This is the villain Plankton from SpongeBob. He was inspired by copepods, tiny crustaceans that drift in the water and go wherever the current takes them. . In some of my samples, I get thousands of them, and they cause me problems because they feast on my precious algae. They’re like little garbage disposals, anything that reaches their mouths gets devoured. . Copepods have two very different life stages. Adults look like the big one in the clip, while the young are the small, arachnid-like jum