Rough Velvetfish, Xenaploactis cautes Poss & Eschmeyer 1980

Illustration of the holotype of the Rough Velvetfish, Xenaploactis cautes, CAS 16105 (28.0 mm SL), 28.6 km from Goh Chuang, Gulf of Thailand, depth 33 m. Source: Poss & Eschmeyer (1980) Proc. Cal. Acad. Sci. 42(8): fig 5 / Biodiversity Heritage Library. License: CC BY Attribution

Cite this page as:
Bray, D.J. 2017, Xenaploactis cautes in Fishes of Australia, accessed 08 Feb 2023,

Rough Velvetfish, Xenaploactis cautes Poss & Eschmeyer 1980

More Info


Off Dampier to NE of Rowley Shoals, Western Australia, and the Gulf of Carpentaria, Queensland. Elsewhere the species occurs in the Andaman Sea and Gulf of Thailand, east-Indian Ocean.


Dorsal fin III, XI, 7–8; Anal fin I, 8; Pectoral fin 14–1; Pelvic fin I, 3; Lateral-line tubes 10; Gill-rakers 2–3+7; Vertebrae 27-28. 
Body depth 25.6–30.7% SL; interorbital ridges almost parallel, stronger posteriorly. Lachrymal with 3 strong sharp spines, the first of moderate size, points mostly forward, continuous with ridge at base of larger 2nd spine (about equal in length to 3rd), directed downward, slightly curved; 3rd spine points mostly back. Second infraorbital bone with 2 spines, 1 above other, with obscure circular lateral line pore.


Xenaploactis is from the Greek, xenos meaning 'strange', aplos meaning 'double' and aktis, -inos meaning 'ray'. The specific name is from the Latin cautes meaning a rough, pointed rock.

Species Citation

Xenaploactis cautes Poss & Eschmeyer, 1980, Proc. Cal. Acad. Sci. 42(8): 291, figs 4, 5. Type locality: 28.6km from Goh Chuang, Gulf of Thailand, ( 12°19'15"N, 100°43'40"E) 33m.


Bray, D.J. 2017


Australian Faunal Directory

Rough Velvetfish, Xenaploactis cautes Poss & Eschmeyer 1980


Johnson, J.W. 2004. Two new species and two new records of aploactinid fishes (Pisces: Scorpaeniformes) from Australia. Records of the Australian Museum 56(2): 179-188. DOI: 10.3853/j.0067-1975.56.2004.1421  PDF available Open access

Poss, S.G. & Eschmeyer, W.N. 1980. Xenaploactis, a new genus for Prosopodasys asperrimus Günther (Pisces: Aploactinidae), with descriptions of two new species. Proceedings of the California Academy of Sciences 42(8): 287-293. Ref at BHL

Quick Facts

CAAB Code:37290018

Depth:33-110 m

Habitat:Soft bottoms

Max Size:2.9 cm SL

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