Cleithracara Maronii Magnet - Aquarium Animals

Discover the Cleithracara maronii (Cleithracara maronii), also known as the keyhole cichlid—one of the most peaceful and characterful cichlids for the aquarium. Originating from the tranquil, dark rivers and swamps of Trinidad and northeastern South America, this fish is known for its exceptionally gentle nature and fascinating behavior: when stressed or in danger, it displays a striking black mask and a dark spot on its side, like a living camouflage system.

This premium magnet features detailed aquarium photography capturing the subtle beauty and calm presence of this unique cichlid.

Species Profile

• Family: Cichlidae
• Origin: Trinidad, Venezuela, Guyana — tranquil, dark lowland rivers and swamps
• Size: Up to 15 cm; females slightly smaller
• Temperament: Exceptionally peaceful for a cichlid — suitable for community aquariums
• Special Feature: The characteristic "keyhole" pattern on its side varies by individual and mood

Fascinating facts:

• The Cleithracara maronii is one of the few cichlids that is rarely aggressive, even during parental care
• Its color pattern changes with its mood — when stressed, the black mask intensifies; when calm, it fades
• It is a substrate spawner that carefully guards its eggs and actively protects its fry
• In the wild, it lives in blackwater biotopes with fallen leaves, roots, and low light — an aquarium with tannins and soft substrate perfectly mimics its natural habitat
• Despite its gentle nature, it is territorial around its breeding site — a fascinating contrast to its everyday peacefulness

An underestimated gem:

The keyhole cichlid is often overshadowed by more colorful species in the aquarium world, but those who keep it become addicted to its personality. It is intelligent, curious, and responds to its keeper. In its natural habitat, it is under pressure from habitat degradation and water pollution in the lowland rivers of South America — a reminder that even "ordinary" aquarium fish deserve protection.

We collaborate with organizations that make a real, measurable contribution to wildlife conservation. Together, we build a community of wildlife ambassadors — one magnet at a time.

With the purchase of this magnet, we donate €2.00 to wildlife conservation – allowing you to directly contribute to the preservation of the Cleithracara maronii and its habitat.

Part of our Aquarium Animals collection — transform your fridge into a tribute to the most peaceful cichlid — the silent gem of South American blackwater.