I was wondering if anyone knows of a site that has information on identifying native atlantic ocean crab species. When I go diving I keep seeing a shallow water crab (20-30 feet deep) that is maybe 3 inches wide with a black shell with yellow dots on it. I was hoping to find out whether or not such a crab is available for use in saltwater tanks and what sort of requirements they need. I would like to have a small saltwater tank with LR
that is based around a larger crab species with maybe a few smaller critters like snails and hermits (no fish).