CN202396316U - Fishing tackle for catching freshwater shrimp seeds - Google Patents
Fishing tackle for catching freshwater shrimp seeds Download PDFInfo
- Publication number
- CN202396316U CN202396316U CN2012200049620U CN201220004962U CN202396316U CN 202396316 U CN202396316 U CN 202396316U CN 2012200049620 U CN2012200049620 U CN 2012200049620U CN 201220004962 U CN201220004962 U CN 201220004962U CN 202396316 U CN202396316 U CN 202396316U
- Authority
- CN
- China
- Prior art keywords
- net
- catching
- freshwater shrimp
- net cage
- cage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a fishing tackle for catching freshwater shrimp seeds, comprising a net cage, a catching net and a barrier net, wherein the net cage is composed of a cage frame and net clothes, an opening is disposed at one end of the net cage, and the catching net and the barrier net are respectively disposed at the two opposite sides of the opening of the net cage. The fishing tackle for catching freshwater shrimp seeds disclosed by the utility model combines the catching net, the barrier net and the net cage skillfully, is simple in structure and low in cost and realizes effective combination of the traditional catching, barrier and throwing methods when in use; operation is implemented in water in the entire catching process and no harm is caused to targets, so the mortality of targets is effectively reduced and catching for the whole pond can be achieved at a time; the fishing tackle for catching freshwater shrimp seeds is high in catching efficiency, low in labor intensity and favorable for large-scale catching.
Description
Technical field
The utility model relates to a kind of fishery and fishes for instrument, relates in particular to the fishing gear of a kind of freshwater shrimp seed.
Background technology
Japanese macrobrachium supernbum (Macrobrachium nipponensis), the popular name freshwater shrimp is the important freshwater aquiculture shrimps of China.National fishery economic statistical communique data show in 2010, China's freshwater shrimp gross yield was 22.56 ten thousand tons in 2010, annual value of production reaches more than 70 hundred million yuan.Along with the continuous expansion of the scale of shrimp culture, the scale that improved seeds are bred is also imperative.Extensive numerous seedling except require germplasm good, cultivate the abundant natural bait, the shrimp seedling of forming is lossless fishes for also is the key technology that improves shrimp seedling output and quality.At present traditional shrimp seedling method of fishing for has: (1) lamp light trapping, have the become characteristic of light of cluster according to the freshwater shrimp seed, and carry out lamp light trapping, the triangle write by hand net that adopts 30 orders～40 mesh sieve thin,tough silk to be made into is copied at pool side repeatedly and is caught.This method is time-consuming, and amount of fishing is little, and efficient is low; (2) drawn in the net to catch, drawn the shrimp seedling with the densely covered net of fishing seedling.This method, used labour intensity is big, and recruitment is many, and the shrimp seedling is prone to paste net and dead, and the survival rate of shrimp seedling is low; (3) drawn in the net to catch behind the water pump pump drainage water, existed time-consumingly equally, hindered seedling easily, the survival rate problem of lower.
Also occurred the fishing gear behind some improveds on the market, as in the Chinese utility model patent of bulletin on August 24th, 2011, number of patent application is 201120051258.6; Disclosed a kind of portable prelarva catching device, comprised the preceding string bag, rack, the rear side of the described preceding string bag is provided with one and leads lymphogranuloma inguinale; This is led lymphogranuloma inguinale and is connected with a net cage; This net cage comprises the net cage frame and net sheet of floating material, the loop configuration of described rack for constituting by cross tube, sheer pole and left and right sides vertical rod, and this net cage is set up in the openend of the preceding string bag; Be respectively equipped with a wing lattice in the vertical rod of the left and right sides, said wing lattice links to each other with a hand lever respectively.During use, this catching device integral body is put into water, the wing lattice that the operator hauls both sides through hand lever respectively drives catching device and travels forward, and in moving process, increases as required or reduces the angle between two wing lattices, reaches the scope of fishing for that increases or reduce single net.In the process that the pulling net cage moves forward, prelarva is introduced into the preceding string bag, because whole catching device is also moving forward; Prelarva enters into net cage under the guide effect of the string bag; The disclosed technical scheme of this utility model causes it effectively not fish for owing to the area that is arranged at the wing lattice in the vertical rod of the left and right sides is very little, and the string bag is fished for prelarva before only relying on; The escapement ratio of prelarva is higher; Can not realize once accomplishing the work of fishing for of whole pond prelarva or shrimp seedling, need be through repeatedly fishing for inefficiency.
