Eggs and early developmental stages of Hilsa kelee (Cuvier)

Rao, K Satyanarayana (1973) Eggs and early developmental stages of Hilsa kelee (Cuvier). Indian Journal of Fisheries, 20 (1). pp. 250-255.


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A type of clupeiod fish eggs 1.005-1.065 mm in diameter with six or seven oil globules recorded in the plankton off Madras coast from February to April and in December in 1967 and in January and March in 1968 have been ascribed to Hilsa kelee (Cuvier) based on the structure of the eggs and larvae hatching from them, the simultaneous occurrence of ripe fish of the species in inshore waters of Madras and coincidence of myotome number of larvae with the number of vertebrae in adult fish. The newly hatched pro-larva has ellipsoidal yolk sac, thirty six pre-anal and six or seven post-anal myotomes and small black spots on the dorsal side of the pro-larva. The three day old pro-larva has three pairs of rudimentary gills, well-developed pectoral fins, small black streaks on the gut and caudal fin rays and 42 or 43 myotomes. The eggs appear to tolerate a fairly wide range of salinity between 26.22 %. and 35.62%,.

Item Type: Article
Uncontrolled Keywords: Eggs; early developmental stages; Hilsa kelee
Subjects: Pelagic Fisheries > Clupeidae
Divisions: CMFRI-Cochin > Marine Capture > Pelagic Fisheries
Subject Areas > CMFRI Brochures > CMFRI-Cochin > Marine Capture > Pelagic Fisheries
Depositing User: Dr. V Mohan
Date Deposited: 29 Jun 2010 11:52
Last Modified: 09 Sep 2015 15:11

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