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Blackfin threadfin (Polydactylus nigripinnis) fish species and information / pictures of Blackfin threadfin - Polydactylus nigripinnis

Blackfin threadfin (Polydactylus nigripinnis) fish species information

Scientific Name
Polydactylus nigripinnis

Common Name
Blackfin threadfin

Biology
Body uniformly golden-silver. Pectoral fin rays unbranched, blackish; tip of uppermost filament reaching to or just short of level of posterior tip of upper part of pectoral fin (Ref. 41110).

Classification

Classified By

Munro, 1964

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfins (Polynemidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Papua New Guinea, Australia, and the Arafura Sea.

Range

6°S - 17°S, 127°E - 147°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; brackish; demersal

Trophic Level

3.49 s.e. 0.59 Based on size and trophs of closest relatives

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

20.0 cm

Common Length

Unknown 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 (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