Ecology, Environment and Conservation Paper

Vol 24, Feb. Suppl. Issue 2018; Page No.(366-369)

EFFECT OF TEMPERATURE ON THE REPRODUCTIVE PERFORMANCE OF SKUNK ANEMONE FISH, AMPHIPRION AKALLOPISOS FROM ANDAMAN SEA

Venkatesh R. Thakur, A.K. Verma, S. Dam Roy1, N.K. Chadha, Chandra Prakash and Neelam Saharan

Abstract

Present study intended to find out the effect of temperature on the reproductive performance with respect to the parameters like ova diameter, duration of 1st spawning, frequency of spawning, time interval between successive spawning and fecundity per spawning of Amphiprion akallopisos. Matured pairs of Amphiprion akallopisos was collected from North Bay (11042’09.11" N and 92043’12.8" E) region of Andaman Sea. The experiment was carried out in 500l tanks under controlled condition with three constant temperature regimes, i.e. 25±0.5 oC, 27 ± 0.5 oC, 29o ± 0.5 oC and control, for a period of three months. Study revealed that Amphiprion akallopisos showed best reproductive performance at 29 oC than other temperature regimes. The first spawning was observed one month of rearing and spawned five times with 12-15 days of time interval. The mean ova diameter was in the range of 2.0 ± 0.05 mm in length and 0.9 ± 0.05 mm in width. Egg cultch consisting of 323 ± 14.5 eggs per spawning. The number of eggs progressively increased in successive spawning. The present study revealed that the captive spawning at 29 ± 0.5 oC with favourable water quality parameters can lead to suitable production of ultimately marine ornamental fish trade of Amphiprion akallopisos.

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