The water section should have a bare bottom or sand substrate to avoid impaction, with abundant aquatic plants.
Yet in moderation shallow and deep sand substrates have water available to Pachypodium.
With shallow sand substrates, Pachypodium grow on sand dunes near the sea.
This plant grows in Florida scrub habitat on white sand substrates among sand pines and oaks.
Serradigitus miscionei seems to prefer vertical sand substrate, which is not commonly seen in other scorpion species.
Construction was far from easy with the sand substrate collapsing into pits and water flooding the workings.
Use a fine gravel or sand substrate.
N. similis favor a sand substrate in the aquarium and benefit from having access to many empty snail-shells.
Adult fish seek shallow areas of rivers with fine, sand substrate and moderate current.
Usually the males will make the nest on a hard sand substrate.