Scientific Name
Hymenocephalus longiceps  
Hymenocephalus longiceps長頭膜首鱈
by: Lab of Fish Ecol. and Evo., BRCAS
Author Smith & Radcliffe, 1912 Depth 490 - 570M
Chinese 長頭膜首鱈 Poisonous Fish No 
Family_Chinese 鼠尾鱈科 Economic Fish No 
Family F215 Macrouridae Edible Fish Yes  Chinese In Mainland China 長頭膜首鱈 
Max Length   Aquarium Fish No  Common Name 鱈魚 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan South West、North East、ShaoLiuChew 
Habitats Deep Sea、Coastal  Holotype Locality Off southeastern Luzon Island, Philippines, Albatross station 5459, depth 201 fathoms 
Reference 1. Fishes of Japan(Nakabo, 2013); 2. Iwamoto, T. and A. Williams 1999. Grenadiers (Pisces, Gadiformes) from the continental slope of western and northwestern Australia. Proceedings of the California Academy of Sciences v. 51(no. 3): 105-243.  Smith H. M. etc. 1912 Okamura, O. 1970 Okamura, O. 1970 
Specimen List ASIZP0060321. ASIZP0061235. ASIZP0061236. ASIZP0061646. ASIZP0062270. ASIZP0065546. ASIZP0065554. ASIZP0065563. ASIZP0065589. ASIZP0065606. ASIZP0066269. ASIZP0066373. ASIZP0066739. ASIZP0066797. ASIZP0066836. ASIZP0066867. ASIZP0066879. ASIZP0067841. ASIZP0067949. ASIZP0068031. ASIZP0068192. ASIZP0068312. ASIZP0068389. ASIZP0070243. ASIZP0801535. ASIZP0803602. ASIZP0803710. ASIZP0803792. ASIZP0803953. ASIZP0900299. ASIZP0911535. ASIZP0913602. ASIZP0913710. ASIZP0913792. ASIZP0913953. FRIP00562. FRIP03048. ...List all 40 records... 
Common Name Grenadier; rattail 
Redlist Status NL Not in IUCN Redlist     
Characteristic Macrourines with 7 branchiostegal rays. Head large, cavernous; head covering thin of membranous; mouth large, subterminal; gill openings and outer gill slit rather wide; anus immediately before anal fin origin. Striae, consisting of fine parallel black lines over silvery ground on isthmus, shoulder girdle, and chest. Light organ tubular; 2 lenslike windows, one before pelvic fin bases, the other before anus. Scales large, decidulus; scales with short fine spinules. Retia mirabilea and gas glands 2. Second dorsal spine wholly smooth; snout more normal, without platelike processes; outer pelvic ray with filamentous tip; 14 or more inner gill rakers on lower limb of first arch; orbit large, 2.5 to 3.5 times in head; barbel longer than orbit diameter; pelvic fins with 8 rays; barbel less than 2/3.
habitats Benthopelagic fishes in the deep sea. A rare species of macrourids from the upper continental slope off northwestern Taiwan at depths between 400m and 800m. Food of these fishes consists of a wide range of fish and both benthic and pelagic invertebrates. 
Distribution northeastern Taiwan, Tashi ; 24 54'63"N, 122 03'49"E; Nanfanao, 24°32, 20' N 122°30, 20'E.