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Xanthidae is a family of crabs known as gorilla crabs, mud crabs, pebble crabs or rubble crabs. [1] Xanthid crabs are often brightly coloured and are highly poisonous, containing toxins which are not destroyed by cooking and for which no antidote is known.
Zosimus aeneus, also known as the devil crab, toxic reef crab, and devil reef crab is a species of crab that lives on coral reefs in the Indo-Pacific from East Africa to Hawaii. It grows to a size of 60 mm × 90 mm (2.4 in × 3.5 in) and has distinctive patterns of brownish blotches on a paler background.
The coconut crab (Birgus latro) is a terrestrial species of giant hermit crab, and is also known as the robber crab or palm thief. It is the largest terrestrial arthropod known, with a weight of up to 4.1 kg (9 lb). The distance from the tip of one leg to the tip of another can be as wide as 1 m (3 ft 3 in).
Cancer pagurus, commonly known as the edible crab or brown crab, is a species of crab found in the North Sea, North Atlantic Ocean, and perhaps the Mediterranean Sea. It is a robust crab of a reddish-brown colour, having an oval carapace with a characteristic "pie crust" edge and black tips to the claws.
Lybia edmondsoni is a species of small crab in the family Xanthidae and is endemic to the Hawaiian Islands.Like other members of the genus Lybia, it is commonly known as the pom-pom crab or boxer crab because of its habit of carrying a sea anemone around in each of its claws, these resembling pom-poms or boxing gloves.
The meat of Atergatis floridus, like that of many related crab species from the family Xanthidae is toxic.The toxins are synthesised by bacteria of the genus Vibrio which live in symbiosis with the crab and the poisons are one similar to those found in puffer fish, i.e. tetrodotoxin, and also saxitoxin which is the primary toxin involved in paralytic shellfish poisoning.
Kiwa hirsuta is a crustacean discovered in 2005 in the South Pacific Ocean. [1] This decapod, which is approximately 15 cm (5.9 in) long, is notable for the quantity of silky blond setae (resembling fur) covering its pereiopods (thoracic legs, including claws). Its discoverers dubbed it the "yeti lobster" or "yeti crab". [2]
They are known to be cannibalistic, and consume smaller crabs, small reptiles and amphibians, molluscs, fish, and insects if they can catch them. While juvenile and adult crabs spend most of their time on dry land, the females must return to the ocean to release their eggs. The eggs hatch into microscopic larvae, and later on develop into young ...