[header] How to care for a sandfish skink [title] Get an appropriately sized terrarium. [step] Growing to an average of only 6 inches long, sandfish skinks take up little space in the reptile world. For a single adult skink, use a 10-gallon tank. 
Add an extra 7 gallons per extra skink. Use a horizontal tank to house them for they don't tend to climb much.