Synalpheus pandionis Coutière, 1909

Paixão, Pedro Henrique, Terossi, Mariana, Pasinatto, Karmine, Bochini, Gabriel Lucas & Almeida, Alexandre Oliveira, 2025, Shrimps of the genus Synalpheus Spence Bate, 1888 (Decapoda: Alpheidae) from Northeast Brazil region, Zootaxa 5666 (1), pp. 1-52 : 33

Synalpheus pandionis Coutière, 1909

Material examined: Pernambuco — Continental Shelf off Recife : 1 M, 07.ii.2018, 8°08′43.7′′S 34°34′22.6′′W, 54.0 m depth, MOUFPE 21546 ; Recife : 2 M, 08°09′7′′S 34°45′0′′W, 31.5 m depth, MOUFPE 15389 .

Description: Coutière (1909), Dardeau (1984), Ríos & Duffy (2007), and Anker et al. (2012).

Distribution: USA (Florida), Gulf of Mexico, Bahamas, Cuba, Mexico, Honduras, Panama, Puerto Rico, Virgin Islands, Curaçao, Barbados, and Brazil (Ceará and Pernambuco) ( Anker et al. 2012 and references therein; Cházaro-Olvera et al. 2017; this study).

Ecology: Shallow reefs and marine substrates, in sponges [ Lissodendoryx cf. strongylata van Soest, 1984 , L. colombiensis , Agelas clathrodes ( Schmidt, 1870) , H. intestinalis , E. ferox , and A. crassa ]; in heterosexual pairs; shallow waters to 80 m ( Ríos & Duffy, 2007; Anker et al. 2012; Cházaro-Olvera et al. 2017; De Grave & Anker 2017).

Remarks: S. pandionis was previously known from Brazil based on a single record from Ceará ( Anker et al. 2012). Here, we extend its southern range in the western Atlantic.