Species lists
The library is 359 species deep and sorted by name, which only helps if you already know the name. These lists start from the question instead: the tank you have, the water that comes out of your tap, the light that came in the box.
Fish, shrimp and snails
Nano fish 15
Adult length up to 4 cm, and a minimum volume of 40 litres or less.
Fish for a first aquarium 80
Difficulty 1–2 of 5, peaceful or shy, not a predator, and our data on it is better than preliminary.
Peaceful community fish 134
Peaceful temperament, no fin-nipping, not a predator, and won't eat or uproot plants.
Shrimp-safe fish 56
Peaceful or shy fish up to 6 cm, small-mouthed, not carnivores and not predators.
Fish for hard water 75
Tolerates 18 °dH and above, and its comfortable range already begins at 8 °dH.
Bottom dwellers 107
Species whose main swimming zone is the bottom.
Fish for a 30 litre tank 16
Minimum volume of 30 litres or less, taken from each species' own requirement.
Fish for a 54 litre tank 45
Minimum volume of 54 litres or less, taken from each species' own requirement.
Fish for a 112 litre tank 153
Minimum volume of 112 litres or less, taken from each species' own requirement.
Plants
Easy aquarium plants 42
Difficulty 1–2 of 5.
Low-light aquarium plants 18
Light requirement rated low.
Plants without CO₂ 16
CO₂ requirement: none.
Foreground plants 17
Placement zone: foreground.
Plants for wood and rock 9
Grows attached to hardscape rather than planted in the substrate.
Floating plants 7
Grows at the surface.
Want a whole tank rather than a shortlist? See stockings we have already scored.
Looking for one particular species? Browse the whole library.