Diagnostic Description
provided by Fishbase
Caudal fin very small; anal fin with 161-162 rays altogether, 26-35 of which are spines, long, low, confluent with caudal; pectorals with a fleshy base (Ref. 6885). Cream to faintly pink, possibly with light brown markings; black on posterior margins of anal and caudal fins; black on posterior edge of gill cover, lining of mouth and gill chamber, and parts of peritoneum (Ref. 6885).
- Recorder
- Cristina V. Garilao
Morphology
provided by Fishbase
Dorsal spines (total): 3235; Dorsal soft rays (total): 0; Vertebrae: 242 - 244
- Recorder
- Cristina V. Garilao
Biology
provided by Fishbase
Feeds on benthic invertebrates, especially amphipods, polychaetes and mysids (Ref. 6728).
- Recorder
- Astrid Jarre-Teichmann
分布
provided by The Fish Database of Taiwan
主要分布於西北太平洋、白令海、東南大西洋以及紐西蘭等周邊海域。臺灣主要分布於東北部海域。
利用
provided by The Fish Database of Taiwan
深海魚類，不具經濟價值。
描述
provided by The Fish Database of Taiwan
體細長，如鰻形，偏扁。尾部呈帶狀，尾端細尖。吻端尖長，顯著突出。口較大，下位。體被小圓鱗。背鰭僅具分離之硬棘，共XXXII-XXXV(32-35)；第一背鰭位於胸鰭上方或之前；臀鰭基底長，不具分離棘，後部軟條與尾鰭相連；腹鰭小，具鰭條I+8-9。體一致為淡褐色而略帶藍白色光澤。
棲地
provided by The Fish Database of Taiwan
為棲息於水深1800-3430公尺深的深海魚類，生態習性所知甚少。
Longnose tapirfish
provided by wikipedia EN
The longnose tapirfish (Polyacanthonotus challengeri) is a species of deep-sea spiny eel that lives in bathypelagic environments, and is a host of an endoparasite, Brachyenteron rissoanum[3].[4]
Habitat and distribution
P. challengeri lives in the North and South Pacific, near and in areas such as Japan, Bering Sea, British Columbia, Oregon, New Zealand, and other oceans in areas like South Africa, and the Kerguelen Islands. It has been reported from areas at Azores, Canary Islands, and Morocco.[4]
It lives in depths from 777 to 4560 meters, but is usually found at 2000 to 3000 meters deep, living in benthopelagic areas near hard and soft substrate.[4][5] It feeds on benthic invertebrates such as amphipod crustaceans, polychaete worms, and mysid shrimp.[5]
Specimens of this fish were found near New Zealand, and the Kerguelen Islands.[4]
Description
P. challengeri can grow up to a length of 60 cm. It can have 32 - 35 dorsal spines, with a very small caudal fin, and its anal fin can have 161 - 162 rays altogether, with 26 - 35 being spines, that are low and long, merging with the caudal fin, and its pectoral fins being fleshy at the base.[4]
Conservation
No major threats exist for this species, and there are no conservation actions in place. It has an unknown population, but it is unlikely that this fish will be affected by any disturbances. The IUCN Red List places it as a least concern species.[5]
References
- license
- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors
Longnose tapirfish: Brief Summary
provided by wikipedia EN
The longnose tapirfish (Polyacanthonotus challengeri) is a species of deep-sea spiny eel that lives in bathypelagic environments, and is a host of an endoparasite, Brachyenteron rissoanum.
- license
- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors
Diet
provided by World Register of Marine Species
Feeds on benthic invertebrates, especially amphipods, polychaetes and mysids
North-West Atlantic Ocean species (NWARMS)
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- cc-by-4.0
- copyright
- WoRMS Editorial Board
Habitat
provided by World Register of Marine Species
depth range 1300 - 3700 m
North-West Atlantic Ocean species (NWARMS)
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
Habitat
provided by World Register of Marine Species
nektonic
North-West Atlantic Ocean species (NWARMS)
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
