Sesarma mederi

He is an excellent climber. He needs to get out of the water often, so it is impossible to keep it in aquarium, the best being the aquaterrarium. It should not be placed with fish with large fins. Be careful, he willingly attacks plants, not only to complete his diet but also to "sharpen" his pliers.

SESARMA MEDERI is a crustacean of the grapsidae family, commonly known as river crab. It is about 4 cm long and has a reddish shell covered with black hairs.

The males have more developed pliers, darker colors, the attachment of the exoskeleton attaches under the belly in "point" while that of the female forms a "u" and wider (when there is Eggs are there that it is).