Southern Sailfin Anthias, Rabaulichthys squirei Randall & Walsh 2010

Other Names: Coral Sea Sailfin Anthias

Holotype of Rabaulichthys squirei at Flinders Reef in the Coral Sea - a male, QM I.38237. Source: Fenton Walsh / FishBase. License: All rights reserved

A slender anthias with a long snout and a tall anterior dorsal fin in males. The body is reddish overall with pale scale centres, a series of irregular reddish-brown bars along the sides, a pale-edged rusty brown band from the snout through the eye and across cheek, and black pelvic fins with red fin rays, other fins pinkish to yellow. Females are reddish, with greyish-white marblings.

Cite this page as:
Bray, D.J. 2018, Rabaulichthys squirei in Fishes of Australia, accessed 08 Dec 2022,

Southern Sailfin Anthias, Rabaulichthys squirei Randall & Walsh 2010

More Info


Known only from Flinders, Flora and Holmes reefs in the Coral Sea off Queensland, and also off New Caledonia. Small groups feeds on zooplankton over open areas or above coral rubble.


Dorsal fin X,16; Anal fin III,7; Pectoral fin 19-21; Lateral-line scales 51-59; Gill rakers 9 + 23-24; Vertebrae 26. 
Body depth 23.8-25.3% SL; head length 28.5-30.6% HL; snout length 6.8-7.4% SL; longest dorsal spine of mature males 28.7-31.3% SL; caudal fin of mature males 31.8-35.8% SL.


Pale red with pale scale centres, a series of indistinct reddish-brown bars of unequal width along the side (bars without pale margins); an oblique, pale-edged, brownish orange band from snout through eye and across cheek; pelvic fins black with red rays; remaining fins pink to yellowish; no black band in soft portion of dorsal fin.


Named  squirei for Cadel Squire who collected most specimens in the type series.

Species Citation

Rabaulichthys squirei Randall & Walsh, 2010, Mem. Qld Mus. | Nature 55(1): 207, Figs. 1A-D. Type locality: Flinders Reef, north end, 17°24'01"S, 148°25'03"E, Coral Sea, depth 54 m.


Bray, D.J. 2018


Australian Faunal Directory

Southern Sailfin Anthias, Rabaulichthys squirei Randall & Walsh 2010


Randall, J.E. & F. Walsh. 2010. Rabaulichthys squirei, a new species of sailfin anthias (Serranidae: Anthiinae) from the Coral Sea. Memoirs of the Queensland Museum Nature 55(1): 205-211.

Quick Facts

CAAB Code:37311194

Depth:6-54 m

Fishing:Aquarium fish (rare)

Habitat:Reef associated

Max Size:6 cm SL

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