New Records of Four Parasitic Copepods (Crustacea, Siphonostomatoida) from Andaman and Nicobar Waters, India

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Nashad Musaliyarakam
Sijo P. Varghese
Swapnil Shivadas Shirke
Pratyush Das


Our knowledge is limited of the parasitic copepods of the arhipelago known as the Andaman and Nicobar Islands within the Indian Exclusive Economic Zone. Here we report first records of parasitic copepod species form large pelagic fishes caught during exploratory longline operations conducted in Andaman and Nicobar waters. Four species of copepod parasites from three families (Eudactylinidae, Caligidae and Pseudocycnidae) were recovered; 1) Nemesis aggregatus Cressey, 1967 from the gills of pelagic thresher Alopias pelagicus Nakamura, 1935 2) Gloiopotes huttoni (Thomson G.M., 1890) from the body surface of black marlin Istiompax indica (Cuvier, 1832) 3) Caligus lobodes (Wilson C.B., 1911) from the body surface of great barracuda Sphyraena barracuda (Edwards, 1771) and 4) Pseudocycnus appendiculatus Heller, 1865 from the gills of yellowfin tuna Thunnus albacares (Bonnaterre, 1788). Alopias Pelagicus represents a new host record for N. aggregatus.


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