Compatibility hub
Oscar tank mates
Astronotus ocellatus
Compare Oscar with each species below—every card opens a dedicated guide with behavior notes, water parameters, risks, and a clear verdict so you can plan a calmer community tank.
Pair compatibility guides
Every guide pairs Oscar with one other species—behavior, water needs, and what often fails—so you can plan before stocking. 5 guides; open any card for the full article.
Oscar & Common pleco
Hypostomus plecostomusPair compatibilityCommon pleco and Oscar: typical outcomes, risks, water parameters, and setup tips.
Oscar & Convict cichlid
Amatitlania nigrofasciataPair compatibilityConvict cichlid and Oscar: typical outcomes, risks, water parameters, and setup tips. Territory risk in most home tanks.
Oscar & Guppy
Poecilia reticulataPair compatibilityGuppy and Oscar: typical outcomes, risks, water parameters, and setup tips. Predation risk in most home tanks.
Oscar & Jack Dempsey
Rocio octofasciataPair compatibilityJack Dempsey and Oscar: typical outcomes, risks, water parameters, and setup tips.
Oscar & Medium SA cichlid
e.g. Heros severusPair compatibilityOscar and Medium SA cichlid: typical outcomes, risks, water parameters, and setup tips. Territory risk in most home tanks.
Planning a different centrepiece? All Tank Mates or Explore Oscar in the knowledge base.
