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Walleye surfperch (Hyperprosopon argenteum) fish species and information / pictures of Walleye surfperch - Hyperprosopon argenteum

Walleye surfperch (Hyperprosopon argenteum) fish species information

Scientific Name
Hyperprosopon argenteum

Common Name
Walleye surfperch

Biology
Dorsal spines (total): 8 - 10; Dorsal soft rays (total): 25-28; Anal spines: 3; Anal soft rays: 30 - 35; Vertebrae: 33 - 37. Dark blue dorsally, sides and belly silvery with young having narrow golden vertical bars; tips of pelvic fins black; dusky on edge of caudal fin (Ref. 6885).

Classification

Classified By

Gibbons, 1854

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Surfperches (Embiotocidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Vancouver Island in British Columbia, Canada to central Baja California in Mexico, including Guadalupe Island (off northern central Baja California).

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

18 m

Zone

demersal

Environment

Marine; demersal; depth range ? - 18 m (Ref. 2850)

Trophic Level

3.5 s.e. 0.50 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

30.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial; gamefish: yes

Vulnerability

Low vulnerability (21 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tm=1; tmax=6)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated