The Length-Weight, Length-Length Relationship and Condition Facor of Synodontis resupinatus in Gbedikere Lake Bassa, Kogi State, Nigeria

Abstract

"Length-weight, length-length relationships and condition factor of male, female and combined sex of Synodontis resupinatus Gbedikere Lake Bassa, Kogi State was studied. One hundred and forty three fish samples of total length ranging from 8.20cm to 16.60cm and weight between 2.25g and 76.05g collected between July and December 2007 were analyzed. Results showed that the isometric growth for male, females, combined sex and juveniles had regression coefficient (b-value) of 3.02, 3.23, 3.13 and 2.19 respectively. Both male and females exhibited positive allometric growth, juveniles on the other hand showed negative allometric growth. The regression coefficient (b-value) for the length-length relationship was 1.5645, 2.8050, 1.9768 and 0.9668 for males, females, combined sex and juveniles body growth respectively while the condition factor of all the sampled population varied from 1.03 to 2.55, females were in better condition than males and there was no significant difference (P>0.05) between them. Gbedikere Lake is a good environment for growth, reproduction and survival of the fish species."