Distribution and Abundance of Finfish Larvae along Bay of Bengal (South East Coast of India)
2009
Dr. T. Anbalagan
In the present s tudy, the distribution and abund ance of Ichtyop lankton was made in Kodiakkaari andArukattuthurai of Vedaranyam coas t, so uth eas t coast o f India. Both the s tation occupies an important placein the fish ing area of Tamilnadu. Monthly sampling of Icthyoplankto n were made for one year (September 2006to Augus t 2007) covering a s t r e tch of 30 km. The Ichthyoplankton at both station compos ed of familyScombridae, Mugilidae, Teraponidae, Lujanida e, Pomadasydae, Scianidae, Clupeida e, Carangidae, Latidae,Sphyraenidae, Engraulida e, Leiognathid ae, Tetradentidae and Chirocentridae. A maximum dens ity (76/10m3)of fin fish larvae was observed during summer followed by a s econdary peak in postmonsoon season. In botht h e stations Teraponidae showed the major larval compos ition (15.27 and 14.05) and Tetraodontida eencountered lowes t compos ition (3.05). Seasonal wis e compos ition of Icthyop lankton refers th at the abund ancewas maximum in manosoon (Pomacentridae 32.56 %) a n d minimum (Tetraodontidae 0.99%) in summer.Physicochemical paramet ers s u c h a s Temperature, pH, Salinity, Dissolved oxygen and Rainfall were alsorecorded from the s tations in relation to th e distribution and abund ance of Icthyop lankton.
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