CN104982351A - Hairtail parent and roe collection apparatus - Google Patents
Hairtail parent and roe collection apparatus Download PDFInfo
- Publication number
- CN104982351A CN104982351A CN201510295057.3A CN201510295057A CN104982351A CN 104982351 A CN104982351 A CN 104982351A CN 201510295057 A CN201510295057 A CN 201510295057A CN 104982351 A CN104982351 A CN 104982351A
- Authority
- CN
- China
- Prior art keywords
- mesh
- cylinder mould
- hairtail
- netted interlayer
- fish
- 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.)
- Granted
Links
- 241001125843 Trichiuridae Species 0.000 title claims abstract description 66
- 239000011229 interlayer Substances 0.000 claims abstract description 70
- 229910003460 diamond Inorganic materials 0.000 claims description 9
- 239000010432 diamond Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001934 delay Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 231100000225 lethality Toxicity 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The invention discloses a hairtail parent and roe collection apparatus, which aims to provide a hairtail parent and roe collection apparatus capable of collecting roes of hairtail parent, and comprises a cylinder-shaped mesh cage, wherein an opening is opened on an upper end of the mesh cage and a low end of the mesh cage is sealed; a mesh-shaped interlayer is set in the middle of the mesh cage; the mesh sieve size of the mesh cage above the mesh-shaped interlayer is larger than the mesh sieve size of the mesh cage below the mesh-shaped interlayer; a mesh cage inner cavity above the mesh-shaped interlayer is used to form a hairtail collecting cavity; and a mesh cage inner cavity below the mesh-shaped interlayer is used to form a roe collecting cavity.
Description
Technical field
The present invention relates to one and fish for device, being specifically related to a kind of hairtail parent for fishing for hairtail and fish-egg gathering unit.
Background technology
Hairtail, be a kind of cluster in the warm warm nature kind of near-bottom, distributed more widely, catch is higher, is important one of the tuna fisheries and fishery harvesting object in East China Sea region; Hairtail is also traditional fished species that uniquely can form larger fishing season in the East Sea " four large fishery " simultaneously, and in fish production, occupy critical role, be the pillar product of East Sea fishery.The ups and downs with fish resource are related to the stable of East China Sea region Marine Fishing Industry to a certain extent.
In recent years, because continuous print high strength is fished for, cause hairtail stock number to decline, destroy the balanced capacity of hairtail its population.In view of the critical role of hairtail in the marine fishery production of East China Sea region, the propagating artificially of hairtail becomes the main path solving a hairtail stock number decline difficult problem.Propagate artificially hairtail in the process of breeding, hairtail parent is mainly obtained by fishery fishing; But catching net of the prior art does not have corresponding fish-egg gathering unit, and play at netting gear the excessive extruding force that hairtail parent in network process is subject to, hairtail parent lethality not only can be made higher, and the fertilized egg of hairtail parent is run off because being squeezed, cannot gather fish-egg, this also brings certain difficulty for propagating artificially of hairtail.
Summary of the invention
The first object of the present invention is the problem to overcome catching net of the prior art without corresponding fish-egg gathering unit, provides a kind of hairtail parent and the fish-egg gathering unit that can collect the fish-egg of hairtail parent.
When second object of the present invention on the first object basis is to overcome catching net of the prior art in hauling, hairtail pressurized is large, not only makes hairtail parent lethality higher, and the problem that the fertilized egg of hairtail parent is run off because being squeezed; There is provided a kind of can while not increasing fishing boat towrope resistance, effective improvement because of catching net hairtail pressurized when hauling large, and the hairtail parent of the problem that the hairtail parent lethality caused fertilized egg that is higher and hairtail parent is run off because being squeezed and fish-egg gathering unit.
Technical scheme of the present invention is:
A kind of hairtail parent and fish-egg gathering unit, comprise columnar cylinder mould, the upper end open of cylinder mould, lower end closed, netted interlayer is provided with in the middle part of described cylinder mould, the size of mesh of the cylinder mould above netted interlayer is greater than the size of mesh of the cylinder mould below netted interlayer, and the cylinder mould inner chamber above netted interlayer forms hairtail collecting chamber, and the cylinder mould inner chamber below netted interlayer forms fish-egg collecting chamber.
