Best fish by tank size
Pick your tank to see which fish fit and three stockings that work.
- 5 gallon tank19 litres, about 16 in (41 cm) wide. 12 of 100 species fit.
- 10 gallon tank38 litres, about 20 in (51 cm) wide. 35 of 100 species fit.
- 20 gallon tank76 litres, about 24 in (61 cm) wide. 64 of 100 species fit.
- 29 gallon tank110 litres, about 30 in (76 cm) wide. 76 of 100 species fit.
- 40 gallon tank151 litres, about 36 in (91 cm) wide. 83 of 100 species fit.
- 55 gallon tank208 litres, about 48 in (122 cm) wide. 94 of 100 species fit.
- 75 gallon tank284 litres, about 48 in (122 cm) wide. 97 of 100 species fit.
- 125 gallon tank473 litres, about 72 in (183 cm) wide. 100 of 100 species fit.