Perak river sprat (Clupeichthys perakensis) fish species and information / pictures of Perak river sprat - Clupeichthys perakensis

Perak river sprat (Clupeichthys perakensis) fish species information

Scientific Name
Clupeichthys perakensis

Common Name
Perak river sprat

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-18; Anal spines: 0; Anal soft rays: 16 - 27. Body moderately elongate, belly keeled, with 7 to 9 + 4 to 6 scutes. Snout blunt, pre-maxillae small and toothed, prominent teeth a symphysis and along sides of lower jaw; second supra-maxilla paddle-shaped, about half length of maxilla. Pectoral axillary scale minute or absent. Last two anal fin rays forming a separate finlet.

Classification

Classified By

Herre, 1936

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Asia

Distribution

Asia: Perak River in Malaysia. Reported from Riau, Sumatra, Indonesia (Ref. 13275).

Range

6°N - 3°N

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

2.99 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

4.0 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 (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