they observed no examples of brightly colored crayfish maintaining their colors as they evolved to have more aquatic ...

At first glance there isn’t much difference between the color of lobsters and crayfish – crayfish are dark blue, green, or black, while lobsters are greenish-blue or greenish-brown.

Color variations are common in crayfish, particularly blue, red, or orange. Everglades or Florida crayfish sometimes have blue patterns, and captive-bred individuals are often a vibrant blue.

New Yorkers looking to find an elusive blue crayfish will have to travel, albeit not far. Cambarus monongalensis are native ...

A new critter is creeping into the United States' waters. The invasive Australian redclaw crayfish has been spotted in southern Texas, roughly 8,000 miles from its home. The freshwater ...

Crayfish are best eaten from late spring to late autumn. Weather conditions affect their availability and cost, as does the spawning season (when the flesh of shellfish softens and has less ...

An invasive crawfish species originally from Australia has been seen in Texas since as early as 2013 and researchers are now studying how its presence could affect the local ecosystem. According ...

CHARLESTON, W.Va.— Following a petition and lawsuit by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today designated 446 stream miles of critical habitat for the Big Sandy ...