Periclimenes manihine sp. nov., a new pontoniine shrimp of the P. alcocki species group (Crustacea: Decapoda: Palaemonidae)

A new species of pontoniine shrimp, Periclimenes manihine, is described and illustrated. It is a member of the little known deep-water Periclimenes alcocki species group. Collected from Kenyan waters, from about 250 m, it is the shallowest depth from which species of this group have been recorded.