Bigcheek snailfish (Psednos whitleyi)

Scientific name: Psednos whitleyi Stein, Chernova & Andriashev, 2001

The Bigcheek snailfish (Psednos whitleyi) is a marine fish of the family Liparidae. Native range: Eastern Indian Ocean, off northwest Tasmania, Australia.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 48; Anal spines: 0; Anal soft rays: 41; Vertebrae: 56. Caudal-fin rays 6; 3 pectoral radials, two upper radials notched, a large fenestra between them; depth at occiput 106% HL; gill opening extending ventrally in front of 4-5 pectoral-fin rays; opercular lobe small but distinct, protruding as a right angle; tongue light dusky; orobranchial cavity dusky, black-dotted; peritoneum and stomach black, anterior part of intestine dark brown to black; pyloric caeca short, similar in length, 3.5-4.5% SL, all dark-dotted; gill arches without melanophores.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Psednos whitleyi
Family
Liparidae (Snailfishes)
Order
Scorpaeniformes (Scorpionfishes and Flatheads)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.1
Depth range
900–920 m (2953–3018 ft)
Environment
Marine; bathydemersal; depth range 900 - 920 m
Climate
Deep-water
Distribution
Eastern Indian Ocean: off northwest Tasmania, Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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