Therefore, be necessary to design the fishing gear that a kind of catching rate is high, survival rate is high.
The utility model content
The problem that the utility model solves provides the freshwater shrimp seed catching fishing gear that a kind of catching rate is high, survival rate is high.
For addressing the above problem; The utility model has disclosed the fishing gear of a kind of freshwater shrimp seed; Comprise net cage, catch up with net, block; Said net cage is made up of tank tower and etting, and an end of said net cage is provided with opening, two sides that the said opening of catching up with net and said block to be arranged at said net cage respectively is relative.
Preferably, said length of catching up with net is wide 1.3 times to 1.8 times in pond, and the said height of catching up with net is 1.3 times to 2 times of the depth of water.
Preferably, the said upper edge of net of catching up with is provided with float, and the said lower edge of net of catching up with is provided with sinker.
Preferably, said float is evenly distributed along the said upper edge of net of catching up with, and said sinker is evenly distributed along the said lower edge of net of catching up with.
Preferably, said tank tower is barricaded as boxed-section shape by buoyancy material, and said etting is fixed in the cavity of said tank tower.
Preferably, said etting adopts knotless netting.
Preferably, the length of said net cage is 5m～6m, and width is 1.5m～2.0m, highly is 2m.
Compared with prior art, the utlity model has following advantage: the freshwater shrimp seed catching fishing gear that the utility model disclosed, ingeniously combined to catch up with net, block and net cage, simple in structure, with low cost.In the use; Can traditional driving and blocking, a catching method effectively be combined; Wholely fish for process band water operation, fish for the object not damaged, not only effectively reduce the lethality of fishing for object, and can realize that disposable full pond fishes for; Catching rate is high, labour intensity is low, is beneficial to scale and fishes for.
Description of drawings
Fig. 1 is the structural representation of fishing gear in the utility model preferred embodiment.
Wherein: 1, net cage; 11, opening; 2, etting; 3, tank tower; 4, catch up with net; 5, float; 6, sinker; 7, block.
Embodiment
Below in conjunction with accompanying drawing the technical scheme among the utility model embodiment is described in detail.
As shown in Figure 1, the utility model has disclosed a kind of fishing gear, comprises the net cage 1 that is provided with at least one opening 11, and net cage 1 is used to adorn the shrimp seedling of fishing for up.The fishing gear that the utility model disclosed also comprises being used to catch up with fishes for catching up with net 4, preventing to fish for the block 7 that object is escaped of object, catches up with net 4 and block 7 to be arranged at two relative sides of opening 11 of net cage 1 respectively.Particularly, catching up with net 4 length is wide 1.3 times to 1.8 times in pond, so that operating personnel in use can be with catching up with net 4 to cover whole pond, thereby making once to fish for to obtain maximum amounts of fishing; Catching up with net 4 height is 1.3 times to 2 times of the depth of water, leaves not only handled easily personnel's the use of more altitude margin, and can prevent to fish for the object escape of in the process of fishing for, jumping.
Further, catch up with the upper edge of net 4 to be provided with float 5, it is the foam ball float of 10～12cm that float 5 adopts diameter, to prevent the catching up with upper edge of net 4 to sink; Catch up with the lower edge of net 4 to be provided with sinker 6, sinker 6 adopts iron bar or iron chains, to prevent to catch up with the lower edge come-up of net 4.Float 5 is evenly distributed according to certain clearance with sinker 6, to prevent that fishing for object escapes from the slit.
