West Irian river sprat (Clupeoides venulosus) fish species and information / pictures of West Irian river sprat - Clupeoides venulosus

West Irian river sprat (Clupeoides venulosus) fish species information

Scientific Name
Clupeoides venulosus

Common Name
West Irian river sprat

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-18; Anal spines: 0; Anal soft rays: 16 - 27. Body moderately deep, belly sharply keeled, with 9 to 12 + 7 to 9 scutes. Snout blunt, pre-maxillae short and toothless, but prominent teeth in lower jaw; second supra-maxilla short, a little over half length of maxilla blade. Pectoral axillary scale small, less than 1/3 length of fin. A silver stripe along flank.

Classification

Classified By

Weber & de Beaufort, 1912

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Asia and Oceania

Distribution

Asia and Oceania: Indonesia (Lorentz River, Irian Jaya) and Papua New Guinea (Fly River); probably in other southwest-flowing rivers in area.

Range

5°S - 8°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

3.2 s.e. 0.40 Based on food items.

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

9.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5625 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 (12 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