A contribution on first report of morphogenetic characterization of Anisakis typica parasitizing Indian sand whiting, Sillago sihama from Central west coast of India
2024
Yadav A. | Jaiswal N. | Malhotra S. K.
The search for hitherto undiscovered larvae of Anisakis sp. from marine habitat in the Indian sub-continent yielded A. typica (Dujardin) larvae hitherto unconfirmed. The present study is the maiden attempt to report 3rd stage larvae of A. typica from the reef-associated Sillago sihama in Arabian Sea off the coast of Goa, which has been identified recently as reef-populated area within the maritime boundary of India. The morphometry of 3rd stage larvae has been presented with a record of molecular characterization. In the context of current study, the natural prevalence of A. typica larvae in marine piscine hosts of Arabian Sea in India was 6.84 % and of co-occurring Rotundocollarette capoori (Yadav, Kapoor and Malhotra) in the same fish was 13.65 %. The roundworms were confirmed to be A. typica by application of the molecular and genetic characterization based on ITS1, ITS2 and 18S rDNA sequence analysis. The infestation of reef-associated fishes in this study by anisakid worms study provided an opportunity to explore mechanism of ecological associations of coral reefs with parasitization in future.
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