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Florida stone crab : ウィキペディア英語版 | Florida stone crab
The Florida stone crab, ''Menippe mercenaria'', is a crab found in the western North Atlantic, from Connecticut to Belize, including Texas, the Gulf of Mexico, Cuba, The Bahamas, and the East Coast. The crab can also be found in and around the salt marshes of South Carolina and Georgia. It is widely caught for food. The closely related species ''Menippe adina'' (gulf stone crab) is sometimes considered a subspecies – they can interbreed, forming hybrids – and they are treated as one species for commercial fishing, with their ranges partly overlapping. The two species are believed to have diverged approximately 3 million years ago.〔(A Proposed Evolutionary History of Stone Crabs )〕 ==Description== The stone crab's carapace is wide. They are brownish red with gray spots and a tan underside, and have large and unequally sized chelae (claws) with black tips. In addition to the usual sexual dimorphism exhibited by crabs, the female Florida stone crabs have a larger carapace than males of a similar age, and males generally have larger chelae than females.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Florida stone crab」の詳細全文を読む
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