A lionfish terminator

Scientists are developing a robotic remote operated vehicle armed with shock paddles that is designed to electrocute invasive lionfish to death without harming surrounding sea life.

Lobster poop and jellyfish

Scientists have wondered how animals are able to eat cnidarians (corals, jellyfish, etc.) that possess nematocysts (stinging cells) without their insides getting all stung up. Researchers have found that lobsters encase their feces with a protective membrane to prevent the stingers from firing off in their digestive tracts.