Author(s): SN Kudtarkar, Dr. MC Sathe and Dr. AK Jaiswar

Abstract: Parasitological examination, on Alepes kleinii (Bloch 1793) (family: Carangidae) from Mumbai Coast and Goa Coast. India was carried out on 182 specimens (117 from Mumbai Coast and 65 from Goa Coast), collected between August 2015 to May 2016. During examination 20 specimens were found to be infested with isopod Norileca indica (Isopod: Cymothoidae) from Mumbai Coast and 15 specimens from Goa Coast; mostly attached to gills. Others were located in the mouth cavity where the tongue itself was replaced by the parasite in most cases. The size of parasite was varied from 14 to 20.1 mm long and 5.8 to 8 mm wide at Mumbai Coast and 14.6 to17.6 mm long and 6.1 to 6.95 mm wide at Goa Coast, whereas the size of fish varied from 84.92-174.36 mm TL at Mumbai Coast and 85.12-148.12 mm TL at Goa Coast. Prevalence of infection was observed to 23.08% at Mumbai Coast while, 16.81% at Goa Coast. The lowest percentage of infection in A. kleinii at Mumbai Coast was 10% and at Goa Coast it was 9.09%. The overall prevalence, mean intensity and abundance of infestation with isopod were found to be 16.81%, 1.183, 0.271 at Mumbai Coast and 23.08%, 1.33, 0.308 on Goa Coast. The highest prevalence of parasite infection was observed in the month of October in Mumbai Coast and in March on the Goa Coast.

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