Who do eels harm?

Where did the word fish originate from? What are the nick names of doctor fish? What does an ogre fish eat? Can you keep tiger barb and moleys together in a fish bowl? How often can a fish lay eggs? Why are red fish called red fish? Do fish have ears? What color goes with salmon pink? Fish in marine biome? How do you make heels not make noise when i walk? Does Siren can fell in love with human? How hot is megalodons blood? Do sea horses menstruate? What type of bait do you use for bluegills? Why was the journey west difficult and dangerous for white people? Is there such thing of mermaids? What should hermit live in? How do you escape the cage in questions for a crab? What is salmons dhivehi name? Can an angelfish get hurt if you put a green spotted puffer fish with it?