Scientific Name
Liparis rutteri

Common Name
Ringtail snailfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 32-33; Anal spines: 0; Anal soft rays: 23 - 26; Vertebrae: 37 - 38. A small (less than 70 mm SL) species; caudal fin rays 11-12, pyloric caeca 18-31; body slender, maximum depth 14.6-24.1% SL; disk length 53.7-70.8% HL; skin lax and wrinkled, relatively thin, fragile; prickles present in both sexes at least during spawning; males with elongate, thickened, deeply incised anterior dorsal fin rays (Ref. 50520).

Classification

Classified By

Gilbert & Snyder, 1898

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Snailfishes (Liparidae)

Distribution

Region

North Pacific

Distribution

North Pacific: known only from the Bering Sea, the northern Gulf of Alaska (Kodiak) and southeastern Alaska (Yakutat). Records from further south must be considered highly doubtful, especially if specimens measure greater than 6 or 7 cm.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

73 m

Zone

demersal

Environment

Marine; demersal; depth range ? - 73 m (Ref. 2850)

Trophic Level

3.27 s.e. 0.47 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

7.0 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