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International Journal of Fisheries and Aquatic Studies
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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2014, Vol. 1, Issue 6, Part C

Larval rearing of spiny eel, Mastacembelus pancalus in the captivity with emphasis on their development stages


Author(s): Aeyrin Afroz, Md. Sherazul Islam, Md. Rezwanul Hasan, Mst. Hasnahena and Dilshad Milky Tuly

Abstract: The larvae of the spiny eel, Mastacembelus pancalus were reared and examined the development of larvae. Larvae survive up to 390 hrs of hatching and improved survival rate showed in rain water than pond and supplied tap water. The larval development progress were categorized into nine distinguish stages. In the first stage, larvae carried yolk sac on their body. In later stage, yolk sac was convex interiorly and become tubular. Yolk sac was completely disappeared in the third stage within 80-90 hrs of hatching and started to exogenous feeding. Eyes were fully pigmented at the fourth stage. In fifth stage, intestine and kidney were developed. Well-developed jaws were visualized in the sixth stage. In later stages, gut and airbladder were visualized. In the eight stage, distinct anal and dorsal fin were observed. At the last stage, spiky notochord was shown within 370-390 hrs of hatching but yet to complete larval stages.

Pages: 163-167  |  873 Views  5 Downloads

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How to cite this article:
Aeyrin Afroz, Md. Sherazul Islam, Md. Rezwanul Hasan, Mst. Hasnahena, Dilshad Milky Tuly. Larval rearing of spiny eel, Mastacembelus pancalus in the captivity with emphasis on their development stages. Int J Fish Aquat Stud 2014;1(6):163-167.
International Journal of Fisheries and Aquatic Studies