Scientific Name
Psednos sargassicus

Common Name
Sargasso dwarf snailfish

Biology
Dorsal soft rays (total): 37; Vertebrae: 42. Coronal pore present, infraorbital 5(5+0), temporal 1+1, head 25% SL, eye small (15.3% HL), gill slit located high (dorsal end about level with eye center), preanal short (38.5% SL), pectoral fin with 1 notch ray; caudal part of body pale, head, belly and margins of vertical fins brown (Ref. 42989).

Classification

Classified By

Chernova, 2001

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Snailfishes (Liparidae)

Distribution

Region

Northeast Atlantic

Distribution

Northeast Atlantic: northern Sargasso Sea.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

1050 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 1050 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

5.2 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