Rhogobius pressulus n. sp. (Copepoda: Siphonostomatoida) from a Deep-Sea Hydrothermal Vent at the Galapagos Rift

Abstract

A new species of dirivultid copepod, Rhogobius pressulus, is described from a depth of 2451 m at a hydrothermal vent on the Galapagos Rift in the eastern Pacific. The new taxon is differentiated from its only congener by the broad suboval fifth leg, the shape of the genital segment, and the form of the postgenital segments. Males are unknown.