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Okinawa flap-headed goby (Callogobius okinawae) — Gobiidae

Okinawa flap-headed goby

Callogobius okinawae
Family: Gobiidae

The Okinawa flap-headed goby (Callogobius okinawae) is a brackish-water fish of the family Gobiidae that grows up to 5 cm.

Length
5 cm
Water
Brackish
Depth
0.0–12.0 m
Diet
Carnivore
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Asia: Australia, Taiwan/Ch Taipei, Indonesia, Japan, Ryukyu Is., Vanuatu and others

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Description

The Okinawa flap-headed goby is a small goby (Gobiidae) from coastal and brackish water of the western Pacific. The species grows to about 5 cm and has a stocky, brownish body with conspicuous skin ridges and flaps on the head, part of the sensory system. As a cryptic bottom-dweller it shelters among stones and rubble of shallow reefs and snaps at small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Okinawa flap-headed goby?

The Okinawa flap-headed goby has a torpedo-shaped body and is mainly brown.

Where does the Okinawa flap-headed goby live?

The Okinawa flap-headed goby lives in brackish water and is mostly found around stony or rocky ground. Asia: Australia, Taiwan/Ch Taipei, Indonesia, Japan, Ryukyu Is., Vanuatu and others

How big does the Okinawa flap-headed goby get?

The Okinawa flap-headed goby grows to a maximum of about 5 cm.

Is the Okinawa flap-headed goby dangerous to humans?

No, the Okinawa flap-headed 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
Okinawa flap-headed goby sourced
Scientific name
Callogobius okinawae
Family
Gobiidae
Other names
Okinawa flap-headed goby; Tailspot flaphead goby verified

Appearance

Size class
Small verified
Max length (cm)
5.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
12.0 verified
Natural range
Asia: Australia, Taiwan/Ch Taipei, Indonesia, Japan, Ryukyu Is., Vanuatu 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
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 Callogobius

More from the family Gobiidae

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