Lamplight drop net with fish classifying device and spotted silver, carp fry safe escape channel

An escape channel and fish fry technology, which is applied in fishing, application, animal husbandry, etc., can solve the problems of increasing fishing losses in reservoirs, time and labor consumption, and damage to silver carp and bighead carp fry, etc., and achieves ecological environmental performance and economic performance Optimization, high promotion value, and simple operation
CN102349478BInactive Publication Date: 2013-03-13่‹้ซ˜้”‹ +2
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
่‹้ซ˜้”‹
Publication Date
2013-03-13
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a lamplight drop net with a fish classifying device and a spotted silver carp fry safe escape channel. When fish is caught by the lamplight drop net, spotted silver carp fries are freed through the spotted silver carp fry safe escape channel, and the adult spotted silver carps and small wild trash fish in a reservoir are classified and caught into the net bag of the lamplight drop net. The finished product fish and the small wild trash fish in the reservoir are caught by the lamplight trap drop net, so the spotted silver carp fries are not injured. The lamplight drop net has clever design, is easy to operate and does not consume time and labor. The catch quantity and freeing operation of the spotted silver carp and the small wild trash fish in the reservoir can be determined according to the specific situation of each reservoir, so that the economic benefit of the reservoir and ecological balance of fish in the reservoir are guaranteed, ecological environment-friendly property and economic property are optimized, and high popularization value is achieved.
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Description

technical field

[0001] The invention relates to a lifting net for fishing with light, in particular to a lifting net for fishing with light equipped with a special passage for safe escape of silver carp and bighead carp fry and a fish separating device. Background technique

[0002] Lighting fishing nets are used at night, also known as lighting nets. The width and length are generally more than 20 meters, and the larger ones are more than 40 meters. For its specific structure, see figure 1 , the bottom outlet in the middle of the fishing net 1 is connected to the fishing net net bag 8 in a detachable manner, and the opening at the bottom of the fishing net net bag 8 is tied with ropes; The two corners are connected to the winch 4 for lifting the net; the light source device includes a light bulb 5 positioned at a height of about 1 meter in the center of the fishing net, and is connected to power sources such as a generator 7 through an electric wire 6.

[0003] Light trap...

Claims

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