The size of mesh of the cylinder mould below the netted interlayer of this programme is less, and the cylinder mould inner chamber below netted interlayer can form fish-egg collecting chamber; The fish-egg of extruding place in hairtail parent can be collected by fish-egg collecting chamber in network process.
As preferably, the mesh of cylinder mould assumes diamond in shape, and the size of mesh of the cylinder mould above netted interlayer is 35x35 millimeter, and the size of mesh of the cylinder mould below netted interlayer is 0.5x0.5 millimeter.
As preferably, netted interlayer is made up of fishing net, and the funnel-form that netted interlayer is cross-sectional area to be reduced from top to bottom gradually; The slow extruding of hairtail parent and fish-egg gathering unit is provided with in the middle part of the lower surface of described cylinder mould, this hairtail parent delays extruding and fish-egg gathering unit comprises the one end open be arranged on cylinder mould, the other end closes receiver, extensiblely be accommodated in inflating air pouch in receiver and gas tube, the openend of described receiver is towards netted interlayer, and described gas tube one end is connected with inflating air pouch; When after inflating air pouch inflation, inflating air pouch presents end opening, the cylindrical shape gasbag of lower end closed, and the bottom of netted interlayer is positioned at cylindrical shape gasbag.
The hairtail parent of this programme and fish-egg gathering unit are in fishing boat towing process, and inflating air pouch is accommodated in receiver, thus can increase fishing boat towrope resistance hardly in fishing boat towing process.Before hauling, by gas tube to the inflation of inflating air pouch, it is made to expand; When after inflating air pouch inflation, inflating air pouch presents end opening, the cylindrical shape gasbag of lower end closed, can store a part of seawater like this in a network process in cylindrical shape gasbag; And now the bottom of netted interlayer is positioned at cylindrical shape gasbag, the hairtail parent namely in netted interlayer is positioned at seawater, the extruding to hairtail parent when can reduce hauling so greatly, ensures the survival rate of hairtail parent and the collecting effect of fish-egg; Also can by the good Collection and conservation of cylindrical shape gasbag even if a part of fish-egg is extruded.
As preferably, cylinder mould comprises mesh cage framework, and described receiver is fixed on mesh cage framework.
As preferably, the cylinder mould lateral surface below netted interlayer is provided with a circle metallic support net.
As preferably, cylinder mould comprises mesh cage framework and is fixed on fishing net body on mesh cage framework, the size of mesh of described netted interlayer is less than the size of mesh of the cylinder mould above netted interlayer, cylinder mould above described netted interlayer is provided with the mesh adjusting device of the mesh size for regulating cylinder mould, this mesh adjusting device comprises some airbag apparatus, and the airbag apparatus netting twine being positioned at each mesh edge of the fishing net body above netted interlayer is equipped with described at least one, described airbag apparatus comprises the mounting pipe be set on netting twine and the annular air-pocket bag be set in outside mounting pipe, and annular air-pocket bag is fixedly connected in mounting pipe, all annular air-pocket bags of described mesh adjusting device are interconnected by tube connector, have at least an annular air-pocket bag to be provided with in each annular air-pocket bag and fill exhaust nozzle.
Because the mesh size of current netting gear is all specific standard usually, thus when fishing for the hairtail of different size specification, need the fishing net adopting different mesh size; This is for the fishing operation changed at any time, needs often to change netting gear and not only uses inconvenience, too increase the quantity of netting gear, cost.Hairtail parent and the fish-egg gathering unit of this programme can effectively address this problem.Size of mesh due to netted interlayer is less than the size of mesh of the cylinder mould above netted interlayer, and the cylinder mould simultaneously above netted interlayer is provided with the mesh adjusting device of the mesh size for regulating cylinder mould; By the gas in inflation in annular air-pocket bag or release annular air-pocket bag, the object of the mesh size of the cylinder mould regulated above netted interlayer can be reached like this; Like this when catching the hairtail of different size specification, netting gear can be changed.
