Scientific Name
Psednos groenlandicus

Common Name
Greenland dwarf snailfish

Biology
Dorsal soft rays (total): 41; Vertebrae: 47. No coronal pore, 6 preoperculo-mandibular pores and 1 suprabranchial pore; short mouth cleft (reaching to below anterior margin of eye), upper jaw short 10.6-12.6% SL); vertical gill slit about equal to eye diameter and placed low, pectoral notch with usually 2 rays, and with slight blackish pigmentation at end of caudal part of body and along vertebrae.

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: Davis Strait.

Range

63°N - 65°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

930 m

Depth To - meters

1055 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 930 - 1055 m (Ref. 42989)

Trophic Level

3.22 s.e. 0.45 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

5.3 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