What is the world coming to? An unsuspecting reef fish steps up to have its parasites removed by its favourite cleaner fish, the bluestreak cleaner wrasse, but instead of a thorough going over, it gets a nasty nip from the cleverly disguised bluestriped fangblenny, intent on a quick feed.Blkue striped fangblenny hides in coralMimics in nature have usually evolved to resemble foul-tasting animals, in a bid to protect themselves from predators, but the bluestriped fangblenny fish mimics a model -the bluestreak cleaner wrasse- that is not only harmless but actually beneficial to many reef fish species. Researchers at University of East Anglia, Isabelle Côté and Karen Cheney, have discover. . .