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Setting up your tank

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Australian threadfin (Polydactylus multiradiatus) fish species and information / pictures of Australian threadfin - Polydactylus multiradiatus

Australian threadfin (Polydactylus multiradiatus) fish species information

Scientific Name
Polydactylus multiradiatus

Common Name
Australian threadfin

Biology
Inhabits coastal waters over sand or mud bottoms. Feeds on prawns. Often taken in association with Penaeus prawns in the Gulf of Carpentaria.

Classification

Classified By

G?nther, 1860

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfins (Polynemidae)

Distribution

Region

Eastern Indian Ocean and Western Pacific

Distribution

Eastern Indian Ocean and Western Pacific: known only from southern Indonesia (Timor and Arafura seas) and northern Australia (Exmouth Gulf, Western Australia to Clarence River, New South Wales) (Ref. 9685). The type locality (China) may most likely be erroneous.

Range

4°S - 34°S, 113°E - 154°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

10 m

Depth To - meters

56 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range 10 - 56 m (Ref. 45356), usually 10 - 56 m (Ref. 45356)

Trophic Level

3.04 s.e. 0.22 Based on diet studies.

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

21.0 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 (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

Least Concern (LC)