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Tank Mate Compatibility Checker
Check whether two aquarium species can live together using temperament, size and water-parameter overlap, with clear green/yellow/red guidance.
Tank Mate Checker
Pick any two species to see if they'll get along.
Good tank mates
Neon Tetra (Paracheirodon innesi) + Cardinal Tetra (Paracheirodon axelrodi)
- • Temperature, pH, and temperament are all compatible.
This is a rough check based on water parameters, temperament, and size. Individual fish temperament varies — always research the exact species you plan to keep and provide escape routes for shyer fish.