KEYHOLE CICHLID (Cleithracara maronii)

Keyhole Cichlid (Cleithracara maronii) is from South America found in the lower Orinoco Basin in Venezuela and the river basins in The Guianas. Keyhole Cichlid is the only one species in the genus Cleithracara.

They usually come from quiet waters in slow-moving ponds or rivers. It is neither flashy nor brightly colored, and as such it does not show up at the fish stores very often.

Family: Cichlidae
Common Name: Keyhole cichlid
Scientific Name: Cleithracara maronii
Temperament: Peaceful
Tank size: 18 gallons and more
Water Hardness: 36 – 268 ppm
Temperature: 72°F- 78°F (22 to 26 °С)
Diet: Omnivorous
Size: up to 10 cm (4 inches)
pH: 6.5-7.2
Lifespan: up to 8 years

https://cichlidtips.com/keyhole-cichlid-tankmates-care-habitat-and-details/