The Throatspine gudgeon (Belobranchus belobranchus) is a brackish-water fish of the family Eleotridae that grows up to 20 cm.
Asia: Indonesia, Japan, Vanuatu, Papua New Guinea, Philippines, Timor-Leste
Description
The throatspine gudgeon is a sleeper goby (Eleotridae) from fresh and brackish water of the Indo-West Pacific. The species grows to about 20 cm and has an elongate, dark-brown body with a large mouth and a small spine on the throat. It lives in lower river reaches and estuaries; the larvae migrate to sea and return as juveniles. As a bottom-oriented predator it hunts small crustaceans, insects and small fish. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Throatspine gudgeon?
The Throatspine gudgeon has a torpedo-shaped body and is mainly brown.
Where does the Throatspine gudgeon live?
The Throatspine gudgeon lives in brackish water and is mostly found around sand or mud bottom. Asia: Indonesia, Japan, Vanuatu, Papua New Guinea, Philippines, Timor-Leste
How big does the Throatspine gudgeon get?
The Throatspine gudgeon grows to a maximum of about 20 cm.
Is the Throatspine gudgeon dangerous to humans?
No, the Throatspine gudgeon 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.
More photos

Want the complete picture on the Throatspine gudgeon?
Point your camera at the fish and Fin names the species in seconds. Free, and the Throatspine gudgeon is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Eleotridae

Want the complete picture on the Throatspine gudgeon?
Point your camera at the fish and Fin names the species in seconds. Free, and the Throatspine gudgeon is one of 12,519 species in the app.