Rainbow Cichlid tank mates
Herotilapia multispinosa
6 rated pairings from the Rainbow Cichlid care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Rainbow Cichlid needs at least 30 gallons on its own; every companion adds to that.
Good matches
4 · Compatible with normal care — watch space and numbers.Sterbai Corydoras
Corydoras sterbai
20 gal min · 2.5" adult · Peaceful
Bottom dweller that avoids conflict; shares similar water parameters
Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Peaceful schooling fish that occupy upper water column
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Algae eater that stays on bottom; nocturnal and non-aggressive
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Small algae eater that poses no threat and occupies bottom zone
Use caution
2 · Works in the right setup; read the note before combining.Also recommended alongside Rainbow Cichlid
Species whose own guides list Rainbow Cichlid as a tank mate.
Aureum Cichlid
Thorichthys aureum
40 gal min · 6" adult · Semi-aggressive
Honduran Red Point Cichlid
Amatitlania siquia
30 gal min · 4" adult · Semi-aggressive
Sajica Cichlid
Amatitlania sajica
30 gal min · 4" adult · Semi-aggressive
Spilurus Cichlid
Cryptoheros spilurus
40 gal min · 5" adult · Semi-aggressive
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.