Synalpheus ubatuba Mantelatto, França, Cunha & Almeida, 2023

Material examined: Pernambuco — Continental Shelf off Recife: 1 M, 07.ii.2018, 8°08′51.5′′S 34°34′08.0′′W, 65.0 m depth, in sponge, MOUFPE 21808 ; Sergipe —2 M, 3 OV, Plataforma Pcb 4 Face Externa Fora Fundo, 01.xi.2000, MOUFPE 15790 ; 1 M, Plataforma Pcm 11 Pós Face Externa Pé: Fora Superfície Externa, MOUFPE 15791 ; 1 OV, Plataforma Pd 02 Face Externa Terra Meio, 30.x.2000, MOUFPE 15792 ; 1 M, Plataforma Pcb 4 Face Externa Terra Superficie, 01.xi.2000, MOUFPE 15793 ; 1 M, 1 OV, Plataforma Pcm 5 Pós: Face Externa Pé: Terra Superfície, MOUFPE 15794 .

Description: Mantelatto et al. (2023).

Distribution: Brazil (Pernambuco, Sergipe, Bahia and São Paulo) (Mantelatto et al. 2023; this study).

Ecology: Under rocks, dead coral rubble and on dead parts of M. alcicornis in association with the bryozoan Schizoporella errata (Waters, 1878) and the sponge Amphimedon viridis Duchassaing & Michelotti, 1864; 2 65 m (Almeida et al. 2012, as S. cf. brevicarpus; 2018, as S. cf. brevicarpus (green/blue chela); Santos et al. 2012, as S. cf. brevicarpus; Mantelatto et al. 2023; this study).

Remarks: Synalpheus ubatuba belongs to the S. brevicarpus complex (Mantelatto et al. 2023; see remarks in the S. cf. brevicarpus section). The occurrence of S. ubatuba in the Northeast region has been confirmed in localities in southern Bahia (Mantelatto et al. 2023). The present study expands the known bathymetric distribution for the species from 8 (Mantelatto et al. 2023) to 65 m.