Scientific Name
Lethrinus haematopterus  
Lethrinus haematopterus正龍占魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Temminck & Schlegel, 1844 Depth 1 - 80M
Chinese 正龍占魚 Poisonous Fish No 
Family_Chinese 龍占魚科 Economic Fish Yes 
Family F377 Lethrinidae Edible Fish Yes  Chinese In Mainland China 紅鰭裸頰鯛 
Max Length 45 cm  Aquarium Fish No  Common Name 白龍占、龍尖、連占、龍占(澎湖)、紅鰭龍占(澎湖) 
Distribution in World Japan to South China Sea   Distribution in Taiwan West、South、PonFu 
Habitats Coral、Benthos、Estuary、Coastal  Holotype Locality Japan 
Synonyms Gymnocranius griseus, Lethrinus genivittatus, Lethrinus kallopterus, Lethrinus richardsoni, Lethrinus richardsonii   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.5(FAO, 2001) 
Specimen List ASIZP0055401. ASIZP0055661. ASIZP0055662. ASIZP0055689. BPBMI23152. FRIP00630. NMMBP04467. NMMBP05275. NMMSTP00577. NTMP1263. NTUM06458. SU7985. USNM00177439.  
Common Name Chinese emperor; Common lenjan; Emperor fish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays X, 9; anal-fin rays III, 8; pectoral-fin rays13. Body depth 2.29 to 2.51 times in standard length. Body color is olive-gray with scattered irregular dark blotches. The head is gray, sometimes there are two blue stripes radiating forward from the eye. The fins are pale or gray, the dorsal with a reddish edge.
habitats Inhabits shallow sandy, coral rubble, mangroves, lagoons, channel and seagrass areas inshore and adjacent to coral reefs. Found solitary or in small schools. Feeds on polychaetes, crustaceans, mollusks, echinoderms and small fish. 
Distribution Northwest Pacific: restricted to waters around southern China and southern Japan. Taiwan: South, Penghu, West.  
Utility Commercial fishery species.