Walker's anchovy (Anchoa walkeri) fish species and information / pictures of Walker's anchovy - Anchoa walkeri

Walker's anchovy (Anchoa walkeri) fish species information

Scientific Name
Anchoa walkeri

Common Name
Walker's anchovy

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 23 - 32. Snout moderately pointed, about 3/4 eye diameter; maxilla long, tip sharply pointed, reaching to or just beyond gill opening, but shorter and more blunt at 4 to 5 cm standard length; gill cover canals of walkeri-type. Pectoral fins large, tip reaching to beyond pelvic fin base; anal fin origin below dorsal fin origin or a little behind. Silver stripe along flank, as eye in some places.

Classification

Classified By

Baldwin & Chang, 1970

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: Gulf of California at San Felipe, Baja California and along Sonora and Sinaloa coasts, Mexico, south to Panama, possibly reaching further south.

Range

31°N - 5°N, 115°W - 77°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

40 m

Zone

pelagic-neritic

Environment

Marine; freshwater; brackish; pelagic-neritic; depth range 0 - 40 m (Ref. 9298)

Trophic Level

3.41 s.e. 0.44 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

12.0 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

Fisheries: subsistence fisheries

Vulnerability

Low vulnerability (14 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)