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Largemouth goby (Gobionellus stomatus) — Gobiidae

Largemouth goby

Gobionellus stomatus
Family: Gobiidae

The Largemouth goby (Gobionellus stomatus) is a brackish-water fish of the family Gobiidae that grows up to 14 cm.

Length
13.9 cm
Water
Brackish
Diet
Carnivore
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
South America: Brazil

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Description

The Largemouth goby is a goby (Gobiidae) from shallow coastal, estuarine or reef water of the western Atlantic off South America. The species grows to about 6 cm and has a slender, brown-speckled body with fused pelvic fins forming a sucker. As a bottom-dweller it sits on sand, mud or rock by weed, roots or a burrow and snaps at small invertebrates, algae and detritus. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Largemouth goby?

The Largemouth goby has an elongate, eel-like body, is mainly brown and shows a spots pattern.

Where does the Largemouth goby live?

The Largemouth goby lives in brackish water and is mostly found around sand or mud bottom. South America: Brazil

How big does the Largemouth goby get?

The Largemouth goby grows to a maximum of about 14 cm.

Is the Largemouth goby dangerous to humans?

No, the Largemouth goby is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

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All data

Identification

English name
Largemouth goby sourced
Scientific name
Gobionellus stomatus
Family
Gobiidae
Other names
Muckraker sourced

Appearance

Size class
Small verified
Max length (cm)
13.9 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Natural range
South America: Brazil sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Diet (detail)
Small fishes, crustaceans and invertebrates inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Gobionellus

More from the family Gobiidae

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