Do sharks really die if they stop swimming?

I have a tendency to a be a bit of a busybody. While my preferred comparison for all that running around has always been the ever-mobile wolverine (the namesake for Gulo in Nature!) another animal is a frequent comparison. People often use sharks as an example of an animal that always has to keep moving. Supposedly, if a shark stops …

Do lobsters really mate for life?

Has anyone ever told you that you’re their lobster? After an episode from the second season of the famous sitcom Friends, lobsters have been an unexpected symbol of true love. In episode 14, Phoebe tells Ross that his love for Rachel is like that shared by lobsters for their lifelong mates. “It’s a known fact that lobsters fall in love …

What are coral reefs?

Often called “rainforests of the sea”, coral reefs are an iconic marine habitat. Furthermore, they’re a fixture of advertisements for tropical vacations. Tourists are dazzled by the vibrant colors and incredible biodiversity of these busy undersea ecosystems. But what are coral reefs? And how do they form? In this Naturalist Answers post, we’ll learn about coral reefs, what they are, …