In its juvenile form, the crab is a dark brown, purple, or orange in color. They live on small islands in the tropical Indian and Pacific oceans. 6. Michelle on September 12, 2009: However the crab might be exceptionally big in size, it may have flesh on its claw portion as well you should check it once before discarding. They require access to both fresh and saltwater pools that are big enough to climb in and out of but not deep enough for them to drown — these crabs do not swim. Blue land crabs are the largest land crab in Florida. This is a land hermit crab and will actually die if submerged in the water. It is closely related to the hermit crab and king crab. Land crab, any crab of the family Gecarcinidae (order Decapoda of the class Crustacea), typically terrestrial, square-bodied crabs that only occasionally, as adults, return to the sea. They are a big crab. In the wild, this flat crab greatly prefers to live in areas with a lot of rocks with crevices that it can hide in. Scientifically, they're known as Cardisoma quanhumi. An adult body shell (or carapace) may measure up to 116mm across. They are a game species, so you must have a Florida fishing license or sea fishing license to harvest them. There is a closed season on them to protect them during their spawning season. It is estimated that 40 – 50 million of these bright red land crabs live in their preferred shady sites all over the island. In the Chagos at least, the crabs should be relatively safe. Their carapace (shell width) is about 2.5cm (~1 inch) wide. Coconut Crab = 1 meter. The gercarcinus is generally called the land crab with large claws. In the wild, this flat crab greatly prefers to live in areas with a lot of rocks with crevices that it can hide in. 620 S. Meridian St. • Tallahassee, FL • (850) 488-4676 It's too early to say how the crabs are doing, Koldewey says. It is closely related to the hermit crab and king crab. Blue Crabs in the Gulf Aside from their ecological importance, blue crabs are one of the most economically important fisheries of the Gulf. These crabs are intelligent and quite accomplished architects. You can buy shells and bags of natural stones at the dollar store or a craft store to decorate the tank. 6 things to know about your Hermit Crab. The first juvenile stage of the blue crab measures about 1/10 of an inch across the spines. The coconut crab (Birgus latro) is a species of terrestrial hermit crab, also known as the robber crab or palm thief.It is the largest land-living arthropod in the world, with a weight up to 4.1 kg (9.0 lb). They live in underground burrows, lined with fibres from coconut husks. Nowadays it seems they are being hunted by rats, which have been introduced to some of their islands. The minimum legal width for a male blue crab is 5 inches. Purple Pincher crabs can live for decades and reach the size of a softball (huge compared to the young crabs you typically see in stores). It can grow to up to 1 m (3 ft 3 in) in length from each tip to tip of the leg. The practice of stripping or otherwise molesting eggbearing blue land crabs in order to remove the eggs is prohibited and the harvest, possession, purchase or sale of blue land crabs from which the eggs, egg pouch or bunion has been removed is prohibited. The Birgus latro or coconut crab can grow to be up to 5 kg heavy (11 pounds), and can grow to be up to 1 meter in length from leg to leg. They can be up to 12 mm (0.47 in) in length and are thought to be one of the smallest species of land hermit crabs. Size Hermit crab species come in a range of sizes, from a fraction of an inch (a few millimeters) to nearly the size of a coconut. The spider crab resides in the waters surrounding Japan, and it has the longest leg-span of all the arthropods. 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