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River goby (Glossogobius callidus) — Gobiidae

River goby

Glossogobius callidus
Family: Gobiidae
LC · Least Concern

The River goby (Glossogobius callidus) is a brackish-water fish of the family Gobiidae that grows up to 12 cm.

Length
12 cm
Water
Brackish
Diet
Carnivore
Behaviour
Solitary
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Southern Africa; estuaries and river systems.
Edibility
Rarely eaten

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Description

The river goby is a goby (Gobiidae) from southern Africa. The species has an elongate, mottled brown body with a flattened head and, as is typical of gobies, pelvic fins fused into a sucker. It inhabits estuaries and river systems, where it lives bottom-bound in pools among cobbles and other cover. As an ambush hunter it takes small fishes, crustaceans and insect larvae. The species is harmless to humans.

Frequently asked questions

How do you recognise the River goby?

The River goby has a torpedo-shaped body, is mainly brown and shows a spots pattern. Pelvic fins fused into a sucker; bottom ambush predator of estuaries and rivers.

Where does the River goby live?

The River goby lives in brackish water and is mostly found around mixed bottom. Southern Africa; estuaries and river systems.

How big does the River goby get?

The River goby grows to a maximum of about 12 cm.

Is the River goby dangerous to humans?

No, the River goby is harmless to humans. None required: this species is harmless to humans.

Is the River goby edible?

The River goby is rarely eaten.

More photos

River goby (Glossogobius callidus) — Gobiidae — 2
iNaturalist ((c) david_taylor, some rights reserved (CC BY-NC))
River goby (Glossogobius callidus) — Gobiidae — 3
iNaturalist ((c) Darragh Woodford, some rights reserved (CC BY-NC))
River goby (Glossogobius callidus) — Gobiidae — 4
iNaturalist (no rights reserved)
River goby (Glossogobius callidus) — Gobiidae — 5
iNaturalist ((c) Darragh Woodford, some rights reserved (CC BY-NC))

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All data

Identification

English name
River goby verified
Scientific name
Glossogobius callidus
Family
Gobiidae

Appearance

Size class
Small verified
Max length (cm)
12 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown
Pattern
Spots
Tail shape
Rounded
Mouth position
Terminal
Lips
Thick / fleshy
Barbels
No sourced
Dorsal fins
Two separate
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Mixed bottom sourced
Natural range
Southern Africa; estuaries and river systems.
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes, crustaceans and insect larvae sourced
Social behaviour
Solitary
Territorial
No
Reproduction
Separate sexes sourced
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.
Special features
Pelvic fins fused into a sucker; bottom ambush predator of estuaries and rivers. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish.
Regulations source

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 Glossogobius

More from the family Gobiidae

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