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Crescent gunnel (Pholis laeta) fish species and information / pictures of Crescent gunnel - Pholis laeta

Crescent gunnel (Pholis laeta) fish species information

Scientific Name
Pholis laeta

Common Name
Crescent gunnel

Biology
Dorsal spines (total): 74 - 80; Dorsal soft rays (total): 0; Anal spines: 2; Anal soft rays: 35 - 37. Caudal rounded. Pelvic fins minute.

Classification

Classified By

Cope, 1873

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Gunnels (Pholidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Bering Sea coast of Alaska and the Aleutian Islands to Crescent City, northern California, USA. Early records might be misleading since Pholis laeta was once considered identical to Pholis ornatus and was recorded as Pholis ornatus (Ref. 4925).

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

73 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 73 m (Ref. 50610)

Trophic Level

3.27 s.e. 0.39 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

25.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: public aquariums

Vulnerability

Low to moderate vulnerability (26 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