Softskin smooth-head (Rouleina attrita) fish species and information / pictures of Softskin smooth-head - Rouleina attrita

Softskin smooth-head (Rouleina attrita) fish species information

Scientific Name
Rouleina attrita

Common Name
Softskin smooth-head

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 18-21; Anal spines: 0; Anal soft rays: 18 - 21

Classification

Classified By
Vaillant, 1888
Class
Ray-finned fishes (Actinopterygii)
Order
Smelts (Osmeriformes)
Family
Slickheads (Alepocephalidae)

Distribution

Region
Circumglobal, widely distributed in the Atlantic, most Indian Ocean submarine ridges, Subantarctic, North Pacific and tropical western and eastern Pacific.
Distribution
Circumglobal, widely distributed in the Atlantic, most Indian Ocean submarine ridges, Subantarctic, North Pacific and tropical western and eastern Pacific.
Range
65°N - 36°S, 180°W - 180°E

Environment

Climate
Deep-water
Water Temperature From
3 °C
Water Temperature To
3 °C
Depth From - meters
450 m
Depth To - meters
2300 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range 450 - 2300 m (Ref. 50610)
Trophic Level
3.4 s.e. 0.44 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
48.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5010 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
High vulnerability (63 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated