Rio anchovy (Anchoa januaria) fish species and information / pictures of Rio anchovy - Anchoa januaria

Rio anchovy (Anchoa januaria) fish species information

Scientific Name
Anchoa januaria

Common Name
Rio anchovy

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 192 - 22. Snout moderate, about 1/2 eye or a little more; maxilla moderate, tip not sharply pointed, not or only just reaching hind border of pre-operculum; gill cover canals of walkeri-type. Anal fairly short, its origin under about midpoint of dorsal fin base. Anus nearer to pelvic fin tips than to anal fin origin. Silver stripe along flank, about 1/2 eye diameter or a little more.

Classification

Classified By

Steindachner, 1879

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: Brazil, from Cear? to Santa Catarina. Occurrence north of Brazil needs verification.

Range

4°S - 29°S, 50°W - 35°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

50 m

Zone

pelagic-neritic

Environment

Marine; brackish; pelagic-neritic; depth range 0 - 50 m (Ref. 189)

Trophic Level

2.88 s.e. 0.24 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

7.5 cm

Common Length

5.5 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: of no interest

Vulnerability

Low vulnerability (10 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated