Alpheus zimmermani sp nov., a new colourful snapping shrimp (Crustacea : Decapoda) from the Caribbean Sea

A new snapping shrimp, Alpheus zimmermani sp. nov. is described on the basis of a single specimen collected on a coral reef off Guana Island, British Virgin Islands, Caribbean Sea. The new species has some morphological similarities with A. bouvieri A. Milne-Edwards and A. leviusculus Dana, but differs from these taxa by the strong mediodorsal carina reaching far beyond the mid-length of the carapace, several features on the chelipeds, and by the conspicuous colour pattern.