Jurua anchovy (Jurengraulis juruensis) fish species and information / pictures of Jurua anchovy - Jurengraulis juruensis

Jurua anchovy (Jurengraulis juruensis) fish species information

Scientific Name
Jurengraulis juruensis

Common Name
Jurua anchovy

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 20 - 22. Body slender, oval in cross-section. Snout long and pointed; maxilla short, tip bluntly rounded, not reaching to front border of pre-operculum, not projecting beyond tip of second supra-maxilla; teeth in jaws minute or absent. gill rakers long and slender, absent on face of third epibranchial. Dorsal fin origin at about midpoint of body; anal fin origin under last dorsal fin ray (Ref. 189). Olive above, silvery on sides and below. Snout blackish above. Fins pale orange; caudal rays blackish at tips (Ref. 37032).

Classification

Classified By

Boulenger, 1898

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Western Central Atlantic drainage (Amazon system, from Rio Mamor? in Bolivia to Manaus, Brazil including the Juru? and probably other tributaries).

Distribution

Western Central Atlantic drainage (Amazon system, from Rio Mamor? in Bolivia to Manaus, Brazil including the Juru? and probably other tributaries).

Range

0°S - 14°S

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; pelagic

Trophic Level

3.37 s.e. 0.37 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

16.0 cm

Common Length

Unknown 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

Unknown

Vulnerability

Low vulnerability (18 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