basking shark
noun1
A very large shark, Cetorhinus maximus, that feeds at or close to the surface by filtering plankton from the water and is found in all the world's temperate oceans.
- Like the whale shark, the basking shark is a huge, slow-moving plankton feeder. Also like the whale shark, the basking shark is the sole member of a family created especially to accommodate it.1983, Richard Ellis, The Book of Sharks, Knopf, →ISBN, page 89: