Scientific Name
Psednos balushkini

Common Name
Palemouth snailfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 49-50; Anal spines: 0; Anal soft rays: 43; Vertebrae: 57. Caudal-fin rays 6; depth at occiput 111-123% HL; pectoral fin distinctly notched; 3 notched pectoral radials, with 2 fenestrae; gill opening extending ventrally in front of two pectoral rays; opercular lobe small but distinct; rays of lower pectoral-fin lobe shorter than in the upper; pyloric caeca of similar length, slightly dotted at bases; orobranchial cavity pale scarcely dotted, tongue pale, peritoneum light brown or paler; gill arches not dotted (Ref. 42734).

Classification

Classified By

Stein, Chernova & Andriashev, 2001

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Snailfishes (Liparidae)

Distribution

Region

Southwest Pacific

Distribution

Southwest Pacific: Tasman Sea off New South Wales, Australia.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

914 m

Depth To - meters

978 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 914 - 978 m (Ref. 42734)

Trophic Level

3.31 s.e. 0.46 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

8.4 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 (11 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