The Twospine blackfish (Gadopsis bispinosus) is a freshwater fish of the family Percichthyidae that grows up to 32 cm.
Description
The twospine blackfish is a freshwater perch (Percichthyidae) from clear, cool mountain rivers of southeastern Australia. The species grows to about 32 cm and has an elongate, olive-brown to marbled body with a long dorsal fin and small pelvic fins. As a nocturnal, resident bottom predator it shelters by day among stones and fallen wood and hunts insect larvae, crustaceans and small fish at night. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Twospine blackfish?
The Twospine blackfish has a torpedo-shaped body, is mainly brown and shows a marbled pattern.
Where does the Twospine blackfish live?
The Twospine blackfish lives in fresh water and is mostly found around sand or mud bottom.
How big does the Twospine blackfish get?
The Twospine blackfish grows to a maximum of about 32 cm.
Is the Twospine blackfish dangerous to humans?
No, the Twospine blackfish 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
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Gadopsis
More from the family Percichthyidae

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