Introduced by pet fish stores, the (cray fish) is a giant among species of shrimp--growing longer than ten centimeters--and a fearsome combatant. Regardless of size, fellow occupants of a fish tank all give way to it. Even if a person gets hold of its backside, it can still lurch back and cause injury with its pincers.
由水族館引進的螯蝦，在蝦輩中屬體型碩大之流，長十幾公分，攻擊性強，不僅水族箱內的大小水族皆對之豎白旗，即使人們抓住其後胸，還是會被它靈活後仰的螯夾傷。