In Japan, fish is eaten on the order of 17 million tons per year
Lipstick sometimes contains fish scales
Fish can feel pain.
If a female fish sees her lover lose a fight, she loses interest.
Female fish can fake an orgasm to trick the male into thinking they've successfully mated and swim off to find a better partner.
The capybara was once classified by the Catholic Church as 'fish' so that it could be eaten during Lent.
Fish flesh can come in various colors -- the blue lingcod has distinctly blue flesh which, when cooked, becomes white.
The whale shark is the largest fish– it can be over 50 feet long and weigh two tons
Fish are the most popular pets
Fish have eyelids.
Fish eggs can sometimes survive being digested by ducks, which might explain how fish ‘miraculously’ appear in bodies of water where they otherwise never existed.
A fish at the Vancouver Aquarium was given a prothetic eye so it wouldn't be bullied by other fish.
The age of fish can be determined in a similar way to trees. Fish scales have one growth ring for each year of age.
The archer fish can spit water up to 7 feet to shoot down bugs from overhanging leaves.
Fish are almost all cold-blooded with the single exception of the Opah