Yes, they are great on sand.
Males are slightly smaller and more slender when viewed from above. Females are a little bigger and more rounded when viewed from above.
Males are slightly smaller and more slender when viewed from above. Females are a little bigger and more rounded when viewed from above.
/www.aquarium-parts.co.uk/acatalog/Buy_an_AquaStart_Aquarium.html

Heres a pic on how much dirt was taken out from the sand