Have you ever been to the beach, seen a blue animal with specs of grey, green, red, and orange on it, and wondered what was crawling before your eyes? Their eyes, which were on stalks, almost seemed to penetrate right through you. Antennas poked from their heads, which they generally use for touch, taste, and smell. Did fear fill your mind when you saw it, thinking its teeth would soon be penetrating your skin? Worry not, this creature has no teeth, yet it has a very complex mouth structure. The intriguing animal that I have been describing is none other than: the Blue Crab.

Blue Crabs live from Nova Scotia to Argentina, yet are native to North America. Generally, they live in estuaries and open seawater, yet have been found in fresh water up to 189 miles upstream. They are the largest Macro-invertebrate to be found. They...