Net cage 1 is made up of tank tower 3 and etting 2, and tank tower 3 is barricaded as boxed-section shape by buoyancy material, and in the utility model preferred embodiment, tank tower 3 is built into the box shape of cuboid by four cross bars and four montants; Etting 2 uses knotted nettings or knotless netting to make and forms, and utilizes rope etc. to be fixed in four montants or the montant of tank tower 3, and etting 2 is placed in the cavity of net cage 1.In the utility model preferred embodiment, in order to prevent to fish for the damage of object, etting 2 adopts knotless netting to make and forms.Freshwater shrimp is in mating season in spring, and secondary oogenesis phenomenon is very general, and therefore, in the freshwater shrimp reproductive process, there is the shrimp seedling of many batches of outputs in Miao Chizhong, and specification is uneven.In this case, the etting that should select the knotless netting of 2～3mm size mesh to process, adopt catch up with, open combine draw mode slowly, small dimension shrimp seedling is swum out of is caught up with net 4 or net cage 1, continued growth; And the shrimp seedling specification of staying in the net cage 1 is big, neat.Simultaneously, the shrimp seedling of the net cage 1 that drives in recovers physical efficiency through supporting temporarily, is beneficial to transportation and puts in a suitable place to breed.Therefore, in actual the use, can be according to the correct net sheet of selecting suitable big or small mesh of the sized of fishing for object, stay for a short time greatly to catch, and then fish in batches, promote growth of seedling, improve survival rate, increase pond seedling output.
Fishing gear is used to build the preferred mao bamboon of buoyancy material or the waddy of tank tower 3, so that can float on the surface in use.
In the utility model preferred embodiment, the length of net cage 1 is 5m～6m, and width is 1.5m～2.0m, highly is 2m, can be placed on and carries out in the net cage 1 temporarily supporting catching the labor object, makes it recover physical efficiency, and vigor is stronger, is beneficial to transportation and puts in a suitable place to breed.
When the use freshwater shrimp seed catching fishing gear that the utility model disclosed is fished for, may further comprise the steps:
S1: net cage 1 is placed in the pond, and make the one side that is provided with block 7 near pool side 8;
S2: the free end of holding block 7;
S3: hold the free end of catching up with net 4;
S4: hold the upper edge of catching up with net 4, pull out the pond water surface to this upper edge, catch up with the lower edge of net 4 pasting at the bottom of the pond;
S5: slowly drag around along the pond and catch up with net 4, will fish for object and catch up with in the net cage 1.
S6: fish for and carry out supporting temporarily after object is caught up with net cage 1, or it is defeated to play water transport.
In step S1, be buoyancy material such as mao bamboon or waddy because rack 3 adopts, can net cage 1 be floated in the water, make net cage 1 slowly drag block 7 and move along with operating personnel; At the bottom of also can rack 3 insertion ponds, make net cage 1 fixing with net cage 1.
In step S2, when operating personnel hold the free end of block 7, note making the lower edge of block 7 to be close at the bottom of the pond, can more effectively play preventing to fish for the effect that escape takes place object.
In step S3, arrange operating personnel to hold the free end of catching up with net 4 at bank, can prevent to fish for object and escape from the free end of catching up with net 4.
The fishing gear of the freshwater shrimp seed that the utility model disclosed has ingeniously combined to catch up with net, block and net cage, catches up with the coverage rate of net enough big, can carry out full pond and fish for, and is simple in structure, with low cost.During use; Traditional driving and blocking, a catching method are effectively combined, and the whole process band water of fishing for is operated, is fished for the object not damaged, not only effectively reduces the lethality of fishing for object; And can realize that disposable full pond fishes for; Once catch most rate and can reach more than 70%, catching rate is high, labour intensity is low, is beneficial to scale and fishes for.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. the fishing gear of a freshwater shrimp seed; Comprise net cage (1), catch up with net (4), block (7); Said net cage (1) is made up of tank tower (3) and etting (2); One end of said net cage (1) is provided with opening (11), it is characterized in that: two relative sides of the said opening (11) of catching up with net (4) and said block (7) to be arranged at said net cage (1) respectively.
2. according to the fishing gear of the said freshwater shrimp seed of claim 1, it is characterized in that: said length of catching up with net (4) is wide 1.3 times to 1.8 times in pond, and the said height of catching up with net (4) is 1.3 times to 2 times of the depth of water.
3. according to the fishing gear of claim 1 or 2 said freshwater shrimp seeds, it is characterized in that: the said upper edge of net (4) of catching up with is provided with float (5), and the said lower edge of net (4) of catching up with is provided with sinker (6).
4. according to the fishing gear of the said freshwater shrimp seed of claim 3, it is characterized in that: said float (5) is evenly distributed along the said upper edge of net (4) of catching up with, and said sinker (6) is evenly distributed along the said lower edge of net (4) of catching up with.
