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Growth and population parameters of\ud the spade nose shark, Scoliodon laticaudus\ud from Calicut coast

By P Devadoss


von Bertalanffy's growth equation was used to describe growth of Scoliodon\ud laticaudus Muller and Henle. The L , K and t^ values estimated were 715\ud mm, 0.3580, and 0.590 for females and 676 mm° 0.4046 and 0.590 for males\ud respectively. Females grow larger and live longer than males. The overall sex\ud ratio was 1 : 1.31, the females predominating, more so from 551-600 mm size\ud group onwards. The average estimated annual catch was 14.4 tonnes at the\ud existing F value of 0.73

Topics: Population Dynamics
Publisher: CMFRI/ICAR
Year: 1998
OAI identifier:

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