
They do not swim, although I have a current through filtration and an air stone. All they do is either float on the water surface, stay at the bottom of the tank, or stay in the corner of the tank.

π Spectrastone Shallow Creek Regular: Enhance your Freshwater Aquariums with a 5-Pound Bag
9 Review

18lb BLQH Aquarium Gravel River Rock with Pebbles Stones β Natural Polished Decorative Gravel for Garden Landscaping and Ornamental Rocks in Mixed Colors
12 Review

Miukada 5lb River Rocks, Pebbles, Decorative Polished Gravel β Natural Mixed Color Stones
9 Review

π³ Hygger Betta Log: Resin Hollow Tree Trunk Ornament for Betta Fish Tank Decor, Wood House Aquarium Accessories
9 Review

Jasonwell Magnetic Aquarium Fish Tank Glass Algae Cleaner - Floating Brush (L Size)
37 Review

Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review

π§² Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
34 Review

Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review