As preferably, the mesh of netted interlayer assumes diamond in shape, and the size of mesh of netted interlayer is 10x10 millimeter, and the mesh of described fishing net body assumes diamond in shape, and the size of mesh of the fishing net body above netted interlayer is 40x40 millimeter.
As preferably, annular air-pocket bag is cylindric.
As preferably, be provided with the net of upper and lower both ends open in the upper end open of cylinder mould, the upper end open edge conjunction of described net upper port edge and cylinder mould, the cross-sectional area of net reduces from top to bottom gradually.This programme structure effectively can avoid the problem that in cylinder mould, hairtail escapes.
The invention has the beneficial effects as follows: the fish-egg that hairtail parent can not only be collected; And can while not increasing fishing boat towrope resistance, effectively improve because catching net hairtail pressurized when hauling is large, and the problem that the hairtail parent lethality caused fertilized egg that is higher and hairtail parent is run off because being squeezed.
Accompanying drawing explanation
Fig. 1 is the hairtail parent of embodiments of the invention 1 and a kind of structural representation of fish-egg gathering unit.
Fig. 2 is the hairtail parent of embodiments of the invention 2 and a kind of structural representation of fish-egg gathering unit.
Fig. 3 is a kind of structural representation of hairtail parent after the inflating air pouch inflation of embodiments of the invention 2 and fish-egg gathering unit.
Fig. 4 is a kind of partial structurtes schematic diagram of the fishing net body of embodiments of the invention 3.
The partial enlarged drawing at Fig. 5 to be Fig. 4 be middle A place.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
Embodiment 1, as shown in Figure 1, a kind of hairtail parent and fish-egg gathering unit comprise columnar cylinder mould 1.The upper end open of cylinder mould, lower end closed.The upper end open place of cylinder mould is provided with pull rope 5.Cylinder mould comprises mesh cage framework and is fixed on fishing net body 2 on mesh cage framework.Netted interlayer 3 is provided with in the middle part of cylinder mould.The size of mesh of the cylinder mould above netted interlayer is greater than the size of mesh of the cylinder mould below netted interlayer.In the present embodiment, the mesh of cylinder mould is the mesh of fishing net body.The mesh of cylinder mould assumes diamond in shape, and namely the mesh of fishing net body assumes diamond in shape.The size of mesh of the cylinder mould above netted interlayer is 35x35 millimeter.The size of mesh of the cylinder mould below netted interlayer is 0.5x0.5 millimeter.Cylinder mould inner chamber above netted interlayer forms hairtail collecting chamber 1a.Cylinder mould inner chamber below netted interlayer forms fish-egg collecting chamber 1b.The net 4 of upper and lower both ends open is provided with in the upper end open of cylinder mould.The upper end open edge conjunction of net upper port edge and cylinder mould, the cross-sectional area of net reduces from top to bottom gradually.
Embodiment 2, all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Figure 2 and Figure 3, netted interlayer 3 is made up of fishing net, and the funnel-form that netted interlayer is cross-sectional area to be reduced from top to bottom gradually.The slow extruding of hairtail parent and fish-egg gathering unit 6 is provided with in the middle part of the lower surface of cylinder mould.This hairtail parent delays extruding and fish-egg gathering unit comprises the one end open be arranged on cylinder mould, and the other end closes receiver 61, is extensiblely accommodated in inflating air pouch 63 in receiver and gas tube 62.Receiver is fixed on mesh cage framework.The openend of receiver is towards netted interlayer.Gas tube one end is connected with inflating air pouch, and the other end up extends on pull rope along cylinder mould outer surface, and up extends along pull rope.Gas tube is connected with cylinder mould lateral surface and pull rope by band.Cylinder mould lateral surface below netted interlayer is provided with a circle metallic support net.
As shown in Figure 3, when after inflating air pouch 63 inflation, inflating air pouch presents end opening, the cylindrical shape gasbag of lower end closed, and the bottom of netted interlayer 3 is positioned at cylindrical shape gasbag.
