A first-ever analysis of the whole Greenland shark genome gives researchers a couple of clues to their longevity.

Other than sharks, rockfish are one of the longest-living fish species. There are 88 different species of rockfish, and all have the potential to live a long life. However, the rougheye rockfish ...

The real-age champions are found in water, frequently at very deep depths with steady, predictable circumstances. Here is a list of the longest-living animals ...