The Flathead perch (Rainfordia opercularis) is a saltwater fish of the family Serranidae that grows up to 15 cm.
Description
The flathead perch is a small reef basslet (Serranidae) endemic to the waters around Australia. The species grows to about 15 cm and has an elongate, orange-red body with fine blue longitudinal lines and a flattened head. As a secretive reef-dweller it lives in caves, crevices and under overhangs of coral and rocky reefs and snaps at small crustaceans and small fish. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Flathead perch?
The Flathead perch has an elongate, eel-like body, is mainly red-orange and shows a horizontal stripes pattern.
Where does the Flathead perch live?
The Flathead perch lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Australia
How big does the Flathead perch get?
The Flathead perch grows to a maximum of about 15 cm.
Is the Flathead perch dangerous to humans?
No, the Flathead perch 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
More from the family Serranidae

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