ANGEL FISH ( PTEROPHYLLUM SCALARE ) - STUNTED GROWTH AND SWIMMING ABNORMALITIES - A REPORT
Keywords:
Swimming abnormalities, Swim bladder, Methylene blue, morphological featuresAbstract
Abnormalities in size and growth has been observed in the young ones of angel fish (Pterophyllum scalare) of the same brood. Morphological measurements confirm the abnormalities in the affected specimens. As per the reports available, methylene blue treatment during the early life stages may have a teratogenic effect which led to such conditions in angel fish.
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References
Gatz,A., J.Jr.(1979). Ecological morphology of freshwater stream fishes. Tul.Stud.Zool.Bot. 21:91-124.
Perlberg,S.T., Diamond,A., Ofir, R. and Zilberg, D. (2008). Characterization of Swim Bladder Non – inflation (SBN) in angel fish, Pterophyllum scalare (Schultz), and the effect of exposure to Methylene blue. J.Fish Dis, 31(3):215-228.
Zilberg,D., Ofir,R., Rabinski,T. and Diamant, A. (2004). Morphological and genetic characterization of swimbladder non-inflation in angel fish Pterophyllum scalare (Cichlidae), Aquaculture ,230 (1-4):13-27.
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