Fin's Fish Guide
The Keyhole (Cleithracara maronii) is a brackish-water fish of the family Cichlidae that grows up to 7 cm.
Description
The keyhole cichlid (Cleithracara maronii) is a small, peaceful cichlid from coastal creeks of the Guianas in South America. The species owes its name to the keyhole-shaped dark mark on the flank and has a light-beige to brownish body with a dark eye band; it reaches only about 7 cm. It inhabits small, clear, slow-flowing creeks rich in decaying wood. The diet consists of worms, crustaceans and insects. The species is shy and pales or retreats when disturbed. Owing to its calm temperament and easy care it is popular in the aquarium trade; it forms pairs and is a substrate spawner.
Frequently asked questions
How do you recognise the Keyhole?
The Keyhole has a torpedo-shaped body, is mainly brown and shows a spots pattern. Keyhole-shaped blotch on the flank; peaceful, shy pair-forming cichlid.
Where does the Keyhole live?
The Keyhole lives in brackish water and is mostly found around mixed bottom. Clear coastal creeks of the Guianas in South America.
How big does the Keyhole get?
The Keyhole grows to a maximum of about 7 cm.
Is the Keyhole dangerous to humans?
No, the Keyhole 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.
Is the Keyhole edible?
The Keyhole is not usually eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Cichlidae
Want the complete picture on the Keyhole?
Point your camera at the fish and Fin names the species in seconds. Free, and the Keyhole is one of 12,519 species in the app.