AquariumStocking by tank size
What fits in your tank?
Pick a standard tank size to see which of our 106 sourced species fit, plus stocking combinations that pass every check in the tank builder.
5 Gallon16×8×10 in4 species fit · 1 tested combos10 Gallon20×10×12 in13 species fit · 1 tested combos20 Gallon Long30×12×12 in53 species fit · 3 tested combos29 Gallon30×12×18 in53 species fit · 3 tested combos40 Gallon Breeder36×18×16 in73 species fit · 3 tested combos55 Gallon48×13×21 in83 species fit · 3 tested combos75 Gallon48×18×21 in92 species fit · 3 tested combos125 Gallon72×18×21 in94 species fit · 3 tested combos