The pandalid genus Plesionika Bate, 1888 includes 93 species and has a widespread distribution including mainly subtropical and tropical waters and some temperate waters, but most species can be found in the Indo-West Pacific. The species of this genus are benthic or nektobenthic, feeding on pelagic and benthic resources. Up to the present, the occurrence of 45 species of the genus has been reported from Asian waters. However, studies on these species from this region are mainly concerning their taxonomic report and very less their biology. Herein a key for the 45 Asian Plesionika species, and brief notes on its taxonomy are provided.
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A new species of Chopra, 1923, a parasitic isopod genus of the family Bopyridae found parasitizing two species of the snapping-shrimp genus Spence Bate, 1888, is described from Brazil. This is the first record of in the Atlantic Ocean, and the first species of bopyrid parasite recorded from the Fernando de Noronha archipelago in northeastern Brazil. Females of sp.
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