All 72 species
Care data and compatible tank mates for every fish, shrimp and snail we rate.
| Species | Adult size | Min tank | Temp | Temperament |
|---|---|---|---|---|
| Amano shrimp | 2.0 in (5 cm) | 10 gal | 64–82 °F | Peaceful |
| Angelfish | 5.9 in (15 cm) | 55 gal | 75–86 °F | Semi-aggressive |
| Bala shark | 13.8 in (35 cm) | 250 gal | 68–82 °F | Peaceful |
| Betta fish | 2.8 in (7 cm) | 10 gal | 72–86 °F | Semi-aggressive |
| Black neon tetra | 1.6 in (4 cm) | 20 gal | 68–82 °F | Peaceful |
| Black skirt tetra | 2.4 in (6 cm) | 20 gal | 68–79 °F | Semi-aggressive |
| Bloodfin tetra | 2.2 in (5.5 cm) | 20 gal | 64–82 °F | Peaceful |
| Boesemani rainbowfish | 4.3 in (11 cm) | 55 gal | 81–86 °F | Peaceful |
| Bolivian ram | 3.1 in (8 cm) | 55 gal | 75–82 °F | Peaceful |
| Bristlenose pleco | 5.1 in (13 cm) | 20 gal | 70–79 °F | Peaceful |
| Bronze cory | 3.0 in (7.5 cm) | 20 gal | 70–81 °F | Peaceful |
| Buenos Aires tetra | 2.8 in (7 cm) | 30 gal | 61–82 °F | Semi-aggressive |
| Cardinal tetra | 1.4 in (3.5 cm) | 20 gal | 73–84 °F | Peaceful |
| Celestial pearl danio | 1.0 in (2.5 cm) | 10 gal | 68–79 °F | Peaceful |
| Cherry barb | 2.0 in (5 cm) | 20 gal | 68–81 °F | Peaceful |
| Cherry shrimp | 1.2 in (3 cm) | 5 gal | 64–82 °F | Peaceful |
| Chili rasbora | 0.8 in (2 cm) | 10 gal | 68–82 °F | Peaceful |
| Chinese algae eater | 11.0 in (28 cm) | 75 gal | 72–79 °F | Semi-aggressive |
| Clown loach | 15.7 in (40 cm) | 180 gal | 75–86 °F | Peaceful |
| Cockatoo dwarf cichlid | 3.1 in (8 cm) | 20 gal | 72–84 °F | Semi-aggressive |
| Common pleco | 17.7 in (45 cm) | 125 gal | 73–82 °F | Peaceful |
| Congo tetra | 3.3 in (8.5 cm) | 30 gal | 73–82 °F | Peaceful |
| Convict cichlid | 5.9 in (15 cm) | 30 gal | 75–82 °F | Aggressive |
| Discus | 5.9 in (15 cm) | 75 gal | 79–86 °F | Peaceful |
| Dwarf gourami | 3.5 in (9 cm) | 10 gal | 72–81 °F | Semi-aggressive |
| Dwarf neon rainbowfish | 3.1 in (8 cm) | 20 gal | 73–82 °F | Peaceful |
| Electric yellow cichlid | 3.9 in (10 cm) | 55 gal | 75–82 °F | Semi-aggressive |
| Ember tetra | 0.8 in (2 cm) | 10 gal | 68–82 °F | Peaceful |
| Endler's livebearer | 1.2 in (3 cm) | 10 gal | 75–86 °F | Peaceful |
| Fancy goldfish | 7.9 in (20 cm) | 20 gal | 68–73 °F | Peaceful |
| Firemouth cichlid | 5.9 in (15 cm) | 40 gal | 68–90 °F | Semi-aggressive |
| Forktail blue-eye | 2.4 in (6 cm) | 20 gal | 75–82 °F | Peaceful |
| German blue ram | 2.0 in (5 cm) | 20 gal | 81–86 °F | Peaceful |
| Glass catfish | 2.6 in (6.5 cm) | 20 gal | 68–79 °F | Peaceful |
