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Obliquemouth croaker (Johnius plagiostoma) — Sciaenidae

Obliquemouth croaker

Johnius plagiostoma
Family: Sciaenidae

The Obliquemouth croaker (Johnius plagiostoma) is a fish that lives in both fresh and salt water of the family Sciaenidae that grows up to 10 cm.

Length
10 cm
Water
Euryhaline
Diet
Carnivore
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless

Description

The Obliquemouth croaker is a croaker (Sciaenidae) from coastal and estuarine water of the Indo-West Pacific. The species grows to about 22 cm and has an elongate, silver-grey body with an inferior mouth and stout ear-stones; like other croakers it makes a drumming sound with its swim bladder. As a bottom-oriented fish it searches over sand and mud bottoms for worms, small crustaceans and molluscs. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Obliquemouth croaker?

The Obliquemouth croaker has a torpedo-shaped body and is mainly silver-grey.

Where does the Obliquemouth croaker live?

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

How big does the Obliquemouth croaker get?

The Obliquemouth croaker grows to a maximum of about 10 cm. On average the species is around 8 cm.

Is the Obliquemouth croaker dangerous to humans?

No, the Obliquemouth croaker is harmless to humans.

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All data

Identification

Dutch name
Scheefbek-ombervis sourced
English name
Obliquemouth croaker sourced
Scientific name
Johnius plagiostoma
Family
Sciaenidae
Other names
Large-eye croaker verified

Appearance

Size class
Small verified
Max length (cm)
10.0 verified
Average length (cm)
8.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Straight inferred
Mouth position
Inferior (downward) sourced

Habitat & distribution

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

Behaviour & biology

Diet
Carnivore inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. 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 Johnius

More from the family Sciaenidae

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