Crayfish are freshwater crustaceans resembling small lobsters (to which they are related). Taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea. They breathe through feather-like gills.

Crayfish are the largest and longest-lived invertebrates in many of the habitats where they occur, and they frequently achieve high population densities in both epigean and hypogean habitats, especially relative to other large-bodied taxa (Lodge and Hill, 1994).

crustaceans

Like “true” lobsters and contrary to rock lobsters, crayfish have a smooth carapace and a large pair of claws, used to crush and tear food. Crayfish also have two pairs of legs ending in pincers and two pairs of simple walking legs. Crayfish in the wild. Crayfish have claws and a smooth carapace, like “true” lobsters.

In other words, crawfish are way closer to clawed American lobster than they are to clawless California or Caribbean spiny lobster! Zabar has a background in marine biology, because it is actually more correct to call crawfish “lobsters” than it is to call all those tropical non-clawed lobsters “lobsters.”

Everyone loves crayfish, or crawfish as most people I know call them. So if you’re allergic to shrimp, you’re also allergic to roaches because they’re so closely related. …

Crawfish, crayfish, and crawdads are the same animal. Louisianans most often say crawfish, whereas Northerners are more likely to say crayfish. People from the West Coast or Arkansas, Oklahoma, and Kansas often use the term crawdad. In the Mississippi Delta, they call them mud bugs.

Does the chlorine and other chemicals in tap water kill/effect the crawfish…. like fish? Straight tap will kill live fish if not treated first.

Every marbled crayfish is female—and they reproduce by cloning themselves. They were all female, and they all laid hundreds of eggs without mating. These eggs, in turn, hatched into hundreds more females—with each one growing up fully able to reproduce by herself.

The hatching period depends on temperature and usually takes about 3 weeks. Every marbled crayfish is female—and they reproduce by cloning themselves. They were all female, and they all laid hundreds of eggs without mating. The crayfish will either mate and start the process over again, or it will die.