Longsnout slickhead (Alepocephalus longirostris) fish species and information / pictures of Longsnout slickhead - Alepocephalus longirostris

Longsnout slickhead (Alepocephalus longirostris) fish species information

Scientific Name
Alepocephalus longirostris

Common Name
Longsnout slickhead

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 17-19; Anal spines: 0; Anal soft rays: 18 - 21. Pored scales in lateral line less than 60. Frontal bone flat above the eye, not forming ridge. Snout not spatulate, but pointed anteriorly, shorter than 1.5 times orbit diameter. Palatine teeth minute.

Classification

Classified By
Okamura & Kawanishi, 1984
Class
Ray-finned fishes (Actinopterygii)
Order
Smelts (Osmeriformes)
Family
Slickheads (Alepocephalidae)

Distribution

Region
Northwest Pacific
Distribution
Northwest Pacific: known only from the Ryukyu Trough.
Range
Unknown

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1000 m
Depth To - meters
1140 m
Zone
bathydemersal
Environment
Marine; bathydemersal; depth range 1000 - 1140 m (Ref. 58018)
Trophic Level
3.38 s.e. 0.47 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
24.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Moderate vulnerability (42 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated