First stage larva of the deep-sea giant shrimp <i>Sclerocrangon rex</i> (Decapoda, Caridea, Crangonidae) under laboratory conditions

First stage larva of the deep-sea giant shrimp, Sclerocrangon rex is described and illustrated under laboratory conditions. The larvae hatched in the most advanced condition, such as in having stalked eyes, among the congeneric species with abbreviated development. The newly hatched first larvae were staying together by clinging maternal pleopods until the second stage.