Tuna has some interesting relatives…
According to Science Daily, “deep sea fish such as the black swallower, with an extendable stomach that enables it to eat fish larger than itself, and manefishes, some sporting spiky fins like a Mohican haircut, are close cousins to mackerels and tuna”? Most people think that tuna is in a category of its own; but that may not be the case according to an Oxford study.
Dr Matt Friedman of Oxford said, ‘Discovering that such radically different fish species are related is a bit like finding that a seal is more closely related to a cat than it is to a walrus!' Dr. Friedman went on to say, 'What was immediately clear from our result is that the extended family of tunas and mackerels is made up of fishes that all look very different from one another, with different ways of life, but which share one key trait: they all dwell in the open ocean.'
Read the entire story at Science Daily