Blue Crab Identification | 水產百科網
Maleshaveblueclaws,and,likemosthumans,femalebluecrabspainttheirfingernails...Pregnantfemalebluecrabscarryfertilizedeggsundertheirabdomen....Duringthismating,themale'sspermistransferredtospecialsacsinsidethe ...
References Mating (www.bluecrab.info) Spawning (www.bluecrab.info) Claw Color
Heres an easy way to tell the difference between a male and female blue crab. Males have blue claws, and, like most humans, female blue crabs "paint their fingernails" (i.e., the tips of their claws are "painted" red!)
Abdomen
In addition to the claws, there are other (better) ways to determine the gender of a blue crab. But first, a little science.
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【漢氏梭子蟹Portunus haanii】梭子蟹科 (Portunidae)
水產分類:澎湖的蟹類中文名稱:漢氏梭子蟹學名:Portunushaanii科別名稱:梭子蟹科(Portunidae)命名學者:Stimpson1858
【真綿蟹Dromidiopsis dormia】綿蟹科 (Dromiidae)
水產分類:澎湖的蟹類中文名稱:真綿蟹學名:Dromidiopsisdormia科別名稱:綿蟹科(Dromiidae)命名學者:(Linnaeus1763)
【毛掌梯形蟹Trapezia cymodoce】梯形蟹科 (Trapeziidae)
水產分類:澎湖的蟹類中文名稱:毛掌梯形蟹學名:Trapeziacymodoce科別名稱:梯形蟹科(Trapeziidae)命名學者:(Herbst1799)