In this edition of “Ask a Marine Biologist,” Dr. David Shiffman discusses osmoregulation and whether fish can adapt to different environmental conditions

Bright colors, large eyes and pouty mouths make sweetlips particularly photogenic fish. Learn these tricks to help guarantee picture-perfect results every time.

From “shivers” of sharks to “armies” of herring, the marine world is full of interesting and unique ways to refer to groups of animals.