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Keyhole cichlid (Cleithracara maronii)
Photo: Bartosz Senderek · CC BY-SA 2.5 via Wikimedia Commons

Keyhole cichlid

Cleithracara maronii · Cichlidae

Also known as Keyhole

Beginner

Possibly the shyest and most peaceful cichlid there is; safe with small tetras.

In short: A keyhole cichlid needs at least 150 L (40 US gal), water at 22–28 °C (72–82 °F) and pH 6–7.5. It is peaceful, kept in pairs or more, and rated beginner to keep.

Updated

Minimum tank
150 L (40 US gal)
Temperature
22–28 °C (72–82 °F)
pH
6–7.5
Adult size
10 cm (3.9 in)
Group size
2+

Care requirements

Minimum tank volume
150 L (40 US gal)
Temperature
22–28 °C (72–82 °F)
pH
6–7.5
Hardness
2–15 dGH
Lifespan
8–10 years
Diet
Omnivore — pellets, frozen bloodworm, brine.
Care level
Beginner

Origin & habitat

Native region
Guyana and Venezuela coastal rivers
Water type
Freshwater
Biotope
Slow, wood-filled tributaries
Natural conditions
Soft to medium water, wood, dim light, plenty of cover.

Behaviour & stocking

Temperament
Peaceful
Minimum group
2 fish
Swims
All levels
Good tank mates
Tetras
Corydoras
Rasboras
Avoid
Boisterous cichlids
Bright bare tanks

Breeding & difficulty

Breeding difficulty
Intermediate
Sexing
Males have slightly extended fin tips.
Notes
Pairs lay eggs on a flat surface and co-parent.
Common ailments
Ich
Stress-related hiding and fasting
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