Scientific Name
Genicanthus watanabei  
Genicanthus watanabei渡邊頰刺魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Yasuda & Tominaga, 1970) Depth 1 - 20M
Chinese 渡邊頰刺魚 Poisonous Fish No 
Family_Chinese 蓋刺魚科 Economic Fish No 
Family F394 Pomacanthidae Edible Fish No  Chinese In Mainland China 渡邊月蝶魚 
Max Length 15 cm  Aquarium Fish Yes  Common Name 渡邊氏神仙、神仙(臺東) 
Distribution in World Middle West Pacific Ocean   Distribution in Taiwan LanI Is.、Greeb IS. 
Habitats Coral、Coastal  Holotype Locality Ryukiu Is. 
Synonyms Holacanthus watanabei   
Reference 臺灣魚類誌(沈等, 1993) 
Specimen List FRIP21454. NMMBP00611. NTUM01413. NTUM02390. NTUM02391. NTUM02392. NTUM02394. NTUM02396. NTUM02397. NTUM02398. NTUM02691. NTUM02692. NTUM02693. NTUM02694. NTUM02695.  
Common Name Watanabe's angelfish; Blackedged angelfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body moderately elongate, and strongly compressed. Preorbital bone convex and without strong spines. 1 prominent spines at angle of preopercle. Ventral edge of interopercle serrated. Eye moderately small. Mouth small, terminal, protractile, gape not extending to anterior rim or orbit. Scale on middle of body with focus on exposed portion. Anterior edge of lachrymal strongly serrated. Dorsal fin with XV spines and 15 soft rays; anal fin with III spines and 17soft rays; caudal fin lunate. Males light blue with 8 black stripes on the lower 2/3 of the body (the posterior end of the uppermost yellow, the lowermost stripes extending the adjacent anal fin); females light blue with a vertical black bar above the eye and spots on the forehead; both sexes with a broad submarginal band on the dorsal and anal fins; females with broad submarginal band on the caudal-fin lobes.
habitats Occurs in current-swept outer reef slopes and drop-offs offs at depths of 30 to 70 m. Feeds on plankton. Forms harems of 2-5 individuals. 
Distribution Distributed in the western Pacific Ocean from the Ryukyu Islands, south to New Caledonia and the Great Barrier Reef; including Cook Islands, Tuamoto Archipelago, and Pitcairn. It is found in lanyu and Lyudao, soutneastern Taiwan. 
Utility Marine aquarium fish.