How does a crawfish differ from a crawdad?

Well, when the 12 pack of beer is full, you tend to say crawfish. When the 12 pack is empty you start saying crawdads. But in all honesty, crawfish, crawdad, crayfish, mud bug, Cajun roach, and many more are all synonymous. read more

Males and females of crayfish (also known as crawfish or crawdad) differ from each other in many ways such as body size, genitals, and the legs or swimmerets. read more

Crawfish is a dialectical variant of crayfish, referring to the same animal. This spelling is derived from the way the word crayfish is pronounced by some English speakers in the American South. Crawfish has become accepted in American English, especially in the context of regional dining. read more