Length-weight Relationship and Condition Factor of Auchenoglanis biscutatus in Kiri Reservoir, Adamawa State, Nigeria
H. S. Kiman *
Department of Zoology, Gombe State University, Nigeria.
A. Ja'afaru
Department of Zoology, Modibbo Adama University of Technology, Yola, Nigeria.
*Author to whom correspondence should be addressed.
Abstract
Length-weight relationship and condition factor of Auchenoglanis biscutatus obtained from Kiri Reservoir Adamawa State, Nigeria from July to December 2014 were studied. The objective of this study was to determine the state of physiological wellbeing of the fish in the reservoir. A total of 60 Auchenoglanis biscutatus were collected from fishermen catch and transported to the laboratory for analysis. Identification of fish was done using the Babatunde and Raji method. Length-Weight relationship and condition factor were calculated using the Froeze method. The results of the length - weight analyses showed that the entire fish exhibited a negative allometric growth pattern with regression exponent b values less than 3. The analyses showed that the condition factor of Auchenoglanis biscutatus were greater than 1 and implied that they were in good physiological condition.
Keywords: Growth in fish, fish biology, biometric relationship, ecological factors, biological factors