These gnarly weirdos roam though the deep sea...and into your NIGHTMARES. Living four kilometers below the ocean surface sure can make a fish cranky, but the whole "grumpy cat" look is not the only unique feature of this species. The anglerfish got tired of waiting around for prey, so it evolved a luminous beacon on its head. Fish from all over yell, "look at the shiny thing!" but the dummies are in for a rude awakening. Man...why can't humans evolve flashlights on our heads? Talk about handy.