WTF is a Nudibranch and Why is It So Cute?

Cal Poly Pomona biology Professor Ángel Valdés discusses the life expectancy of the nudibranch sea slug.“This probably varies with the species, and their habitat, but no one knows [how long they live] for sure. There is no way to tell their age based on their size and it is very difficult to keep most species in captivity for very long.”

This article appeared on on Jan. 13.