Darkgill snailfish (Psednos nataliae)

Scientific name: Psednos nataliae Stein & Andriashev, 2001

The Darkgill snailfish (Psednos nataliae) is a marine fish of the family Liparidae. Native range: Eastern Indian Ocean, west coast of Tasmania, Australia.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 50; Anal spines: 0; Anal soft rays: 42; Vertebrae: 58. Depth of occiput 133% HL; 3 notched pectoral radials, with single fenestra; pectoral fin notch moderately deep; gill opening extending ventrally in front of about fourth to fifth pectoral-fin rays; opercular lobe very weakly developed, hardly discernible; lower pectoral-fin rays 110% upper lobe rays; tongue densely black-dotted; orobranchial cavity dark, closely dotted with melanophores, as are gill arches; peritoneum, stomach, and anterior part of intestine black; pyloric caeca different lengths, 5-9.5% SL, all dark-dotted.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Psednos nataliae
Family
Liparidae (Snailfishes)
Order
Scorpaeniformes (Scorpionfishes and Flatheads)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.9
Depth range
1100–1120 m (3609–3675 ft)
Environment
Marine; bathydemersal; depth range 1100 - 1120 m
Climate
Deep-water
Distribution
Eastern Indian Ocean: west coast of 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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