Scientific Name
Lethrinus erythracanthus  
Lethrinus erythracanthus紅棘龍占魚
by: ©Randall, John E.
Author Valenciennes, 1830 Depth 18 - 120M
Chinese 紅棘龍占魚 Poisonous Fish Yes 
Family_Chinese 龍占魚科 Economic Fish Yes 
Family F377 Lethrinidae Edible Fish Yes  Chinese In Mainland China 紅棘裸頰鯛 
Max Length 70 cm  Aquarium Fish No  Common Name 龍尖、龍尖(澎湖) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan PonFu、Tung Sa IS.、Nan Sa IS. 
Habitats Coral、Benthos、Coastal、Lagoon  Holotype Locality Luganor, Marianas Is. 
Synonyms Lethrinus cinnabarinus, Lethrinus kallopterus   
Reference 陳春暉 (1998), 水產學會摘要;The Live Marine Resources of the Western Central Pacific, Vol.5(FAO, 2001)  Cuvier, G. etc. 1830 
Specimen List
Common Name Orange-spotted emperor; Orangefin emperor; Orange fin emperor; Thumprint emperor; Sweetlips; Yellow-spotted emperor; Emperor 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays X, 9; anal-fin rays III, 8; pectoral-fin rays 16-17. The largest species of Lethrinus. Deep body, blunt snout with orange spots, and bright orange rounded fins of adults are distinctive. The caudal fin is only slightly forked with tips becoming rounded in adults. Body is brown dark gray, with indistinct scattered small dark and light stripes sometimes on lower sides. The head is brown or gray, often with small orange spots on the cheeks in small adults. The Pectoral and Pelvic fins are white to orangish. The dorsal and anal fins are mottled orange and bluish. The caudal fin is often bright orange, especially in sub adults.
habitats Occurs in deep lagoons and channels, outer reef slopes and adjacent soft bottom areas. Solitary in or near ledges or caves by day. Feeds on echinoderms, crustaceans, mollusks. May be ciguatoxic in some areas. Marketed fresh. 
Distribution Indo-Pacific: East Africa, Seychelles, Chagos, and Maldives, to Thailand, Philippines, Ryukyus, Micronesia, northeastern Australia, Samoa, Society and Tuamoto Islands. Taiwan: Penghu. 
Utility Commercial fishery species.