Scientific Name
Arctozenus risso

Common Name
Spotted barracudina

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 8-13; Anal spines: 0; Anal soft rays: 28 - 34; Vertebrae: 72 - 86. Bright silvery in color (Ref. 6885). Branchiostegal rays: 8 (Ref. 35950).

Classification

Classified By

Bonaparte, 1840

Class

Ray-finned fishes (Actinopterygii)

Order

Grinners (Aulopiformes)

Family

Barracudinas (Paralepididae)

Distribution

Region

Worldwide distribution from the Arctic to Antarctic. Eastern Pacific

Distribution

Worldwide distribution from the Arctic to Antarctic. Eastern Pacific: British Columbia (55?N) to at least north central Baja California (28?N) (Ref. 35950). Northwest Pacific: Bering Sea, Kamchatka, Kuril Islands (Ref. 41668).

Range

71°N - 55°S, 180°W - 180°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

2200 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 2200 m (Ref. 50610)

Trophic Level

3.22 s.e. 0.41 Based on diet studies.

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

30.0 cm

Common Length

25.0 cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low to moderate vulnerability (34 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated