Petrolisthes armatus (Gibbes, 1850)

Material examined (N=8). 1m, 25/IV/2004, St. 0 7 (MZUESC #665); 1m, 25/IX/2004, St. 0 8 (MZUESC #742).

Distribution. Western Atlantic – from North Carolina to Florida, Gulf of Mexico, Antilles, Colombia, and Brazil (Fernando de Noronha, and from Pará to Santa Catarina). Eastern Atlantic – from Senegal to Angola. Central Atlantic – Ascension Island. Eastern Pacific – Gulf of California, Costa Rica, Ecuador (Galapagos), and Peru (Barros et al. 1997b; Melo 1999).

Ecological notes. Under rocks, on corals, mussels, sponges, oysters, and mangrove ( Rhizophora and Avicennia) roots. Intertidal to 60 m (Melo 1999).

Previous records in Bahia. Moreira (1901), Coelho (1963), Veloso & Melo (1993), Almeida et al. (2006).