๐Ÿ  Fish Compatibility Database

Fish Compatibility Guides

Find out if your fish can safely share an aquarium โ€” with compatibility scores, water parameter analysis, and expert verdicts for 4095 species pairs.

1464
Compatible Pairs
810
Caution Pairs
1821
Incompatible Pairs
91
Species Covered

Most-Searched Compatibility Questions

The most common "can X live with Y" questions answered with compatibility scores.

Betta Fish + Neon Tetraโš ๏ธ Use Caution Betta Fish + GuppyโŒ Not Compatible Betta Fish + Cherry Shrimpโš ๏ธ Use Caution Betta Fish + Corydoras Catfishโš ๏ธ Use Caution Betta Fish + Angelfishโš ๏ธ Use Caution Betta Fish + Tiger Barbโš ๏ธ Use Caution Goldfish + Neon TetraโŒ Not Compatible Oscar + Angelfishโš ๏ธ Use Caution Neon Tetra + Cardinal Tetraโœ… Compatible Discus + Cardinal Tetraโœ… Compatible Guppy + Platyโœ… Compatible Molly + Swordtailโœ… Compatible

Browse by Species

Select any species to see all its compatibility guides.

๐Ÿ  African Butterfly Fish๐Ÿ  Angelfish๐Ÿ  Betta Fish๐Ÿ  Black Ghost Knifefish๐Ÿ  Black Neon Tetra๐Ÿ  Black Phantom Tetra๐Ÿ  Black Ruby Barb๐Ÿ  Blue Tang๐Ÿ  Bolivian Ram๐Ÿ  Bosemans Rainbowfish๐Ÿ  Bristlenose Pleco๐Ÿ  Cardinal Tetra๐Ÿ  Cherry Barb๐Ÿ  Cherry Shrimp๐Ÿ  Chili Rasbora๐Ÿ  Clown Knifefish๐Ÿ  Clown Loach๐Ÿ  Clown Pleco๐Ÿ  Congo Tetra๐Ÿ  Coral Beauty๐Ÿ  Corydoras Catfish๐Ÿ  Denison Barb๐Ÿ  Diamond Tetra๐Ÿ  Discus๐Ÿ  Dwarf Chain Loach๐Ÿ  Dwarf Gourami๐Ÿ  Electric Yellow Cichlid๐Ÿ  Ember Tetra๐Ÿ  Fire Eel๐Ÿ  Firefish Goby๐Ÿ  Flame Angelfish๐Ÿ  Foxface Rabbitfish๐Ÿ  Frontosa Cichlid๐Ÿ  Giant Danio๐Ÿ  Glass Catfish๐Ÿ  Glowlight Danio๐Ÿ  Glowlight Tetra๐Ÿ  Goldfish๐Ÿ  Green Terror Cichlid๐Ÿ  Guppy๐Ÿ  Harlequin Rasbora๐Ÿ  Hillstream Loach๐Ÿ  Honey Gourami๐Ÿ  Jewel Cichlid๐Ÿ  Julii Cory๐Ÿ  Keyhole Cichlid๐Ÿ  Koi๐Ÿ  Kuhli Loach๐Ÿ  Lemon Tetra๐Ÿ  Lionfish๐Ÿ  Molly๐Ÿ  Moonlight Gourami๐Ÿ  Mystery Snail๐Ÿ  Neon Rainbowfish๐Ÿ  Neon Tetra๐Ÿ  Nerite Snail๐Ÿ  Oscar๐Ÿ  Otocinclus๐Ÿ  Pajama Cardinalfish๐Ÿ  Panda Cory๐Ÿ  Pea Puffer๐Ÿ  Peacock Cichlid๐Ÿ  Pearl Danio๐Ÿ  Peppered Cory๐Ÿ  Percula Clownfish๐Ÿ  Platy๐Ÿ  Pygmy Corydoras๐Ÿ  Rainbow Shark๐Ÿ  Red Eye Tetra๐Ÿ  Rosy Barb๐Ÿ  Royal Gramma๐Ÿ  Senegal Bichir๐Ÿ  Serpae Tetra๐Ÿ  Severum Cichlid๐Ÿ  Silver Arowana๐Ÿ  Silver Dollar๐Ÿ  Sparkling Gourami๐Ÿ  Sterbai Cory๐Ÿ  Swordtail๐Ÿ  Texas Cichlid๐Ÿ  Threadfin Rainbowfish๐Ÿ  Three Spot Gourami๐Ÿ  Tiger Barb๐Ÿ  Watchman Goby๐Ÿ  Weather Loach๐Ÿ  X Ray Tetra๐Ÿ  Yellow Tang๐Ÿ  Yoyo Loach๐Ÿ  Zebra Danio๐Ÿ  Zebra Loach๐Ÿ  Zebra Pleco

Use the Interactive Checker

Want to check a custom combination? Use our free tool.

๐Ÿ› ๏ธ Open Compatibility Checker