Scientific Name
Benthalbella dentata

Common Name
Northern pearleye

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 6-8; Anal spines: 0; Anal soft rays: 17 - 21; Vertebrae: 54 - 55. Adipose very slender; pectorals small; pelvic fins large and expanded (Ref. 6885). Brown dorsally, lighter below (Ref. 6885). Brown dorsally, lighter below (Ref. 6885). Branchiostegal rays: 8 (Ref. 35929).

Classification

Classified By

Chapman, 1939

Class

Ray-finned fishes (Actinopterygii)

Order

Grinners (Aulopiformes)

Family

Pearleyes (Scopelarchidae)

Distribution

Region

Northeast Pacific

Distribution

Northeast Pacific: Gulf of Alaska to Baja California, Mexico. Northwest Pacific: Japan and the Sea of Okhotsk.

Range

58°N - 14°N, 153°E - 110°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

98 m

Depth To - meters

3400 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 98 - 3400 m (Ref. 50550), usually 500 - 1000 m (Ref. 2850)

Trophic Level

4.5 s.e. 0.80 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

False

Physical Size and Genetics

Maximum Length

24.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5313 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (13 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated