Family: Cichlidae
Cichla monoculus — a Cichlidae from South America. Reaches 37.5–55 cm; keep at 24–30 °C.
Cichla monoculus, a member of the family Cichlidae, comes from South America, where it inhabits lakes and slow rivers with structure. Varies by species; many are territorial when breeding and omnivore to carnivore; quality prepared foods, it grows to 37.5–55 cm and adapts well to a properly set-up aquarium in the 24–30 °C range. In a community tank it pairs well with Similar-sized peaceful community fish.
Difficulty: moderate. Varies by species; many are territorial when breeding. Pairs or singles with defined territory.
Hold 24–30 °C and keep it stable — 24–30 °C curated husbandry range. Heater required for stable tropical warmth.
Expect 37.5–55 cm as an adult, living middle of the water column. A 500 L tank or larger gives it room.
Omnivore to carnivore; quality prepared foods. It forages naturally over sand with rock piles, so let some food reach the bottom.
Yes, with care. Varies by species; many are territorial when breeding — pair it with Similar-sized peaceful community fish — Similar size and water needs and skip Much smaller fish — May outcompete or bully tiny tankmates.
Its home waters are South America — lakes and slow rivers with structure, with still to gentle current.
Jumping is not a known issue; cover the tank anyway during water changes.
In the aquarium: substrate or cave spawner with parental care. Often striking; males larger and brighter.