Differents types of net & their use

Prepared by Bishwas Kaflekaflebishwas@gmail.com

What are they?????????

prepared by : Bishwas kafle

Cast Net• Flat and circular but large in size• It has string• They have iron load(weight) along their

margin• Thrown in such a manner that it spreads, sinks

in water and capture the fishes• Made from nylon and plastic rope• Size vary upto 4m diametere

prepared by : Bishwas kafle

prepared by : Bishwas kafle

Drag Net• Used to harvest large number of fishes• Made from plastic or artificial fibre (rayon)• Lenth of 50m and width 4.5 m• Tied with nylon rope• Pulled with help of rope and slowly slowly most

part of net was pulled out by worker at corner• Plastic drums are used in upper part for

buoyancy and iron load on lower surface

prepared by : Bishwas kafle

prepared by : Bishwas kafle

Gill Net• Are vertical pannel of netting normally set in a

straight line• Fish swim into a net passes out only a head

through mesh• When it struggled to free itself, the coil slips

behind the gill cover prevent escape• This net is not visible to fish

prepared by : Bishwas kafle

prepared by : Bishwas kafle

Fry Net• Fry net is used to collect fry or fingerlings• Small net of 20-30 cm diameter• Round metal with handle is fitted where net is

in cone shaped

prepared by : Bishwas kafle

Others Net• Hook net :it is used for recreational

purpose.hook is fitted to long thread and used to harvest single fish. Bait is kept in hook to lure the fish.

• Scoop net: it is used in fish hatchery during artificial breeding of fish. It is alike with fry net but used to caught male and female breeding fish

prepared by : Bishwas kafle

Care and protection of Nets• Plant and soil debris , weed other aquatic

organisms should be cleaned after each and every use

• Net should be kept in shaded area after proper sanitation

• For disinfection , it should be treated with 1:10 formalin solution

• It should be kept away from rodent and mice• Should be kept in dry and cool temperature at

room tempreatureprepared by : Bishwas kafle

Thank you For Your KindAttention

prepared by : Bishwas kafle