Studies on the biology of Gymnarchus niloticus in Lake Chad: Age determination and growth; meristic and morphometric characters

Sagua, V.O. (1985) Studies on the biology of Gymnarchus niloticus in Lake Chad: Age determination and growth; meristic and morphometric characters. In: 4th Annual Conference of the Fisheries Society of Nigeria (FISON) , 26-29 November, 1985 ,Port-Harcourt, Nigeria, pp. 179-190.

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Abstract

The meristic and morphometric characteristics of Gymnarchus niloticus are described and linear equations relating various parts of the body to the head length or total length are given. The age of G. niloticus in Lake Chad (Nigeria) was determined from growth marks on the opercular bones. The mean lengths for age, and mean weights for age obtained for the first five years of life are given. The assymptotic length and the von Betarlanffy growth parameters for the males and females combined are given

Item Type: Conference or Workshop Item
Title: Studies on the biology of Gymnarchus niloticus in Lake Chad: Age determination and growth; meristic and morphometric characters
Personal Creator/Author:
CreatorsEmail
Sagua, V.O.
Page Range: pp. 179-190
Date: 1985
Event Title: 4th Annual Conference of the Fisheries Society of Nigeria (FISON)
Event Type: Conference
Event Location: Port-Harcourt, Nigeria
Event Dates: 26-29 November, 1985
Issuing Agency: Fisheries Society of Nigeria
Uncontrolled Keywords: Nigeria; age determination; growth; length-weight relationships; population structure; Gymnarchus niloticus
Subjects: Biology
Item ID: 3409
Depositing User: Ms Maria Kalentsits
Date Deposited: 21 May 2010 16:51
Last Modified: 29 Sep 2011 17:28
URI: http://aquaticcommons.org/id/eprint/3409

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