Research article

Age estimation of Tenualosa toli from fish harbor Karachi, Pakistan

^*1Narejo NT, ¹Jalbani S, ²Iqbal R, ³Manzoor H, ¹Khan P and ³Rasul S

¹Department of Freshwater Biology and Fisheries, University of Sindh, Jamshoro, Sindh, Pakistan

²Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Punjab, Pakistan

³Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Punjab, Pakistan

*Corresponding Author E-mail: dr_ntnarejo46@yahoo.com

Accepted 30 January 2015

Abstract

Age estimation of Tenualosa toli from landing center at fish harbor Karachi Pakistan was carried out from 200 fish specimen. It was determined that the length-frequency and scale method of fish at length 10-20.0 cm possess two annuli denoted as (I year class) and 5 annuli was observed in the scales of fish having 20.1-30.0 cm length termed as (II year class) respectively. The age determination from length-frequency and scale method matched very well.

Keywords: Age estimation, Tenualosa toli, fish harbor, Length- frequency, Scale method