If you are like me, you haven't a clue. But fortunately for us, the NC Aquarium has answered this and other similar questions on their Ask the Aquarium web page. So when you have some time and feel like learning something new, pay them a visit
(But first, click here for the answer on Skates vs Rays)
Here is just a small sampling of the questions they answer:
--What is a shark's sixth sense?
--What kinds of sharks are found off the North Carolina coast?
--What is the difference between an alligator and a crocodile?
--Which sea turtle is most commonly found in North Carolina?
--What kind of whales visit North Carolina?
--What fish are native only to North Carolina?
--How do fish defend themselves?
--What should I do about all those little green frogs that get on my outdoor houseplants each summer?
--How many venomous snakes are found in North Carolina?
--We like to catch blue crabs off the dock when we visit the beach, but when the weather cools we can’t find any. Where do they go?
--What sea shells can be found in North Carolina and when is the best time to look for them?