Stashed in: Best Videos, Under the sea!, Favorites, Animal Groups
A fever of rays!
What makes them mobular?
Apparently it's a genus of rays.
Rays are not on the list: http://www.rinkworks.com/words/collective.shtml
Best explanation of gravity I've seen: How Gravity Makes Things Fall
Cute Duck Swimming in Sink gifs
Sharkini Shark Swimsuit...