They are not, as many people believe, a particular species of crab that comes only with a soft shell.

In total, there are about 6700 species of crab.

Types are divided by crab species, region, and cooking method.

There are several species of fish, shellfish and crab that have been documented.

It features the world's largest marine, land and migratory crab species.

It has been described as the world's "most highly cave-adapted species of crab".

It is one of the major crab species for United Kingdom fisheries.

The Park's wetland provides habitat for various species of lobster and crab as well.

There are more than 1,000 species of hermit crab.

Certain crab species of the islands are adapted to a purely terrestrial environment.