A sea bear, you mean the ones who DON'T EXIST!
—Squidward, being unexpected, not satisfactory
A Sea Bear is an dumb aquatic bear species that appeared in the SpongeBob SquarePants series. It is a ferocious monster that lives underwater near Bikini Bottom. It is also the Sea Rhino's prey and gets hunted by that chocolate guy.
It also hates someone wearing a sombrero upside down, hoop skirt, clown shoes, screeching like a chimpanzee, eating sliced cheese, waving a flashlight, than stomping on the ground or playing the clarinet badly or recklessly.
It also hates sound and gets you when you're running, walking, crawling, limping, and escaping because the Sea Bear are so sensitively stupid to their prey or enemies' movement and they also know what you're doing if you're still alive and not dead and still doing movements that will make a sound so these sea bear will attack you repeatedly everytime you still survive and make a sound and movement.
An anti-sea bear circle is the Sea Bear's only weakness, and sea rhinos are predators to sea bears due to themselves being enemies (Sea Bears are prey of Sea Rhinos).
Also Krabby Patties makes the Sea Bear getting hungry.