Diogenidae
Calcinus laevimanus
The Left Hand of hermit crabs ( Diogenidae ) resemble the Paguridae, is with them only the left scissors tend to be larger. With it, the opening of the screw housing, in which the cancer is alive, to be closed. Like all decapods ( Decapoda ) they have five pairs of limbs, a pair of scissor legs, two pairs of walking legs, sticking out of the shell and which they use to hold two pairs of small, stunted legs the shell.
There are about 350 species, including 50 alone in the genus Dardanus. Dardanus arrosor lives in symbiosis with the parasite Rose ( Calliactis parasitica ), which he planted on the housing. If he changes it, he replaces his anemones and puts it on the new one. The type Paguristes oculatus also forms a symbiosis with parasites roses. There are also left-handed hermit crabs use the no shell, but to put the sea anemones directly on the body.
Some smaller species of Diogenidae as Calcinus, Clibanarius and Paguristes are as algae - eaters and residues in seawater aquarium popular roommate in coral reef aquariums.
The eponymous genus Diogenes is named after the ancient Greek philosopher Diogenes of Sinope, who is said to have lived in a barrel, according to legend.
Genera
- Aniculus ( Dana, 1852)
- Calcinus ( Dana, 1851)
- Cancellus (H. Milne Edwards, 1836)
- Ciliopagurus (Forest, 1995)
- Clibanarius ( Dana, 1852)
- Dardanus ( Paul'son, 1875)
- Diogenes ( Dana, 1851)
- Paguristes ( Dana, 1851)
- Strigopagurus (Forest, 1995)
- Tisea ( Morgan & Forest, 1991)
- Trizopargurus
Dardanus megistos
Trizopagurus strigatus