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The Japanese spider crab has an armored exoskeleton that helps protect it from larger predators such as octopuses, but also uses camouflage. The crab's bumpy carapace blends into the rocky ocean floor. To further the deception, a spider crab adorns its shell with sponges and other animals. [10] The way in which a spider crab is able to pick up ...
Japanese spider crab (Macrocheira kaempferi), the largest living species of crab, found on the bottom of the Pacific Ocean. Libinia emarginata , the portly spider crab, a species of crab found in estuarine habitats on the east coast of North America.
Longnose spider crab: Atlantic coast of North America: Uses noxious alga Dictyota menstrualis [1] Loxorhynchus crispatus: Masking or moss crab: Eastern Pacific Ocean [1] Prefers to decorate with bryozoan Bugula neritina: Hyas araneus: Great spider crab: North Atlantic, North Sea [5] Camposcia retusa: Harlequin crab or spider decorator crab ...
Macrocheira is a genus of crab in the superfamily Majoidea. [1] It contains the Japanese spider crab ( Macrocheira kaempferi ) as well as an extinct species, Macrocheira longirostra . [ 2 ]
Majidae is a family of crabs, comprising around 200 marine species inside 52 genera, with a carapace that is longer than it is broad, and which forms a point at the front. The legs can be very long in some species, leading to the name "spider crab".
Leptomithrax gaimardii (common name - Great spider-crab) is a species of crab in the Majidae family, first described by Henri Milne-Edwards in 1834 as Paramithrax gaimardii, [3] [4] from a specimen (erroneously said to be) found in New Zealand waters [3] by Joseph Paul Gaimard who is honoured by the species epithet.
As a decorator crab, this crab attaches seaweed or algae from its environment to the hooked hairs on its body, which gives this crab camouflage along the ocean floor. [6] Hairy seaweed crabs change their camouflage with 10-20% of the cover being replaced each day, this causes their movement to be very sluggish like many other spider crabs.
Maja squinado (the European spider crab, spiny spider crab or spinous spider crab) is a species of migratory crab found in the Mediterranean Sea. [1] The appearance of the European spider crab is similar to the much larger Japanese spider crab, although the European spider crab belongs to the family Majidae, and the Japanese spider crab belongs to a different family of crabs, the Macrocheiridae.