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Circumspect goby (Glossogobius circumspectus) — Gobiidae

Circumspect goby

Glossogobius circumspectus
Family: Gobiidae

The Circumspect goby (Glossogobius circumspectus) is a brackish-water fish of the family Gobiidae that grows up to 35 cm.

Length
35 cm
Water
Brackish
Diet
Carnivore
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Asia: Australia, Taiwan/Ch Taipei, Indonesia, Japan, Malaysia, Papua New Guinea and others

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Description

The circumspect goby is a goby (Gobiidae) from shallow, brackish estuarine and mangrove water of the Indo-West Pacific. The species grows to about 12 cm and has an elongate, sandy-brown mottled body with a flattened head, a forked tongue and fused pelvic fins forming a sucker. As a bottom-oriented ambush hunter it lies on sand and mud by roots and weed and seizes small fish, shrimp and worms. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Circumspect goby?

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

Where does the Circumspect goby live?

The Circumspect goby lives in brackish water and is mostly found around sand or mud bottom. Asia: Australia, Taiwan/Ch Taipei, Indonesia, Japan, Malaysia, Papua New Guinea and others

How big does the Circumspect goby get?

The Circumspect goby grows to a maximum of about 35 cm.

Is the Circumspect goby dangerous to humans?

No, the Circumspect 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
Circumspect goby sourced
Scientific name
Glossogobius circumspectus
Family
Gobiidae
Other names
Circumspect goby; Mangrove flathead goby verified

Appearance

Size class
Medium verified
Max length (cm)
35.0 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
Asia: Australia, Taiwan/Ch Taipei, Indonesia, Japan, Malaysia, Papua New Guinea and others 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
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 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 Glossogobius

More from the family Gobiidae

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