that, The shape of the marking body (1) adopts a bionic shape suitable for the profile of the base of the dorsal fin, and the micro one-way valve is a silica gel diaphragm type structure, which can automatically balance the internal and external pressure difference to maintain the adsorption stability of the suction cup.

8. The precision selective breeding marker device for wild protected fish according to any one of claims 1-7, characterized in that, The microprocessor is further connected with a micro sensor array, a data receiving module, an energy storage module and a wireless communication module, the micro sensor array is used for measuring the data of the fish living environment, the data receiving module is used for receiving the data measured by the micro sensor array, the energy storage module is used for powering the whole marking device, and the wireless communication module is used for feeding back the data to the terminal in a wireless mode.

9. A precision selective breeding marker device for wild conservation fish according to claim 8, characterized in that, The micro sensor array comprises a temperature sensor, a pressure sensor and a pH value sensor, which are respectively used for collecting the water temperature, water pressure and water pH value data of the fish living environment in real time.

10. The precision selective breeding marker device for wild conservation fish of claim 8, wherein, The energy storage module adopts an ultrathin flexible solar cell, and the wireless communication module supports Bluetooth, NFC or ZigBee communication protocol, which is used for transmitting the identification information and environmental data to the external terminal.

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