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King threadfin (Polydactylus macrochir) — Polynemidae

King threadfin

Polydactylus macrochir
Family: Polynemidae

The King threadfin (Polydactylus macrochir) is a fish that lives in both fresh and salt water of the family Polynemidae that grows up to 170 cm.

Length
170 cm
Water
Euryhaline
Depth
0.0–6.0 m
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The king threadfin is a large threadfin (Polynemidae) from coastal and brackish water of northern Australia and southern New Guinea. The species grows to about 1.7 metres and has a streamlined, silvery body with a blunt snout above an underslung mouth and a bundle of free, thread-like lower pectoral rays with which it feels for prey in turbid water. As a bottom-oriented predator it hunts shrimp and small fish in estuaries and coastal water. It is a valued food fish. The fish is harmless to humans.

Frequently asked questions

How do you recognise the King threadfin?

The King threadfin has a torpedo-shaped body and is mainly silver-grey.

Where does the King threadfin live?

The King threadfin lives in both fresh and salt water and is mostly found around sand or mud bottom.

How big does the King threadfin get?

The King threadfin grows to a maximum of about 170 cm. On average the species is around 48 cm.

Is the King threadfin dangerous to humans?

No, the King threadfin is harmless to humans.

Is the King threadfin edible?

Yes, the King threadfin is commonly eaten.

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All data

Identification

Dutch name
Koning-draadvinvis sourced
English name
King threadfin sourced
Scientific name
Polydactylus macrochir
Family
Polynemidae
Other names
Blink tassel-fish; Burnett salmon; Gold threadfin; Grand threadfin; King salmon verified

Appearance

Size class
Extra large verified
Max length (cm)
170.0 verified
Average length (cm)
48.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Euryhaline sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
6.0 verified
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
levensduur_max_jaar
20.0 verified

For anglers

Edibility
Commonly eaten inferred
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Polydactylus

More from the family Polynemidae

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