Embodiment 3, all the other structures of the present embodiment are with reference to embodiment 1 or embodiment 2, and its difference is:
The size of mesh of netted interlayer 3 is less than the size of mesh of the cylinder mould above netted interlayer; In the present embodiment, the mesh of netted interlayer assumes diamond in shape.The size of mesh of netted interlayer is 10x10 millimeter.The size of mesh of the fishing net body 2 above netted interlayer is 40x40 millimeter.
As shown in Figure 4, Figure 5, the cylinder mould above netted interlayer is provided with the mesh adjusting device of the mesh size for regulating cylinder mould.This mesh adjusting device comprises some airbag apparatus 7, and the netting twine 22 being positioned at each mesh 21 edge of the fishing net body 2 above netted interlayer is equipped with the airbag apparatus 7 described at least one.Airbag apparatus comprises the mounting pipe 73 be set on netting twine and the annular air-pocket bag 71 be set in outside mounting pipe, and annular air-pocket bag is fixedly connected in mounting pipe.All annular air-pocket bags of mesh adjusting device are interconnected by tube connector.Have at least an annular air-pocket bag to be provided with in each annular air-pocket bag and fill exhaust nozzle.Annular air-pocket bag is cylindric.Be provided with balancing weight 72 in each annular air-pocket bag, and the gravity of balancing weight be more than or equal to annular air-pocket bag be full of air after buoyancy.(annular air-pocket bag is full of air and refers to the inflation of annular air-pocket bag and expand completely)
Claims (9)
1. a hairtail parent and fish-egg gathering unit, it is characterized in that, comprise columnar cylinder mould, the upper end open of cylinder mould, lower end closed, is provided with netted interlayer in the middle part of described cylinder mould, and the size of mesh of the cylinder mould above netted interlayer is greater than the size of mesh of the cylinder mould below netted interlayer, cylinder mould inner chamber above netted interlayer forms hairtail collecting chamber, and the cylinder mould inner chamber below netted interlayer forms fish-egg collecting chamber.
2. a kind of hairtail parent according to claim 1 and fish-egg gathering unit, it is characterized in that, the mesh of described cylinder mould assumes diamond in shape, and the size of mesh of the cylinder mould above netted interlayer is 35x35 millimeter, and the size of mesh of the cylinder mould below netted interlayer is 0.5x0.5 millimeter.
3. a kind of hairtail parent according to claim 1 and fish-egg gathering unit, is characterized in that, described netted interlayer is made up of fishing net, and the funnel-form that netted interlayer is cross-sectional area to be reduced from top to bottom gradually; The slow extruding of hairtail parent and fish-egg gathering unit is provided with in the middle part of the lower surface of described cylinder mould, this hairtail parent delays extruding and fish-egg gathering unit comprises the one end open be arranged on cylinder mould, the other end closes receiver, extensiblely be accommodated in inflating air pouch in receiver and gas tube, the openend of described receiver is towards netted interlayer, and described gas tube one end is connected with inflating air pouch;
When after inflating air pouch inflation, inflating air pouch presents end opening, the cylindrical shape gasbag of lower end closed, and the bottom of netted interlayer is positioned at cylindrical shape gasbag.
4. a kind of hairtail parent according to claim 3 and fish-egg gathering unit, it is characterized in that, described cylinder mould comprises mesh cage framework, and described receiver is fixed on mesh cage framework.
5. a kind of hairtail parent according to claim 3 or 4 and fish-egg gathering unit, is characterized in that, the cylinder mould lateral surface below described netted interlayer is provided with a circle metallic support net.
