Observations on the biology of Tachysurus thalassinus Ruppell from Veraval (Gujarat)

Raje, S G (2004) Observations on the biology of Tachysurus thalassinus Ruppell from Veraval (Gujarat). Journal of the Indian Fisheries Association, 23. pp. 7-14.

[img] Text
Journal of the Indian Fisheries Association_1993_Raje S G.pdf

Download (466kB)
Related URLs:

Abstract

The length-weight relationship of T. thalassinus differed in the sexes and, therefore separate equations were obtained; for males log W = -5.1728 4- 3.0495 log L; and for females log W = -5.7456 + 3.2798 log L. The spawning period of this species appears to be restricted to a short period from October to November. Fecundity has been found to range from 33 to 55 mature eggs in specimens of the size range 421-564mm. The sex ratio of males to females was 1.8:1. T. thalassinus is a bottom carnivore, crustaceans ranking first in food followed by fishes, mollusc and polychaetes.

Item Type: Article
Uncontrolled Keywords: Tachysurus thalassinus; Ruppell
Subjects: Demersal Fisheries > Catfish
Fish and Fisheries > Fish biology
Demersal Fisheries
Divisions: CMFRI-Mumbai
Depositing User: Arun Surendran
Date Deposited: 24 Jan 2023 10:51
Last Modified: 24 Jan 2023 10:51
URI: http://eprints.cmfri.org.in/id/eprint/16637

Actions (login required)

View Item View Item