Salmoneus setosus Manning & Chace, 1990

Anker, Arthur, 2007, New species and records of alpheid shrimps, genera Salmoneus Holthuis and Parabetaeus Coutière, from the tropical western Atlantic (Decapoda, Caridea), Zootaxa 1653, pp. 21-39 : 32-33

Salmoneus setosus Manning & Chace, 1990

Fig. 6

Salmoneus setosus Manning & Chace, 1990: 17 .

Material examined: 2 ovig. females, MNRJ 17890, Brazil, Atol das Rocas , northeast part of atoll, between Barretão and Barretinha, Pedra de Tartaruga, in calcareous algae, depth 10 m, coll. F.B. Pitombo and R. Barroso, 24 Dec 2000 [1 specimen dissected]; 1 ovig. female, MNHN-Na 13626, Brazil, Fernando do Noronha, coll. Rallier du Baly, 1913.

Description: See Manning & Chace (1990).

Colour: Unknown.

Size: The larger of the two AR specimens has CL 3.1 mm, TL 8.7 mm; the specimen from Fernando do Noronha has CL 3.7 mm, TL 10.2 mm. CL of the Ascension specimens ranged from 1.2 to 2.0 mm ( Manning & Chace, 1990).

Ecology: The specimens from Atol das Rocas were extracted from crevices in calcareous algae that were collected at a depth of 10 m. The type series from Ascension Island was collected in tide pools (probably under rocks or among calcareous algae).

Type locality: Ascension Island.

Distribution: Central Atlantic: Ascension Island ( Manning & Chace, 1990). Western Atlantic: Brazil: Atol das Rocas and Fernando do Noronha (present study).

Figures

FIGURE 6. Salmoneus setosus Manning & Chace, 1990: ovigerous female from Atol das Rocas, Brazil (MNRJ 17890): a—frontal region, dorsal view; b—same, lateral view; c—major cheliped, lateral view; d—same, chela, mesial view; esame, detail of carpus, mesial view; f—minor cheliped, lateral view; g— second pereiopod, lateral view; h—third pereiopod, lateral view; i—uropod, dorsal view, dorsal view; j—telson, dorsal view; k—egg. Scale bars = 1 mm.