They're red, have pincers that can draw blood and are quickly taking over a handful of Michigan ponds. The red swamp crayfish are in Michigan, and the fear is that they could be here to stay.

Whatever you happen to call them—crawfish, crawdads, mudbugs—crayfish are pretty tasty. They also have a pretty remarkable ability to regenerate neurons from blood cells. Understanding brain ...

In crayfish, blood cells are attracted to the niche. On any given day, there are a hundred or so cells in this area. Each cell will split into two daughter cells, precursors to full neurons, both ...

Dusty crayfish generally have smooth bodies, large eyes, and claws. They also have two general color forms–purple and blue. The purple form crayfish have turquoise bodies and purple spots, with ...

Marbled crayfish measure anywhere between 3-5 inches in length, with small, elongated claws that are about half the length of their back, according to the Invasive Species Centre.

A pair of biologists, one with West Liberty University, the other with Arizona State University, both in the U.S., has found evidence that challenges theories surrounding bright coloration always ...