239 species
Freshwater fish care guides
Each guide lists recommended temperature and pH, minimum tank size, group needs, and tank-mate notes. Start with a fish below or browse by group.
All compatibility guidesFind fish
African cichlids
Badis
Barbs
Betta
Bichirs
Catfish
Characins
Cichlids
- African Butterfly Cichlid
- Agassiz's Dwarf Cichlid
- Blue Acara
- Bolivian Ram
- Borelli's Dwarf Cichlid
- Cockatoo Dwarf Cichlid
- Convict Cichlid
- Discus
- Electric Blue Acara
- Festivum Cichlid
- Firemouth Cichlid
- Flowerhorn Cichlid
- Freshwater Angelfish
- German Blue Ram
- Green Terror
- Jack Dempsey
- Keyhole Cichlid
- Kribensis
- Macmaster's Dwarf Cichlid
- Oscar
- Rainbow Cichlid
- Red Head Tapajos Geophagus
- Severum
- Texas Cichlid
- Uaru Cichlid
Corydoras
Crabs
Crayfish
Cyprinids
Danios
Gobies
Goldfish
Gouramis
Halfbeaks
Hatchetfish
Killifish
Labyrinth fish
Livebearers
Loaches
Other invertebrates
Pencilfish
Plecos
Puffers
Rainbowfish
Rasboras
Ricefish
Shrimp
Snails
Tetras
- Black Neon Tetra
- Black Phantom Tetra
- Black Skirt Tetra
- Bleeding Heart Tetra
- Blind Cave Tetra
- Bucktooth Tetra
- Buenos Aires Tetra
- Candy Cane Tetra
- Cardinal Tetra
- Colombian Tetra
- Congo Tetra
- Diamond Tetra
- Ember Tetra
- Emperor Tetra
- Glowlight Tetra
- Green Fire Tetra
- Green Neon Tetra
- Head-and-Tail Light Tetra
- Lemon Tetra
- Neon Tetra
- Penguin Tetra
- Red Eye Tetra
- Red Phantom Tetra
- Rosy Tetra
- Rummy-nose Tetra
- Serpae Tetra
- Silvertip Tetra
- X-Ray Tetra