One of the world’s rarest large saltwater fish, a louvar, has turned up off Cabo San Lucas, Mexico. Very little is known about the pink-coloured fish, except that it grows to more than 6ft with a weight of more than 300lb, and has a characteristic bulging forehead. Louvar are occasionally found in surface waters of temperate and tropical oceans, feeding mainly on jellyfish, squid and soft-bodied planktonic animals. The story of its capture, and a slightly unscrupulous skipper who tried to claim he had caught it, is documented here. The International Game Fish Association has no records for the louvar.