Home · Gerreidae · Common silver belly
Common silver belly (Gerres subfasciatus) — Gerreidae

Common silver belly

Gerres subfasciatus
Family: Gerreidae
LC · Least Concern

The Common silver belly (Gerres subfasciatus) is a brackish-water fish of the family Gerreidae that grows up to 20 cm.

Length
20 cm
Water
Brackish
Depth
3.0–40.0 m
Diet
Carnivore
Behaviour
Schooling
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Indo-West Pacific; estuaries, harbours and coastal waters of Australia and surroundings.

Want the complete picture on the Common silver belly?

Get the app

Description

The common silverbiddy is a small coastal fish of the family Gerreidae from the Indo-West Pacific. The species grows to about 20 cm and has a deep, bright silvery body with a far-protrusible, downward mouth. It inhabits estuaries, harbours and coastal waters to fairly deep water along the shore, and is strongly associated with places of freshwater inflow. The fish gathers in schools and searches the soft bottom with its protrusible mouth for small invertebrates. The common silverbiddy is a common species that is eaten locally and is harmless to humans.

Frequently asked questions

How do you recognise the Common silver belly?

The Common silver belly has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Far protrusible mouth for searching soft bottoms; forms shoals where fresh water flows in.

Where does the Common silver belly live?

The Common silver belly lives in brackish water and is mostly found around sand or mud bottom. Indo-West Pacific; estuaries, harbours and coastal waters of Australia and surroundings.

How big does the Common silver belly get?

The Common silver belly grows to a maximum of about 20 cm.

Is the Common silver belly dangerous to humans?

No, the Common silver belly is harmless to humans. None required: this species is harmless to humans.

More photos

Common silver belly (Gerres subfasciatus) — Gerreidae — 2
iNaturalist (no rights reserved)
Common silver belly (Gerres subfasciatus) — Gerreidae — 3
iNaturalist ((c) Adrian Gale, some rights reserved (CC BY-NC))
Common silver belly (Gerres subfasciatus) — Gerreidae — 4
iNaturalist ((c) Erik Schlögl, some rights reserved (CC BY-NC))
Common silver belly (Gerres subfasciatus) — Gerreidae — 5
iNaturalist ((c) Sascha Schulz, some rights reserved (CC BY-NC))
Fin

Want the complete picture on the Common silver belly?

Point your camera at the fish and Fin names the species in seconds. Free, and the Common silver belly is one of 12,519 species in the app.

Get the app →

All data

Identification

English name
Common silver belly verified
Scientific name
Gerres subfasciatus
Family
Gerreidae
Other names
Common silverbiddy; Ovate silverbiddy; Roach; Silver biddy; Silverbelly; Southern silverbiddy; Southern silver-biddy verified

Appearance

Size class
Medium verified
Max length (cm)
20.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
3.0 verified
Max depth (m)
40.0 verified
Natural range
Indo-West Pacific; estuaries, harbours and coastal waters of Australia and surroundings. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small bottom-dwelling invertebrates sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Far protrusible mouth for searching soft bottoms; forms shoals where fresh water flows in. sourced

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Gerres

More from the family Gerreidae

Fin

Want the complete picture on the Common silver belly?

Point your camera at the fish and Fin names the species in seconds. Free, and the Common silver belly is one of 12,519 species in the app.

Get the app →
Is this the Common silver belly? Get the app