Guyana anchovy (Anchoviella guianensis) fish species and information / pictures of Guyana anchovy - Anchoviella guianensis

Guyana anchovy (Anchoviella guianensis) fish species information

Scientific Name
Anchoviella guianensis

Common Name
Guyana anchovy

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 14 - 18. Body fairly slender, moderately compressed. Snout short, a little over 1/2 eye diameter; maxilla moderate, tip bluntly rounded, failing to reach pre-operculum by 1/3 to 1/2 pupil diameter; gill cover canals of walkeri-type. Anal fin short, its origin a little behind base of last dorsal fin ray. A silver stripe along flank, widening to about 1/2 eye diameter over anal fin base (Ref. 189).

Classification

Classified By

Eigenmann, 1912

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

South America

Distribution

South America: Orinoco system, as far up as Puerto Gaitan on Manacacias River in Colombia, certainly in delta; lower parts of rivers of Guyana, Surinam and French Guiana; lower part of Amazon, but lower limits not known; upper Amazon specimens are not this species.

Range

9°N - 4°S, 73°W - 49°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; brackish; pelagic; potamodromous (Ref. 51243)

Trophic Level

3.4 s.e. 0.45 Based on food items.

Occurs in Marine / Salt water

False

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

9.0 cm

Common Length

6.0 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 (10 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Fec=1,980)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated