Home · Polynemidae · Black spot six thread tassel fish
Black spot six thread tassel fish (Polydactylus sextarius) — Polynemidae

Black spot six thread tassel fish

Polydactylus sextarius
Family: Polynemidae

The Black spot six thread tassel fish (Polydactylus sextarius) is a brackish-water fish of the family Polynemidae that grows up to 30 cm.

Length
30 cm
Water
Brackish
Depth
16.0–73.0 m
Diet
Carnivore
Behaviour
Large groups
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The blackspot threadfin is a threadfin (Polynemidae) from the Indo-West Pacific. The species has an elongate, silvery body with a dark spot above the pectoral fin and six free, thread-like fin rays below the pectoral fin that serve as feelers. It inhabits sand and mud bottoms of the continental shelf in coastal waters. Probing the bottom, it feeds on small crustaceans, worms and small fishes. It is a food fish. The species is harmless to humans.

Frequently asked questions

How do you recognise the Black spot six thread tassel fish?

The Black spot six thread tassel fish has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern.

Where does the Black spot six thread tassel fish live?

The Black spot six thread tassel fish lives in brackish water and is mostly found around sand or mud bottom.

How big does the Black spot six thread tassel fish get?

The Black spot six thread tassel fish grows to a maximum of about 30 cm. On average the species is around 20 cm.

Is the Black spot six thread tassel fish dangerous to humans?

No, the Black spot six thread tassel fish is harmless to humans.

Is the Black spot six thread tassel fish edible?

Yes, the Black spot six thread tassel fish is commonly eaten.

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →

All data

Identification

Dutch name
Zesdraad-draadvinvis sourced
English name
Black spot six thread tassel fish verified
Scientific name
Polydactylus sextarius
Family
Polynemidae
Other names
Blackbarred morwong; Blackspot six-thread tasselfish; Blackspot threadfin verified

Appearance

Size class
Medium verified
Max length (cm)
30.0 verified
Average length (cm)
20.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
16.0 verified
Max depth (m)
73.0 verified
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Large groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

For anglers

Edibility
Commonly eaten sourced
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 sourced

Status & sources

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

Same genus Polydactylus

More from the family Polynemidae

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →