All Species
semi-aggressiveMid-level swimmer

American Cichlid Care Sheet

Various (Geophagus, Convict, etc.)

A diverse group from Central and South America including convicts, jack dempseys, and oscars. American cichlids range from small community-safe species to large predators.

Temperature

7282°F

pH Range

67.5

Min Tank Size

40 gallons

Lifespan

5–15 years (oscars can live 15+)

Adult Size

3–18 inches (7–45 cm) depending on species

Group Size

Varies — some are best kept as pairs, others in groups

Breeding

Easy for most species. Substrate spawners — both parents guard eggs and fry aggressively. Convicts are especially prolific.

Diet & Feeding

Mostly omnivore/carnivore — pellets, frozen foods, live foods, earthworms, shrimp. Larger species eat feeder fish (though pellets are healthier).

Natural Habitat

Native to rivers, lakes, and streams throughout Central and South America. Water conditions vary by species.

Care Tips

Research your specific species — the group is incredibly diverse

Many grow large (oscars, jack dempseys) and need 55+ gallon tanks

Breeding pairs become extremely aggressive — may need their own tank

Intelligent fish that recognize their owners and develop personality

Strong diggers — use sand substrate and secure decorations

Tank-Mate Compatibility

Use Caution (23)

Caution

Guppy

Semi-aggressive species — monitor for aggression.

Caution

Betta

Semi-aggressive species — monitor for aggression.

Caution

Corydoras

Semi-aggressive species — monitor for aggression.

Caution

Angelfish

Semi-aggressive species — monitor for aggression.

Caution

Molly

Semi-aggressive species — monitor for aggression.

Caution

Platy

Semi-aggressive species — monitor for aggression.

Caution

Swordtail

Semi-aggressive species — monitor for aggression.

Caution

Cherry Barb

Semi-aggressive species — monitor for aggression.

Caution

Harlequin Rasbora

Semi-aggressive species — monitor for aggression.

Caution

Dwarf Gourami

Semi-aggressive species — monitor for aggression.

Caution

Bristlenose Pleco

Semi-aggressive species — monitor for aggression.

Caution

Otocinclus

Semi-aggressive species — monitor for aggression.

Caution

Amano Shrimp

Semi-aggressive species — monitor for aggression.

Caution

Nerite Snail

Semi-aggressive species — monitor for aggression.

Caution

Mystery Snail

Semi-aggressive species — monitor for aggression.

Caution

Tiger Barb

Semi-aggressive species — monitor for aggression.

Caution

Danio

Semi-aggressive species — monitor for aggression.

Caution

Rainbowfish

Semi-aggressive species — monitor for aggression.

Caution

Clown Loach

Semi-aggressive species — monitor for aggression.

Caution

Knifefish

Semi-aggressive species — monitor for aggression.

Caution

Goldfish

Semi-aggressive species — monitor for aggression.

Caution

Puffer

Semi-aggressive species — monitor for aggression.

Caution

Catfish

Semi-aggressive species — monitor for aggression.