Scientific Name
Asterorhombus cocosensis
Asterorhombus cocosensis可哥群島角鮃
by: ©The Food and Agriculture Organization of the United Nations (FAO)
Author (Bleeker, 1855) Depth 0 - 1000M
Chinese 可哥群島角鮃 Poisonous Fish No 
Family_Chinese 鮃科 Economic Fish No 
Family F494 Bothidae Edible Fish Yes  Chinese In Mainland China 可哥群島角鮃 
Max Length 15 cm  Aquarium Fish No  Common Name 菲濟角鮃、扁魚、皇帝魚、半邊魚、比目魚 
Distribution in World India Ocean to Pacific Ocean   Distribution in Taiwan Nan Sa IS. 
Habitats Coral、Benthos、Coastal  Holotype Locality Fiji Is. 
Synonyms Asterorhombus fijiensis, Asterorhombus intermedius, Engyprosopon cocosensis, Engyprosopon fijiensis, Platophrys cocosensis, Rhombus cocosensis   
Reference Records of the genus Asterorhombus (Family: Bothidae) and its two species from northern Taiwan and Taiping Island(Lin, Shao & Shen ,1995);The Live Marine Resources of the Western Central Pacific, Vol.6(FAO, 2001)  Norman, J. R. 1931 Amaoka, K etc. 1994 Lin, Pai-Lei etc. 1995 
Specimen List ASIZP0057101.  
Common Name Angler flatfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays 80-83; anal-fin rays 59-64; pectoral-fin rays 12. First dorsal spine modified into a "fishing rod and lure" similar to structure found in frogfishes. Body depth 1.7 to 1.9 times in standard length. Shows sexual dimorphism in width of the interorbital origin, wider in males than females. Interorbital width in head length 3.7 to 5.8 in males, 5.8 to 9 times in females in standard length. First dorsal-fin ray with distinct membranous structure at tip.
habitats Lives on coral-sand bottoms around and within coral reefs. Waves illicium and esca back and forth near mouth to attract prey. Feeds on small crustacean, possibly a small hippolytid shrimp. 
Distribution Indo-Pacific: western Indian Ocean, Ryukyu Islands, the Philippines, Flores Sea, Banda Sea, Palau, western Australia, northern Great Barrier Reef, and the Fiji Islands. Taiwan: Nan-Sa. 
Utility Rare species. Most frequently collected by divers.