Pachygrapsus marmoratus is a species of crab, sometimes called the marbled rock crab or marbled crab, which lives in the Black Sea, the Meditarranean Sea and parts of the Atlantic Ocean ...
In this short video you can see an unusual grouping of hermit crabs Clibanarius erythropus. The video was made at the end of July. This period of summer coincides with the reproduction period of these unique marine crabs ...