Freshwater fish
Care facts, tank mates and setup for each species. We add more every week.
Good first fish
Rated easy to care for by our sources, not fin-nippers, and fine in a small tank.
All species
| Species | Group | Adult size | Smallest tank | Temperature |
|---|---|---|---|---|
 Angelfish Pterophyllum scalare | Cichlids | 5–6 in | 30 gallons (114 L) | 75–86°F (24–30°C) |
 Betta fish Betta splendens | Bettas | 2.5–2.8 in | 5 gallons (19 L) | 75–82°F (24–28°C) |
 Cherry shrimp Neocaridina davidi | Shrimp | 1–1.5 in | 5 gallons (19 L) | 64–83°F (18–28°C) |
 Common goldfish Carassius auratus | Goldfish | 8–12 in | 75 gallons (284 L) | 60–74°F (16–23°C) |
 Ember tetra Hyphessobrycon amandae | Tetras | 0.9–1 in | 10 gallons (38 L) | 73–82°F (23–28°C) |
Fancy goldfish Carassius auratus | Goldfish | 6–8 in | 20 gallons (76 L) | 65–74°F (18–23°C) |
 Guppy Poecilia reticulata | Livebearers | 1.5–2.5 in | 10 gallons (38 L) | 72–82°F (22–28°C) |
 Neon tetra Paracheirodon innesi | Tetras | 1.4 in | 10 gallons (38 L) | 70–77°F (21–25°C) |
 Pygmy corydoras Corydoras pygmaeus | Corydoras | 1 in | 10 gallons (38 L) | 72–79°F (22–26°C) |
 Tiger barb Puntigrus tetrazona | Barbs | 2.2–2.7 in | 30 gallons (114 L) | 72–80°F (22–27°C) |
 Zebra nerite snail Vittina natalensis | Snails | 1 in | 5 gallons (19 L) | 65–85°F (18–29°C) |