5. according to the fishing gear of the said freshwater shrimp seed of claim 1, it is characterized in that: said tank tower (3) is barricaded as boxed-section shape by buoyancy material, and said etting (2) is fixed in the cavity of said tank tower (3).
6. according to the fishing gear of the said freshwater shrimp seed of claim 5, it is characterized in that: said etting (2) adopts knotless netting.
7. according to the fishing gear of the said freshwater shrimp seed of the arbitrary claim of claim 5 to 6, it is characterized in that: the length of said net cage (1) is 5m～6m, and width is 1.5m～2.0m, highly is 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200049620U CN202396316U (en) | 2012-01-06 | 2012-01-06 | Fishing tackle for catching freshwater shrimp seeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200049620U CN202396316U (en) | 2012-01-06 | 2012-01-06 | Fishing tackle for catching freshwater shrimp seeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202396316U true CN202396316U (en) | 2012-08-29 |
Family
ID=46694006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200049620U Expired - Fee Related CN202396316U (en) | 2012-01-06 | 2012-01-06 | Fishing tackle for catching freshwater shrimp seeds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202396316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141450A (en) * | 2013-03-04 | 2013-06-12 | 中国水产科学研究院东海水产研究所 | Blocking type catching method for juvenile Eriocheir sinensis |
| CN103782971A (en) * | 2012-11-01 | 2014-05-14 | 南京市水产科学研究所 | Pelteobagrus fulvidraco capturing method |
| CN111642469A (en) * | 2020-06-04 | 2020-09-11 | 中国水产科学研究院东海水产研究所 | Bag-shaped net and method for acquiring escape rate of caught object from trawl mesh by using same |
-
2012
- 2012-01-06 CN CN2012200049620U patent/CN202396316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782971A (en) * | 2012-11-01 | 2014-05-14 | 南京市水产科学研究所 | Pelteobagrus fulvidraco capturing method |
| CN103141450A (en) * | 2013-03-04 | 2013-06-12 | 中国水产科学研究院东海水产研究所 | Blocking type catching method for juvenile Eriocheir sinensis |
| CN111642469A (en) * | 2020-06-04 | 2020-09-11 | 中国水产科学研究院东海水产研究所 | Bag-shaped net and method for acquiring escape rate of caught object from trawl mesh by using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102511453A (en) | Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool | |
| CN102308770B (en) | Breeding method for new marine backcrossed scallop variety | |
| CN102301968A (en) | Method for cultivating new variety of hybridized and backcrossed Argopecten purpuratus | |
| CN207252565U (en) | A kind of block device for reducing fish and killing and devouring | |
| CN103210852B (en) | Method for obviously improving survival rate of exopalaemon carinicauda in artificial breeding process | |
| CN101720694A (en) | Device and method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages | |
| CN202396316U (en) | Fishing tackle for catching freshwater shrimp seeds | |
| CN101647412A (en) | Method for breeding tridentiger trigonocephalus by artificial induced spawning and insemination | |
| CN102742556B (en) | Pond fishing tool and fishing method for freshwater shrimp seeds | |
| CN202618028U (en) | Penaeus vannamei hatching apparatus | |
| CN202009633U (en) | Fishing equipment | |
| CN103814853B (en) | A kind of selection of import prawn natural selection | |
| CN207519463U (en) | A kind of high density use in fish breeding plays device for catching | |
| CN2865277Y (en) | Apparatus for aquatic ecological culturing and fishing | |
| CN105393994A (en) | House-type fish trapping fishing gear | |
| CN201742824U (en) | High efficiency fishing device | |
| CN202232608U (en) | Pool fishing tool for freshwater shrimp seeds | |
| CN201690909U (en) | Large net | |
| CN203233918U (en) | Device for effectively fishing fries | |
| CN209931266U (en) | Mysidacea fishing device | |
| CN208875123U (en) | A kind of Patinopecten yessoensis seed breeding device | |
| CN104904643B (en) | A kind of device of fish culture on open lake | |
| CN109042412B (en) | Patinopecten yessoensis offspring seed breeding device and patinopecten yessoensis offspring seed breeding method | |
| CN209251404U (en) | A kind of fish culture cage being provided with fishing rack | |
| CN202276724U (en) | Novel cofferdam sea cucumber culture device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20160106 |