Scientific Name
Lethrinus rubrioperculatus  
Lethrinus rubrioperculatus紅鰓龍占魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Sato, 1978 Depth 12 - 160M
Chinese 紅鰓龍占魚 Poisonous Fish No 
Family_Chinese 龍占魚科 Economic Fish Yes 
Family F377 Lethrinidae Edible Fish Yes  Chinese In Mainland China 紅裸頰鯛 
Max Length 50 cm  Aquarium Fish No  Common Name 龍尖、紅龍(澎湖)、豬哥撬(澎湖) 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan East、South、PonFu、Greeb IS.、Tung Sa IS. 
Habitats Coral、Benthos、Coastal  Holotype Locality South Pacific 
Synonyms Lethrinella variegatus   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.5(FAO, 2001)  沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0055490. ASIZP0055688. ASIZP0058757. ASIZP0060271. ASIZP0060631. ASIZP0067350. ASIZP0073997. ASIZP0075101. ASIZP0802824. ASIZP0912824. FRIP00629. FRIP20034. FRIP21253. FRIP21511. NMMBP02187. NMMBP03264. NMMBP05627. NMMBP08532. NMMBP08547. NMMBP08601. NTOU-AE6058. NTUM07275.  
Common Name Red-gilled emperor; Redgill emperor; Red-ears; Red-eared emperor; Spotcheck emperor; Spotcheek emperor 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays X, 9; anal-fin rays III, 8; pectoral-fin rays 13. Body depth 2.94 to 3.18 times in standard length. Body color is olive-gray or brown, with scattered irregular small black blotches. The upper edge of the operculum usually has a red spot. Lips are usually red. Fins are pale or pinkish.
habitats Found over sand and rubble areas of outer reef slopes. Feeds mainly on crustaceans, fish, echinoderms and mollusks. In New Caledonia, spawning peaks are observed in December, and a fairly high percentage of gonads in advanced stages of maturity occurs bet 
Distribution Indo-Pacific: East Africa to southern Japan and the Marquesas. Taiwan: South, East.  
Utility Commercial fishery species.