Fin's Fish Guide
The Petronius haplo (Haplochromis petronius) is a fish of the family Cichlidae that grows up to 10 cm.
Description
The Petronius haplo is a cichlid (Cichlidae) from the Lake Victoria system in East Africa. The species grows to about 10 cm and has a stocky body; dominant males colour up brightly with blue, yellow or red tints and carry 'egg-spots' on the anal fin. As a bottom-oriented fish it searches, depending on the species, for small invertebrates, snails, algae or small fish. It is a mouthbrooder: the female protects the eggs and young in her mouth. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Petronius haplo?
The Petronius haplo is mainly blue.
Where does the Petronius haplo live?
The Petronius haplo is mostly found around sand or mud bottom.
How big does the Petronius haplo get?
The Petronius haplo grows to a maximum of about 10 cm.
Is the Petronius haplo dangerous to humans?
No, the Petronius haplo 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 Haplochromis
More from the family Cichlidae
Want the complete picture on the Petronius haplo?
Point your camera at the fish and Fin names the species in seconds. Free, and the Petronius haplo is one of 12,519 species in the app.
Or scan with your phone