Blackchin dwarf snailfish (Psednos barnardi) fish species and information / pictures of Blackchin dwarf snailfish - Psednos barnardi

Blackchin dwarf snailfish (Psednos barnardi) fish species information

Scientific Name
Psednos barnardi

Common Name
Blackchin dwarf snailfish

Biology
Dorsal soft rays (total): 39-41; Vertebrae: 47. No coronal pore, 6 preoperculo-mandibular pores, small eye (18% HL), gill slit 1.6 eye diameter, short mouth (cleft reaching to below anterior margin of eye). Caudal part of body unpigmented, skin on chin and lower jaw black.

Classification

Classified By
Chernova, 2001
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Snailfishes (Liparidae)

Distribution

Region
Northwest Atlantic
Distribution
Northwest Atlantic: near southeast slope off New England, USA.
Range
Unknown

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
750 m
Depth To - meters
1368 m
Zone
bathydemersal
Environment
Marine; bathydemersal; depth range 750 - 1368 m (Ref. 42989)
Trophic Level
3.14 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
3.4 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
Low vulnerability (10 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated