STUDIES ON FISH EGGS AND LARVAE FROM INDIAN WATERS 2. DEVELOPMENT OF EGG AND LARVAE OE ACENTROOOBIUS ORNATUS (RtFPPELL)


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Authors

  • P Vijayaraghavan Central Marine Fisheries Research Institute, Cochin

Abstract

Eggs of Acentrogobius ormtus (Riipp.), attached to Placenta shells were collected
along with the parent (male) fish guarding it in knee deep water from the Vellar estuary
at Portonovo. The embryonic development from the blastoderm stage up to hatching
and the larvae up to the seventh day are described.
Besides the present account on A. ornatus, the eggs and early development of its
congeners, ^ . n«7/i and/4. v/»-/</i>uncra/«;s have been known. The eggs of<4.ne///j is club
shaped and smaller than that of A. ormtus which is stumpy, broader at the base arid is
the smallest of all. In A. ormtus o&mA. viridipunctatusths oil globules do not coalesce to
form a single one as met with in A. neilli. The egg of y4. ornatus which is the smallest
of the three species, has the longest period of incubation. The important features in
the embryonic and larval development of the three species are tabulated for comparison.

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Author Biography

  • P Vijayaraghavan, Central Marine Fisheries Research Institute, Cochin
    Central Marine Fisheries Research Institute, Cochin

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Issue

Vol. 20 No. 2 (1973)

Section

Articles

License

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How to Cite

Vijayaraghavan, P. (2011). STUDIES ON FISH EGGS AND LARVAE FROM INDIAN WATERS 2. DEVELOPMENT OF EGG AND LARVAE OE ACENTROOOBIUS ORNATUS (RtFPPELL). Indian Journal of Fisheries, 20(2), 523-532. https://epubs.icar.org.in/index.php/IJF/article/view/12414