6. a kind of hairtail parent according to claim 1 and fish-egg gathering unit, it is characterized in that, described cylinder mould comprises mesh cage framework and is fixed on fishing net body on mesh cage framework, the size of mesh of described netted interlayer is less than the size of mesh of the cylinder mould above netted interlayer, cylinder mould above described netted interlayer is provided with the mesh adjusting device of the mesh size for regulating cylinder mould, this mesh adjusting device comprises some airbag apparatus, and the airbag apparatus netting twine being positioned at each mesh edge of the fishing net body above netted interlayer is equipped with described at least one, described airbag apparatus comprises the mounting pipe be set on netting twine and the annular air-pocket bag be set in outside mounting pipe, and annular air-pocket bag is fixedly connected in mounting pipe, all annular air-pocket bags of described mesh adjusting device are interconnected by tube connector, have at least an annular air-pocket bag to be provided with in each annular air-pocket bag and fill exhaust nozzle.
7. a kind of hairtail parent according to claim 6 and fish-egg gathering unit, it is characterized in that, the mesh of described netted interlayer assumes diamond in shape, the size of mesh of netted interlayer is 10x10 millimeter, the mesh of described fishing net body assumes diamond in shape, and the size of mesh of the fishing net body above netted interlayer is 40x40 millimeter.
8. a kind of hairtail parent according to claim 6 or 7 and fish-egg gathering unit, is characterized in that, described annular air-pocket bag is cylindric.
9. a kind of hairtail parent according to claim 1 or 2 or 3 or 4 or 6 or 7 and fish-egg gathering unit, it is characterized in that, the net of upper and lower both ends open is provided with in the upper end open of described cylinder mould, the upper end open edge conjunction of described net upper port edge and cylinder mould, the cross-sectional area of net reduces from top to bottom gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295057.3A CN104982351B (en) | 2015-06-02 | 2015-06-02 | Hairtail parent and roe collection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295057.3A CN104982351B (en) | 2015-06-02 | 2015-06-02 | Hairtail parent and roe collection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104982351A true CN104982351A (en) | 2015-10-21 |
| CN104982351B CN104982351B (en) | 2017-04-19 |
Family
ID=54294370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510295057.3A Active CN104982351B (en) | 2015-06-02 | 2015-06-02 | Hairtail parent and roe collection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104982351B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106614150A (en) * | 2017-02-04 | 2017-05-10 | 四川省农业科学院水产研究所 | Parent fish fixing device |
| CN107027665A (en) * | 2017-06-07 | 2017-08-11 | 天津渤海水产研究所 | Fish-egg satellite collection device in water body |
| CN108896352A (en) * | 2018-06-13 | 2018-11-27 | 浙江省海洋水产研究所 | A kind of fixed point monitoring method of ocean fish-egg |
| CN109089980A (en) * | 2018-09-04 | 2018-12-28 | 浙江海洋大学 | De- ovum type Copepods multifunctional all cultivating system |
| CN109769759A (en) * | 2019-02-21 | 2019-05-21 | 浙江省海洋水产研究所 | Choice tests netting gear and method |
| CN111449016A (en) * | 2020-04-13 | 2020-07-28 | 中国水产科学研究院渔业机械仪器研究所 | Mesh specification adjustable gasbag formula fish pond net of preventing escaping |
| CN111869633A (en) * | 2020-05-25 | 2020-11-03 | 浙江海洋大学 | Rotary multi-net-bag trawl |
| CN112535138A (en) * | 2020-11-18 | 2021-03-23 | 浙江省海洋水产研究所 | Sebastes bastes seed seedling raising device |
| CN113367086A (en) * | 2021-03-17 | 2021-09-10 | 广东海洋大学 | Method for collecting, separating, incubating, identifying and classifying live eggs of natural marine demersal fish eggs |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201957593U (en) * | 2010-12-30 | 2011-09-07 | 北京爱生科技发展有限公司 | Automatic egg collection cultivating tank for aquatic fishes |
