Scientific Name
Pentaceros japonicus  
Pentaceros japonicus日本五棘鯛
by: Lab of Fish Ecol. and Evo., BRCAS
Author Steindachner, 1883 Depth 100 - 600M
Chinese 日本五棘鯛 Poisonous Fish No 
Family_Chinese 五棘鯛科 Economic Fish Yes 
Family F396 Pentacerotidae Edible Fish Yes  Chinese In Mainland China 日本五棘鯛 
Max Length 25 cm  Aquarium Fish Yes  Common Name 五棘鯛、旗鯛 
Distribution in World Australia   Distribution in Taiwan North East 
Habitats Deep Sea、Coral  Holotype Locality Tokyo, Japan 
Reference 吳(2002)碩士論文  Steindachner, F. etc. 1883 Zama, A. etc. 1977 
Specimen List ASIZP0058254. ASIZP0058825. ASIZP0060913. ASIZP0061038. ASIZP0061542. ASIZP0063127. ASIZP0063547. ASIZP0065166. ASIZP0065167. ASIZP0065874. ASIZP0065906. ASIZP0800699. ASIZP0800937. ASIZP0800944. ASIZP0800945. ASIZP0805633. ASIZP0805634. ASIZP0910699. ASIZP0910937. ASIZP0910944. ASIZP0910945. CAS214616. FRIP00828. NMMBP02872. NMMSTP00965. NMNSF00333. NTOU-AE6238. NTOU-AE6239. NTUM06396. NTUM07076. NTUM07257. NTUM08206.  
Barcode2012-01-02,柯慧玲,CO1,100% 2012-01-02,柯慧玲,CO1,100% 2012-01-02,柯慧玲,CO1,100% 2012-01-08,柯慧玲,CO1,100%
Common Name Japanese armorhead; Japanese boarfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body moderately elongate, and compressed. Head mostly naked, the bones exposed and rugose. Mouth small; maxillary not reaching to below anterior margin of eye. Both jaws and prevomer with villiform teeth. Palatine toothless. Gill rakers short, first gill arch with 6 to 8 rakers on upper limb, 15 to 17 on lower limb. Dorsal fin moderately high; dorsal-fin spines XI, and dorsal-fin rays 13 to 15; anal fin with IV-V spines and 8 to 10 soft rays; caudal fin slightly emarginate; pectoral-fin rays 16 to 18. Scales small to moderate, ctenoid; lateral-line pores 46 to 56. Body greyish-brown, paler on ventral side. Juveniles have irregular dark markings on body.
habitats Usually found inshore on reefs or on rough bottom of the outer continental shelf and upper slope at depths of 100 to 400 m. 
Distribution Known only in the Western Pacific from southern Japan to Australia and New Zealand. It is found only in the northeastern Taiwanese waters. 
Utility No commercial value.