Salmon meat can make a delicious meal and, since it has plenty of vitamins and minerals, can be a great part of a nutritious diet. What really makes salmon stand out  though is its pinkish-orange color. What's up with that? We asked aquatic biologist Dr. Keegan Lutek to help us find the answer.

Got a question about something that seems fishy? Send it to us at BrainsOn.org/contact, and we’ll help get you an answer so you don’t have to keep flounder-ing about.