Trawl net

Anophthalmia is recorded for the first time in Terapont heraps. The specimen was caught by trawl net at Versova, northwest coast of India. Mature female Terapont heraps weighing 58.78 gm and 13.06 cm total length. Comparison of anophthalmic specimen with a normal specimen could not show significant variation in morphometric and meristic traits and the deformity may be congenital which has not affected growth and physiology of fish.

6p angicungduoc4 26-04-2020 7 0   Download

This study was conducted to fi nd out the relations between trawling speed and vertical opening of trawl net. The study uses a trawl model to perform a test in a flume tank at various trawling speeds, from 0.46 m/s to 1.08 m/s, this is equivalent from1.5 knots to 3.5 knots in the field for full-scale net.

6p viryucha2711 24-04-2019 13 2   Download

The study on diversity of fish in the Hau River was continuously implemented during 12 months (July, 2011 to June, 2012) at An Giang (upstream), Can Tho (middle stream) and Soc Trang (downstream). At each area, sampling was conducted at 2 sites (main river and its tributary) using the main fishing gear as trawl net in combination with other available fishing years such as gill nets, fixed nets, lift nets… and at the local fish markets.

8p vidanh27 08-12-2018 40 1   Download