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Largemouth tankgoby (Oligolepis stomias) — Gobiidae

Largemouth tankgoby

Oligolepis stomias
Family: Gobiidae

The Largemouth tankgoby (Oligolepis stomias) is a brackish-water fish of the family Gobiidae that grows up to 8 cm.

Length
8 cm
Water
Brackish
Diet
Carnivore
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Asia: Taiwan/Ch Taipei, Japan, Papua New Guinea, Ogasawara Is.

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Description

The Largemouth tankgoby is a goby (Gobiidae) from shallow coastal, estuarine and reef water of the Indo-West Pacific. The species grows to about 8 cm and has a slender body with pelvic fins fused into a sucker with which it holds onto the bottom. As a bottom-dweller it shelters in small burrows and among sediment and snaps at small crustaceans, worms and algae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Largemouth tankgoby?

The Largemouth tankgoby has an elongate, eel-like body and is mainly brown.

Where does the Largemouth tankgoby live?

The Largemouth tankgoby lives in brackish water and is mostly found around sand or mud bottom. Asia: Taiwan/Ch Taipei, Japan, Papua New Guinea, Ogasawara Is.

How big does the Largemouth tankgoby get?

The Largemouth tankgoby grows to a maximum of about 8 cm.

Is the Largemouth tankgoby dangerous to humans?

No, the Largemouth tankgoby 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 tankgoby sourced
Scientific name
Oligolepis stomias
Family
Gobiidae

Appearance

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

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Natural range
Asia: Taiwan/Ch Taipei, Japan, Papua New Guinea, Ogasawara Is. 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

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 Oligolepis

More from the family Gobiidae

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