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porcelain crab
Porcelain crabs are decapod crustaceans in the widespread family Porcellanidae, which superficially resemble true crabs. They have flattened bodies as an adaptation for living in rock crevices. They are delicate, readily losing limbs when attacked, and use their large claws for maintaining territories.
==Description==
Porcelain crabs are small, usually with body widths of less than . They share the general body plan of a squat lobster, but their bodies are more compact and flattened, an adaptation for living and hiding under rocks.〔 Porcelain crabs are quite fragile animals, and will often shed their limbs to escape predators,〔 hence their name. The lost appendage can grow back over several moults. Porcelain crabs have large chelae (claws), which are used for territorial struggles, but not for catching food.〔 The fifth pair of pereiopods is reduced and used for cleaning.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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