Red Seaperch, Hypoplectrodes cardinalis Allen & Randall 1990

Red Seaperch, Hypoplectrodes cardinalis. Source: Rudie H. Kuiter / Aquatic Photographics. License: All rights reserved

Pinkish red above, sometimes becoming paler below, with a broad reddish to brown stripe along the upper side running from the snout, above each eye and ending in a dark patch on the caudal peduncle, yellow stripes across the cheek, and pale pinkish fins.
Rarely seen, the Red Seaperch usually shelters upside-down beneath ledges.

Cite this page as:
Bray, D.J. 2018, Hypoplectrodes cardinalis in Fishes of Australia, accessed 22 May 2022,

Red Seaperch, Hypoplectrodes cardinalis Allen & Randall 1990

More Info


Recherche Archipelago to Shark Bay, Western Australia. Inhabits inshore reefs to depths of 35 m.


Dorsal fin X, 19; Anal fin III, 8; Caudal fin 17; Pectoral fin 15–17; Pelvic fin I, 5; Lateral-line scales 41-45.  
Body depth 36–40% SL; head length 42–45% SL; eye diameter ~25% HL; preopercles with 3 large forward directed spines below.

Species Citation

Hypoplectrodes cardinalis Allen & Randall 1990, Revue Française d'Aquariologie et Herpétologie 17(2): 45. (nom. nov. for Ellerkeldia rubra Allen 1976, a junior secondary homonym of Scopularia rubra de Buen, 1959). Type locality: Beacon Island, Houtman Abrolhos, WA. 


Bray, D.J. 2018


Australian Faunal Directory

Red Seaperch, Hypoplectrodes cardinalis Allen & Randall 1990


Allen, G.R. 1976. Descriptions of three new fishes from Western Australia. Journal of the Royal Society of Western Australia 59(1): 24-30 figs 1-3 

Allen, G.R. & Randall, J.E. 1990. Hypoplectrodes cardinalis, a new name for the serranid fish H. ruber (Allen) from southwestern Australia, with discussion of H. semicinctus from Juan Fernandez Islands. Revue Française d'Aquariologie et Herpétologie 17(2): 45-46 

Hutchins, J.B. & Thompson, M. 1983. The Marine and Estuarine Fishes of South-western Australia. Perth : Western Australian Museum 103 pp. 345 figs. 

Kuiter, R.H. 1994. Families Serranidae, Callanthiidae. pp. 528-548 figs 469-485 in Gomon, M.F., Glover, C.J.M. & Kuiter, R.H. (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs. 

Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. A comprehensive reference for divers and fishermen. Sydney, NSW, Australia : New Holland Publishers xvii, 434 pp. 

Kuiter, R.H. 2004. Basslets, Hamlets and their relatives. A comprehensive guide to selected Serranidae and Plesiopidae. Chorleywood, UK : TMC Publishing 1, 216 pp. 

Roberts, C.D. & Gomon, M.F. 2008. Families Polyprionidae, Serranidae and Callanthiidae. pp. 534-549 in Gomon, M.F., Bray, D.J. & Kuiter, R.H. (eds). Fishes of Australia's Southern Coast. Sydney : Reed New Holland 928 pp.

Quick Facts

CAAB Code:37311101


Depth:0-35 m

Habitat:Reef associated

Max Size:10 cm TL


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