Synalpheus minus

Synalpheus minus (Say, 1818) Material examined: Paraíba —1 M, Akaroa Expedition, St. 03, 08º56′15′′S 34º57′40′′W, MOUFPE 15788; Pernambuco—Continental Shelf off Recife: 1 F, 27.ii.2018, 8°13′52.1′′S 34°37′39.1′′W, 50.8 m depth, in sponge, MOUFPE 21541; Ilha de Itamaracá: 1 M, Ilha de Itamaracá, St. 01, Forte Orange, MOUFPE 8789; 1 M, Forte Orange, 27.i.1990, MOUFPE 8789. Description: Coutière (1909) and Christoffersen (1979). Distribution: Bermuda and from USA (North Carolina) to Brazil (Abrolhos and from Ceará to São Paulo) (Christoffersen 1979, 1998; Almeida et al. 2018b; this study). Ecology: Among rocks, in coralline rocks with algae, in calcareous algae, reefs of Phragmatopoma sp., and in association with ascidians and sponges (e.g., Callyspongia sp., Ircinia sp., Hymeniacidon sp., Pseudoceratina sp., Xestospongia sp.); in heterosexual pairs; intertidal to 85 m (Christoffersen 1979; Anker et al. 2012). Remarks: Synalpheus minus is part of the S. brevicarpus complex, as mentioned above.