| Glowlight tetra | 1.6 in (4 cm) | 20 gal | 75–82 °F | Peaceful |
| Gold barb | 3.0 in (7.5 cm) | 30 gal | 61–75 °F | Peaceful |
| Guppy | 2.4 in (6 cm) | 10 gal | 63–82 °F | Peaceful |
| Harlequin rasbora | 2.0 in (5 cm) | 20 gal | 70–82 °F | Peaceful |
| Honey gourami | 2.2 in (5.5 cm) | 20 gal | 72–81 °F | Peaceful |
| Jack Dempsey | 9.8 in (25 cm) | 75 gal | 68–86 °F | Aggressive |
| Kribensis | 3.9 in (10 cm) | 30 gal | 75–81 °F | Semi-aggressive |
| Kuhli loach | 3.9 in (10 cm) | 20 gal | 70–79 °F | Peaceful |
| Lemon tetra | 2.0 in (5 cm) | 20 gal | 68–82 °F | Peaceful |
| Molly | 3.9 in (10 cm) | 20 gal | 70–82 °F | Peaceful |
| Mystery snail | 2.0 in (5 cm) | 10 gal | 70–79 °F | Peaceful |
| Neon tetra | 1.4 in (3.5 cm) | 20 gal | 70–77 °F | Peaceful |
| Nerite snail | 1.0 in (2.5 cm) | 5 gal | 72–77 °F | Peaceful |
| Odessa barb | 2.4 in (6 cm) | 30 gal | 61–77 °F | Peaceful |
| Oscar | 13.8 in (35 cm) | 180 gal | 68–82 °F | Aggressive |
| Otocinclus | 1.6 in (4 cm) | 10 gal | 70–79 °F | Peaceful |
| Panda cory | 2.0 in (5 cm) | 10 gal | 72–77 °F | Peaceful |
| Paradise fish | 3.9 in (10 cm) | 20 gal | 50–72 °F | Aggressive |
| Pea puffer | 1.2 in (3 cm) | 5 gal | 72–82 °F | Aggressive |
| Pearl gourami | 4.7 in (12 cm) | 30 gal | 75–86 °F | Peaceful |
| Peppered cory | 2.8 in (7 cm) | 20 gal | 68–75 °F | Peaceful |
| Platy | 2.4 in (6 cm) | 20 gal | 68–79 °F | Peaceful |
| Pygmy cory | 1.2 in (3 cm) | 10 gal | 72–79 °F | Peaceful |
| Rainbow shark | 5.9 in (15 cm) | 75 gal | 68–79 °F | Semi-aggressive |
| Red tail shark | 4.9 in (12.5 cm) | 75 gal | 68–79 °F | Semi-aggressive |
| Rosy barb | 5.5 in (14 cm) | 30 gal | 61–75 °F | Peaceful |
| Rummy nose tetra | 2.0 in (5 cm) | 20 gal | 73–79 °F | Peaceful |
| Serpae tetra | 1.8 in (4.5 cm) | 20 gal | 68–82 °F | Semi-aggressive |
| Siamese algae eater | 6.3 in (16 cm) | 75 gal | 68–79 °F | Peaceful |
| Sparkling gourami | 1.6 in (4 cm) | 10 gal | 72–82 °F | Peaceful |
| Sterbai cory | 2.8 in (7 cm) | 20 gal | 75–82 °F | Peaceful |
| Swordtail | 5.5 in (14 cm) | 30 gal | 61–82 °F | Semi-aggressive |
| Three spot gourami | 5.9 in (15 cm) | 35 gal | 75–86 °F | Semi-aggressive |
| Tiger barb | 2.8 in (7 cm) | 30 gal | 68–79 °F | Semi-aggressive |
| Upside-down catfish | 3.9 in (10 cm) | 30 gal | 75–82 °F | Peaceful |
| White cloud mountain minnow | 1.6 in (4 cm) | 20 gal | 57–72 °F | Peaceful |
| X-ray tetra | 1.8 in (4.5 cm) | 20 gal | 72–82 °F | Peaceful |
| Zebra danio | 2.0 in (5 cm) | 20 gal | 64–77 °F | Peaceful |