The aim of this article was to report on the sponge-dwelling crustaceans collected through scuba diving at " Parque Estadual Marinho Pedra da Risca do Meio" Fortaleza, Ceará, Brazil. Nine species of sponges were collected and fourteen crustaceans were identified. The Alpheidae family was the most abundant with six species, followed by the families Mithracidae and Porcellanidae with two species and Palaemonidae, Pilumnidae, Pseudorhombilidae and Xanthidae with one species. The species Nanoplax xanthiformis (A. Milne Edwards, 1880), Synalpheus hemphilli Coutière, 1909, S. minus (Say, 1818), S. sanctithomae Coutière, 1909 and Petrolisthes rosariensis Werding, 1978 have their distribution expanded in the brazilian coast.
Commensalism; Decapoda; first record
