Two new species of Unnithan, 1971 collected from gills of marine threadfin fishes and (Polynemidae) from Visakhapatnam coast, India are described. The genus is unique in possessing eversible spiny cirrus. The new species was found to possess unique morpho-anatomical characters like median row of spines on the cirrus, 12 vaginal hooks, 5-7 testes in a single row.
View Article and Find Full Text PDFA new acanthocephalan of the genus Neoechinorhynchus Hamman, 1892 (Acanthocephala: Neoaechinorhynchoidea Southwell et Macfie, 1925) parasitic on threadfin fish, Leptomelanosoma indicum Shaw, 1804 from Visakhapatnam coast, Andhra Pradesh, India is described. Neoechinorhynchus indicus sp. nov is characterized by an enormous body size, structural characteristics of the hooks on proboscis, presence of body annulations, two guard cells, unequal lemnisci, sub-terminal genital pore and the host.
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