He may look like the scum of the earth, but once you cross paths he's sure to grow on you.

Facts: Single celled algae are know scientifically as phytoplankton, or "plant drifters." Biddulphia is a type of phytoplankton that can be seen as light brown scum.

Purchase this plush to find out more! Great for use in the classroom, to annoy friends or just to have something off the wall for a conversation starter!