♣ Synapseudes sp.

Material examined. TA: 75 individuals. CNCR 35346. Tr-Loc: Madagascar, Yucatan, Mexico, 21°26’30.12’’N 90°17’25.9’’W, 45 individuals, 29 May 2012, coll. GR, IW, MA, UP, collected at 15 m depth; Tr-Loc: Sisal, Yucatan, Mexico, 21°20’54.4’’N 90°08’52.5’’W, 15 individuals, 30 May 2012, coll. GR, IW, MA, UP, collected at 9 m depth; Tr-Loc: Bajo Diez, Yucatan, Mexico, 21°20’50.8’’N 90°08’53.0’’W, 15 individuals, 04 June 2012, coll. GR, IW, MA, UP, collected at 11 m depth. These specimens were collected in sponges such as A. crassa, A. fistularis, C. echinata, I. notabilis, M. arbuscula, algae such as D. delicatula, cnidaria such as P. guadalupensis, coral rubble. The abundance of females and males was not recorded for this species.

Local distribution. Consult Cházaro-Olvera et al. (2018).

Geographical distribution. Pacific Ocean: coasts of Oaxaca and Guerrero; Atlantic Ocean: Edisto Island, South Carolina, Fort Lauderdale, Florida, Southeastern Texas; GoM: Tuxpan-Lobos Protected Natural Area, Veracruz Reef System National Park; Caribbean Sea: Mahahual, Puerto Morelos Reef National Park, Quintana Roo, Mexico .

Recognition characters. Small body; rostrum bilobate; pleon with first two pleonites fused and without pleopods. Male cheliped more robust than in female.

Remarks. This species occurs in sponges such as C. nucula, G. neptuni, Ircinia strobilina (Lamarck), Neopetrosia subtriangularis (Duchassaing), algae such as C. racemosa, D. dichotoma and U. lactuca, in the presence of sabellarid colonies, coral rubble, at depths 1 to 12 m.

References. Heard et al. (2004); Suárez-Morales et al. (2004); García-Madrigal et al. (2005); Jarquín-González & García Madrigal (2010); Bastida-Zavala et al. (2013); Monroy-Velázquez et al. (2017); Winfield et al. (2017); Cházaro-Olvera et al. (2018); Heard et al. (2018); Stępień et al. (2018).