Hermit crabs are born in saltwater surroundings, and even terrestrial hermit crabs start life as aquatic zoea evolve into crustaceans. So, all captive hermit crabs need saltwater. Add marine salt […]

Most kinds of sand are hermit crab-safe, except calcium sand (vita sand or reptile sand). It solidifies when exposed to moisture, which can trap or suffocate pet hermit crabs. Also, […]