Scleromystax barbatus is an ideal bottom dweller for the temperate community aquarium. These species should only be added to a mature tank where the temperature does not exceed 25 c.. Scleromystax spp. Have the ability to breathe air intestinally, so a small gap should be left between the surface of the water and the cover slides in order for the fish to come up to the surface and take air in. It may do this numerous times per day. This fish was formerly known as corydoras barbatus,and you may still see them on sale under this old synonym.. Tank setup:. As these fish frequently like to root about in search of food items, the aquarium should have a soft sand substrate which will help to protect the delicate sensory barbels. Provide plenty of shady hiding places and visual barriers amongst the decor, which could include driftwood, rocky caves,and robust aquatic plants such as anubiassp. Or java fern which can be anchored to the wood. It is important that the tank is well-filtered and has areas of decent current to help provide good levels of oxygenation. High water quality is a must, so regular partial water changes are essential.. Behavioural traits:. Although this is a generally considered a peaceful species, keep only one male with several females, unless the tank is more than 3ft long. This is a naturally shoaling species, so it is best to purchase a goodsized group, but be aware that mature males can be surprisingly aggressive towards one another, and there will need t...