The caridean shrimps (Crustacea: Decapoda: Caridea: Alpheoidea, Palaemonoidea, and Processoidea) from Bahía Chamela, Mexico

AbstractDuring a faunistic survey of the islands and islets of Bahía Chamela, Jalisco, Mexico, 40 species of caridean shrimps belonging to 5 families were collected; the Alpheidae with 3 genera and 20 species was the best represented, followed by the Palaemonidae with 10 genera and 12 species. Other families found were: Hippolytidae (3 genera, 5 species), Gnathophyllidae (1 genus, 1 species), and Processidae (1 genus, 2 species). Compared with the rest of the Mexican Pacific, the number of species found represents 44% of the genera and 45% of the benthic species of caridean shrimps reported to date. Ninety percent of the species collected correspond to new records for Bahía Chamela. Two species, Neopontonides henrivronprahli from Costa Rica and Colombia, and Thor cocoensis from Costa Rica and the Galápagos Islands, are recorded for the first time since their original description, extending their distribution range by ca 16 and 14 degrees of latitude to the north, respectively