Scary, squishy, cool ... Moon jellies swirl in a tank at Japan’s Kamo Aquarium. Popular with professional and home aquarists, moon jellies have nematocysts, or stinging cells, but they ...

A Russian mermaid performer, who went viral after a fish in the aquarium tank she was swimming in attacked her, is speaking out after the scary incident. It was Tuesday, Jan. 28 when 22-year-old ...