These crabs are very attractive with white shells covered in black spots they are very active creatures and a must for all reef tanks. They are totally reef safe and fairly small ensuring they can get into all the tight spots to keep your algae under control. They will eat all unwanted algae and waste foodstuffs.
It is advised to add one crab for every 2 gallons of water.
These crabs require to be acclimatised slowly over a period of hours using the drip method.