Effects of salinity changes on growth performance and survival of climbing perch, Anabas testudineus (Bloch, 1795)

Effects of salinity changes on growth performance and survival of climbing perch, Anabas testudineus (Bloch, 1795)

An experiment was carried out to find the salinity tolerance capability and growth performance of Climbing Perch, Anabas testudineus (Bloch, 1795). Anabas testudineus commonly cultured fish in Bangladesh was reared in laboratory conditions at different salinities of 0, 3, 6, 9, 12, 15, 18 and 21‰ fo...

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Veröffentlicht in:The Dhaka University journal of biological sciences 2016-06, Vol.25 (1), p.65-73
Hauptverfasser: Nahar, Faijun, Haque, Wahida, Ahsan, Dewan Ali, Mustafa, Md Ghulam
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container_title The Dhaka University journal of biological sciences
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creator Nahar, Faijun
Haque, Wahida
Ahsan, Dewan Ali
Mustafa, Md Ghulam
description An experiment was carried out to find the salinity tolerance capability and growth performance of Climbing Perch, Anabas testudineus (Bloch, 1795). Anabas testudineus commonly cultured fish in Bangladesh was reared in laboratory conditions at different salinities of 0, 3, 6, 9, 12, 15, 18 and 21‰ for 60 days. Hundred per cent survivals were detected at 0, 3, 6 and 9‰ salinity while 100% mortality was recorded at 18 and 21‰ salinity. Various responses to threat and feeding were observed among the fish in different treatments. Lowest feed conversion ratio was found in the control group while the highest was detected at 15‰ salinity. On the other hand, decreasing trend of specific growth and average growth rate were observed in A. testudineus fingerlings from 0 to 15‰ salinity. Significantly higher specific growth rate and average growth rate were detected in A. testudineus fingerlings reared at 0 - 6‰ salinity (p < 0.05). The present study suggests that Climbing Perch fingerlings can be reared at fresh water growth rates in coastal water with salinity up to 6‰.Dhaka Univ. J. Biol. Sci. 25(1): 65-73, 2016
doi_str_mv 10.3329/dujbs.v25i1.28496
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title Effects of salinity changes on growth performance and survival of climbing perch, Anabas testudineus (Bloch, 1795)
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