Scientific Name
Epinephelus polyphekadion  
Epinephelus polyphekadion清水石斑魚
by: ©Murdy, Edward O.
Author (Bleeker, 1849) Depth 1 - 30M
Chinese 清水石斑魚 Poisonous Fish Yes 
Family_Chinese 鮨科 Economic Fish Yes 
Family F338 Serranidae Edible Fish Yes  Chinese In Mainland China 清水石斑魚 
Max Length 90 cm  Aquarium Fish No  Common Name 石斑、過魚、罔仔、鱠仔(澎湖)、杉斑(香港) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan South、LanI Is.、Nan Sa IS. 
Habitats Benthos、Coastal  Holotype Locality Seychelles, Zanzibar 
Synonyms Epinephelus goldmani, Epinephelus microdon, Epinephelus polyhekadion, Serranus dispar var. b, Serranus goldmanni, Serranus microdon, Serranus polyphekadion   
Reference Fishes of the Great Barrier Reef and Coral Sea(Randall et al.,1990);The Live Marine Resources of the Western Central Pacific, Vol.4(FAO,1999)  Randall, J. E., G. R. Allen etc. 1990 Heemstra, P.C. etc. 1993 Carpenter, K. E. etc. 1999 
Specimen List
Common Name Small-toothed rockcod; Small-toother cod; Camouflage grouper; Camouflage rockcod; Camouflage groper; Marble grouper; Flowery grouper; Marbled sea bass; Marbled grouper 
Redlist Status NL Not in IUCN Redlist   IUCN Group  
Characteristic Dorsal fin with XI spines and 14 or 15 rays, the third or fourth spine longest, its length contained 2.7 to 3.3 times in head length and distinctly shorter than longest dorsal-fin ray, the interspinous membranes moderately incised; anal fin with III spines and 8 rays; pectoral-fin rays 16 to 18; pectoral-fin length contained 1.7 to 2.1 times, pelvic-fin length contained 1.9 to 2.4 times in head length; caudal fin rounded. Lateral-body scales ctenoid, with auxiliary scales. Lateral-line scales 47 to 52; lateral-scale series 95 to 113.
habitats E. polyphekadion is almost always found in clear water on coral reefs, either in lagoons or on the outer reef; it is most abundant at islands, particularly atolls. It feeds mainly on crustaceans (primarily portunid crabs, but also some scyllarid an 
Distribution E. polyphekadion is widely distributed in the tropical and subtropical Indo-West Pacific region from the Red Sea and east coast of Africa to FrenchPolynesia. In the western Pacific it ranges from southern Japan to southern Queensland and Lord Howe Island. 
Utility E. polyphekadion was formerly common in the markets of Zanzibar and probably throughout its range.