Estuarine caridean shrimps (Crustacea: Decapoda) from Ilhéus, Bahia, Brazil: Updated checklist and a key for their identification

We provide an updated list of the 22 species of caridean shrimps occurring in estuaries at Ilheus, state of Bahia, Brazil, in the following families: Palaemonidae (4 species), Alpheidae (15 species), Hippolytidae (2 species) and Ogyrididae (1 species). The alpheid Automate cf. dolichognatha De Man, 1888 and the ogyridid Ogyrides alphaerostris (Kingsley, 1880) are reported from Bahia for the first time. The alpheids Alpheus brasileiro Anker, 2012, A. buckupi Almeida, Terossi, Araujo- Silva and Mantelatto, 2013, A. chacei Carvacho, 1979, A. nuttingi (Schmitt, 1924), Leptalpheus axianassae Dworschak and Coelho, 1999 and Salmoneus carvachoi Anker, 2007 are recorded from Ilheus for the first time. Alpheus angulosus McClure, 2002 and A. carlae Anker, 2012 were previously reported from Ilheus as A. armillatus (H. Milne Edwards, 1837). A key for identification of the carideans from estuaries of Ilheus is provided.