Tangerine Crayfish Snails Krill are small crustaceans that

Krill are small crustaceans that are high in Omega 3 and Omega-6 fatty acids

so one thing you can not go without when housing an Arowana is a lid

3" x 3" x 4

blanketweed

durability

Tangerine Crayfish Snails Krill are small crustaceans thatThe Crayfish is a freshwater crustacean commonly found in the aquarium hobby. The average Crayfish reaches 3" in size and should be housed in a minimum of 30 gallons. There are not many fish you can put with your Crayfish, but if you wish to keep more than one Crayfish together, you will need a larger aquarium to avoid aggression. You should provide your Crayfish with hiding spots and caves.