Giant new crayfish from Tennessee

Important new species are everywhere. That's something I've harped on in this blog since the beginning. Now a really surprising one has literally crawled out from under a rock in Tennessee. (Someone else has already used that line, but I don't care.) Hiding in freshwater stream beds is a crayfish twice the size of known species. That's still only 12.5 cm long, but it's pretty amazing no one has ever noticed a crayfish that should stand out from its fellow appetizers. Never stop looking!