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Slender tonguefish (Cynoglossus gracilis) — Cynoglossidae

Slender tonguefish

Cynoglossus gracilis
Family: Cynoglossidae

The Slender tonguefish (Cynoglossus gracilis) is a brackish-water fish of the family Cynoglossidae that grows up to 31 cm.

Length
31 cm
Water
Brackish
Diet
Carnivore
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless

Description

The Slender tonguefish is a tonguefish (Cynoglossidae) from coastal and estuarine water of the Indo-West Pacific. The species grows to about 20 cm and has a flattened, elongate, leaf-shaped body tapering to a point at the rear, with both eyes on the left side and a down-curved snout. As a bottom-dweller it lies buried on sand and mud bottoms and snaps at small worms, crustaceans and molluscs. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Slender tonguefish?

The Slender tonguefish has a flattened, disc-shaped body and is mainly brown.

Where does the Slender tonguefish live?

The Slender tonguefish lives in brackish water and is mostly found around sand or mud bottom.

How big does the Slender tonguefish get?

The Slender tonguefish grows to a maximum of about 31 cm.

Is the Slender tonguefish dangerous to humans?

No, the Slender tonguefish is harmless to humans.

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All data

Identification

Dutch name
Slanke tongtong sourced
English name
Slender tonguefish sourced
Scientific name
Cynoglossus gracilis
Family
Cynoglossidae

Appearance

Size class
Medium verified
Max length (cm)
31.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Straight inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

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 Cynoglossus

More from the family Cynoglossidae

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