Scientific Name
Ratabulus megacephalus  
Ratabulus megacephalus犬齒牛尾魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Tanaka, 1917) Depth 5 - 70M
Chinese 犬齒牛尾魚 Poisonous Fish No 
Family_Chinese 牛尾魚科 Economic Fish No 
Family F313 Platycephalidae Edible Fish Yes  Chinese In Mainland China 犬牙鯒 
Max Length 35 cm  Aquarium Fish No  Common Name 竹甲、狗祈仔、牛尾 
Distribution in World Australia   Distribution in Taiwan West、South、South West、North East 
Habitats Benthos、Coastal  Holotype Locality Fish market in Tokyo, Japan 
Synonyms Cociella crocodila, Ratabulus diversidens, Ratabulus megacephalua, Thysanophrys megacephalus   
Reference 1. 臺灣魚類誌(沈等, 1993);2. Myers, R.F., 1991. Micronesian reef fishes.. Second Ed. Coral Graphics, Barrigada, Guam. 298 p.;3. 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;4. Shao, K. T. and J. P. Chen, 1987. Fishes of the family Platycephalidae (Teleostei: Platycephaloidei) of Taiwan with descriptions of two new species. Bull. Inst. Zool. Acad. Sin. 26(1):77-94.  Tanaka, S. 1917 Masuda, H., K. Amaoka, C. Araga, T. Uyeno, etc. 1984 Shao, K.-T. etc. 1987 沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List ASIZP0056029. ASIZP0057070. ASIZP0060601. ASIZP0061729. ASIZP0062353. ASIZP0062354. ASIZP0062355. ASIZP0063644. ASIZP0070398. ASIZP0070406. ASIZP0074567. ASIZP0900349. CAS214653. NMMBP02546. NMMBP02789. NMMBP03767. NMMSTP01696. NMNSF00988.  
Barcode2015-10-23,Chia-Hao Chang,CO1,%
Common Name Flathead 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal fin with I-VIII-I and 11 soft rays; anal fin with 11-12 soft rays; pectoral fin 19-20; lateral line scales 47-54; gill rakers 1+ 6-8. Some of teeth on jaws, prevomer and palatines canine-like, and even depressible. Three preopercular spines, the uppermost one prolonged into a bayonet-shape, the lower one rudimentary. Interopercular flap entirely absent. Caudal fin distinctly truncated.
habitats Inhabit demersal marine environment; depth range 79 - 261 m. Taken by trawling at depths of 79 to 261m. Recorded by Galathea Station 539 as being dredged over gravel. 
Distribution Western Pacific: East China Sea and South China Sea, Taiwan to the Northwest Shelf of Australia, Timor Sea, Coral Sea, and Botany Bay, New South Wales. 
Utility Minor commercial food species.