Chi Wriggler, Xenisthmus chi Gill & Hoese 2004

Chi Wriggler, Xenisthmus chi. Source: A. Gill & D. Hoese, 2004, Records of the Australian Museum, License: All rights reserved

A very rare wriggler with about 11 brown mottled cross-shaped markings along the sides between the pectoral-fin and caudal-fin bases.

Cite this page as:
Dianne J. Bray, Xenisthmus chi in Fishes of Australia, accessed 21 Apr 2024,

Chi Wriggler, Xenisthmus chi Gill & Hoese 2004

More Info


Endemic to Australia and known only from Clerke Reef at Rowley Shoals in the Timor Sea.


Meristic features: Dorsal fin VII, 12; Anal fin I, 11; Vertebrae 26.

Predorsal area broadly scaled to just behind vertical through posterior edge of preopercle, a narrow median wedge of scales extending further forward almost to pore D; posterior nostrils without a flap on anterior rim.


Overall pale with brown reticulate mottling  forming about 11 cross-shaped markings along the sides, between the pectoral and caudal-fin bases.

Species Citation

Xenisthmus chi Gill & Hoese, 2004, Rec. Aust. Mus. 56: 242, fig. 1. Type locality: Clerke Reef, Rowley Shoals, Timor Sea, WA (17°18'S, 119°20'E).


Dianne J. Bray

Chi Wriggler, Xenisthmus chi Gill & Hoese 2004


Allen, G.R. & Russell, B.C. 1986. Part VII Fishes. Pp. 79-103 in Berry, P.F. (ed.) Faunal Surveys of the Rowley Shoals, Scott Reef and Seringapatam Reef, northwestern Australia. Records of the Western Australian Museum, Supplement 25: 1-106 (p. 100 as Xenisthmus sp 2)

Gill, A.C. & Hoese, D.F. 2004. Three new Australian species of the fish genus Xenisthmus (Gobioidei: Xenisthmidae). Records of the Australian Museum 56: 241-246.

Quick Facts

CAAB Code:37429059

Depth:0-40 m

Habitat:Reef associated

Max weight:2.2 cm SL


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