Scientific Name
Cymbacephalus beauforti  
Cymbacephalus beauforti博氏孔牛尾魚
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Author (Knapp, 1973) Depth 1 - 8M
Chinese 博氏孔牛尾魚 Poisonous Fish No 
Family_Chinese 牛尾魚科 Economic Fish No 
Family F313 Platycephalidae Edible Fish Yes  Chinese In Mainland China 博氏孔鯒 
Max Length 50 cm  Aquarium Fish No  Common Name 竹甲、狗祈仔、牛尾 
Distribution in World Australia   Distribution in Taiwan South、North East 
Habitats Coral、Benthos、Coastal  Holotype Locality Off Urukthapel Island, Palau Islands, Garamejo region, Ngaremedin District, Pacific, 7°15'15"N, 134°26'51"E 
Synonyms Platycephalus beauforti   
Reference 1. Myers, R.F., 1991. Micronesian reef fishes.. Second Ed. Coral Graphics, Barrigada, Guam. 298 p.;2. Knapp, L. W. 1999. Family Platycephalidae. In: Carpenter and Niem (ed). Species identification guide for fisheries purposes. The living marine resources of the western central Pacific. Bony fishes part 2 (Mugilidae to Carangidae). FAO, Rome. v. 4: iii-v; 2069-2790.  Leslie W. Knapp 1973 
Specimen List ASIZP0057069.  
Common Name Crocodile fish; De Beaufort's flathead 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal fin with IX-X spines and 11 soft rays; anal fin with 11 soft rays. Small juveniles all black, gradually changing to the blotched pattern of the adult. Rear edge of maxilla ends well in front of eye. Prominent pit present behind upper eye. Preopercular spines short, usually 2, subequal. Infraorbital ridge usually smooth over eye. Suborbital ridge largely smooth, bearing 2 spines below eye. Oblique scale rows slanting backward above lateral line more or less equals number of lateral-line scales. Dermal papillae (10-12 in adults) on upper eye, some simple, some branched, longest not reaching supraorbital ridge. Interopercular flap usually broader than long, with several subdivisions.
habitats Inhabit sand or rubble substrates of sheltered or semi-exposed reefs to a depth of at least 8 m. Well camouflaged on reefs. 
Distribution Western Pacific: Philippines, Borneo, Moluccas, Papua New Guinea, New Caledonia, Palau, and Yap Island to Ishigaki Island. Range extended to Mentawai Islands (Indonesia) and Taiwan. 
Utility Not commercial food species.