| CN203555052U (en) * | 2013-07-01 | 2014-04-23 | 宁波大学 | Fishing net with fish classifying gathering device |
| CN203985657U (en) * | 2014-04-01 | 2014-12-10 | 徐州一统渔具有限公司 | Power ship fishing trawl |
-
2015
- 2015-06-02 CN CN201510295057.3A patent/CN104982351B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106614150A (en) * | 2017-02-04 | 2017-05-10 | 四川省农业科学院水产研究所 | Parent fish fixing device |
| CN106614150B (en) * | 2017-02-04 | 2023-09-01 | 四川省农业科学院水产研究所 | Parent fish fixing device |
| CN107027665A (en) * | 2017-06-07 | 2017-08-11 | 天津渤海水产研究所 | Fish-egg satellite collection device in water body |
| CN107027665B (en) * | 2017-06-07 | 2023-03-31 | 天津市水产研究所 | Accompanying collecting device for fish eggs in water body |
| CN108896352B (en) * | 2018-06-13 | 2020-08-14 | 浙江省海洋水产研究所 | Fixed-point monitoring method for marine fish eggs |
| CN108896352A (en) * | 2018-06-13 | 2018-11-27 | 浙江省海洋水产研究所 | A kind of fixed point monitoring method of ocean fish-egg |
| CN109089980A (en) * | 2018-09-04 | 2018-12-28 | 浙江海洋大学 | De- ovum type Copepods multifunctional all cultivating system |
| CN109769759B (en) * | 2019-02-21 | 2021-05-18 | 浙江省海洋水产研究所 | Selective test net and method |
| CN109769759A (en) * | 2019-02-21 | 2019-05-21 | 浙江省海洋水产研究所 | Choice tests netting gear and method |
| CN111449016A (en) * | 2020-04-13 | 2020-07-28 | 中国水产科学研究院渔业机械仪器研究所 | Mesh specification adjustable gasbag formula fish pond net of preventing escaping |
| CN111869633A (en) * | 2020-05-25 | 2020-11-03 | 浙江海洋大学 | Rotary multi-net-bag trawl |
| CN112535138A (en) * | 2020-11-18 | 2021-03-23 | 浙江省海洋水产研究所 | Sebastes bastes seed seedling raising device |
| CN113367086A (en) * | 2021-03-17 | 2021-09-10 | 广东海洋大学 | Method for collecting, separating, incubating, identifying and classifying live eggs of natural marine demersal fish eggs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104982351B (en) | 2017-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104982351A (en) | Hairtail parent and roe collection apparatus | |
| CN207252565U (en) | A kind of block device for reducing fish and killing and devouring | |
| CN112471086B (en) | Novel aquatic products fishing net of self-contraction type | |
| CN202653013U (en) | Fish living body sample collection device | |
| CN204335594U (en) | A kind of flowing water gathers fish sample device | |
| CN204742208U (en) | Special cage is bred to luxurious comb hole scallop of self -cleaning formula | |
| CN207803201U (en) | A kind of classification aquaculture net cage of dragon and tiger spot fish | |
| CN106070100B (en) | A kind of jellyfish remover for trawlnet | |
| CN206629772U (en) | A kind of freshwater fish culturing pond | |
| CN204811563U (en) | Breed purse seine expanded metals and catch device | |
| CN103430918B (en) | A kind of preparation method and cage of fishing for the cage of large gauge freshwater shrimp | |
| CN208144236U (en) | A kind of double net tail cages that can separate different size shrimps | |
| CN207427864U (en) | A kind of agricultural production maize sheller | |
| CN206933060U (en) | A kind of cage for being used to catch different size shrimps | |
| CN105393994A (en) | House-type fish trapping fishing gear | |
| CN202190653U (en) | Lobster catching cage | |
| CN201409389Y (en) | Fishing rod with net bag | |
| CN103734094A (en) | Method of using mesh bags for leech aquaculture in lakes | |
| CN203523582U (en) | Ground cage used for fishing big-size freshwater shrimps | |
| CN109156397B (en) | Aquaculture box capable of intelligently preventing water flow | |
| CN207040600U (en) | A kind of new shrimping net cage | |
| CN202364687U (en) | Trawl fishing device for juvenile fish living bodies of fishes | |
| CN206808430U (en) | A kind of drawing device for collecting seawater fish embryonated egg | |
| CN205196754U (en) | Fish fishing tackle is traped to room formula | |
| CN2688052Y (en) | Swallowing fishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |