Scientific Name
Lethrinus olivaceus  
Lethrinus olivaceus尖吻龍占魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Valenciennes, 1830 Depth 1 - 185M
Chinese 尖吻龍占魚 Poisonous Fish No 
Family_Chinese 龍占魚科 Economic Fish Yes 
Family F377 Lethrinidae Edible Fish Yes  Chinese In Mainland China 尖吻裸頰鯛 
Max Length 100 cm  Aquarium Fish No  Common Name 豬哥仔、龍尖、海豬哥(澎湖)、豬哥撬(澎湖)、青嘴鳥(澎湖) 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan East、South、North、North East、PonFu、ShaoLiuChew、LanI Is.、Greeb IS. 
Habitats Coral、Benthos、Coastal、Lagoon  Holotype Locality Sunda Strait, near Antjer, Java, Indonesia 
Synonyms Lethrinus elongatus, Lethrinus longirostris, Lethrinus miniatus, Lethrinus rostratus, Lethrinus rostratus specificus, Lethrinus waigiensis, Lethrinus xanthopterus   
Reference 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.5(FAO, 2001)  Cuvier, G. etc. 1830 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0060714. ASIZP0067552. ASIZP0071494. ASIZP0073040. ASIZP0073041. ASIZP0078374. ASIZP0802754. ASIZP0805826. ASIZP0807145. ASIZP0912754. ASIZP0915826. ASIZP0917145. FRIP00582. FRIP20395. FRIP22307. NMMBP02184. NMNSF00106.  
Common Name Smalltooth emperor; Pig face bream emperor; Longnose pigface bream; Longnose emperor; Longface emperor; Long-nosed emperor; 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 3.1 times in standard length. Probably the largest, longest-snouted lethrinid. Crimson cast on face and fins may develop in large courting males. Body color is gray, becoming lighter ventrally, often with scattered irregular dark blotches. The snout has wavy dark streaks. The upper jaw, especially near the corner of the mouth, is sometimes edged with red.
habitats Largest and the longest-snouted lethrinid. Found in sandy coastal areas, lagoons, and reef slopes. Juveniles are found in shallow sandy areas. Often occurs in large schools. Adults deep along coastal slopes and drop-offs, usually solitary. Feeds mainly on 
Distribution Indo-West Pacific: Red Sea and East Africa to Samoa, north to the Ryukyu Islands. Taiwan: South, Hsiaoliuchiu, Penghu, Lanyu, Lyudao, North, East, North-East. 
Utility Commercial fishery species.