New to aquariums?
Start with the essentials before choosing fish, shrimp, snails or plants.
Freshwater fish
Browse by group or by what your tank needs, with care, size and tank mates on every profile.
Freshwater shrimp
From hardy Neocaridina to specialist Sulawesi species, with the water each one needs.
Snails and invertebrates
Snails, crabs and crayfish, with what each one eats and whether it will breed in your tank.
Aquarium plants
Browse by plant type or by what your tank can give, from low-light epiphytes to high-tech carpets.
Practical help, right when you need it
From your first setup to stubborn tank problems, find clear freshwater guidance without the guesswork.
Free aquarium tools
Check compatibility, find species that suit your tank, and work out the sums for water, heat and flow.
Reference material for freshwater aquarium keepers: guides, directories and tools from Underwater Greens in one place.
