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Horizontal ichthyoplankton tow-net system with unobstructed net opening

North American Journal of Fisheries Management

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Abstract

The larval fish sampler described here consists of a modified bridle, frame, and net system with an obstruction-free net opening and is small enough for use on boats 10 m or less in length. The tow net features a square net frame attached to a 0.5-m-diameter cylinder-on-cone plankton net with a bridle designed to eliminate all obstructions forward of the net opening, significantly reducing currents and vibrations in the water directly preceding the net. This system was effective in collecting larvae representing more than 25 species of fish at sampling depths ranging from surface to 10 m and could easily be used at greater depths.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Horizontal ichthyoplankton tow-net system with unobstructed net opening
Series title:
North American Journal of Fisheries Management
Volume
7
Issue:
1
Year Published:
1987
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 148-150
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
North American Journal of Fisheries Management
First page:
148
Last page:
150
Number of Pages:
2