Pachygrapsus gracilis (de Saussure, 1857)

(Figure 6C)

Metopograpsus gracilis de Saussure, 1857: 443, pl. 2, fig. 15.

Material examined. Brazil, São Paulo: 4 ♀ ov, CCDB 5482, Ubatuba, Praia Itaguá, colls. R. Robles et al., 30.xi.2014 ; 1 ♂, CCDB 5495, Ubatuba, Praia Itaguá, colls. R. Robles et al., 30.xi.2014 ; 2 ♂, 2 ♀, CCDB 811, Cananéia, Rio Baguaçu estuary, colls. R. Costa et al., 30.viii.2011 ; 1 ♂, CCDB 1234, Cananéia, IO / USP, colls. F. Mantelatto et al., 29.viii.2011 ; 3 ♂, 6 ♀ (1 ♀ ov), CCDB 3265, Cananéia, IO / USP, colls. F. Mantelatto et al., 14.iv.2011 ; 1 ♂, 2 ♀ ov, CCDB 3763, Cananéia, IO / USP, colls. F. Mantelatto et al., 10.iii.2011 ; 1 ♂, 1 ♀ ov, CCDB 5045, Cananéia, IO / USP, colls. F. Mantelatto et al., 10.iii.2012 .

Distribution. Western Atlantic—USA (North Carolina, Florida, Gulf of Mexico), Antilles, Colombia, French Guiana, and Brazil (Pará, Rio Grande do Norte, Ceará, Pernambuco, Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul). Eastern Atlantic—Angola, Senegal and Cape Verde; Mediterranean Sea (Rathbun 1918; Warner 1969; Melo 1996; Barros & Pimentel 2001; Poupin et al. 2005; Almeida et al. 2007b; Diele et al. 2010).

Remarks. Previous records in São Paulo state include Cananéia (Tiseo et al. 2014, 2017). The distribution of P. gracilis in the Eastern Pacific—USA (California) to Peru (Melo 1996)—was discarded and the specimens from the Pacific coast were assigned to the resurrected species Pachygrapsus socius (Schubart et al. 2005) . Sequences accession number (GenBank): CCDB 811—16S (MF490200), COI (MF490106) (Mantelatto et al. 2018a).