Many fish species evolved parts of their fins into sharp, spiny, needle-like elements -- called fin spines -- that function to protect the fish against predators. Such spines have evolved ...

Pacific spiny lumpsuckers' tiny, plump bodies and adorable appearance make them essentially wild kawaii. They are awkward swimmers, so to avoid being swept off by currents in their coastal homes, ...

The diminutive predator is a terrible swimmer but thrives in the intertidal zone thanks to odd evolutionary adaptation. A Pacific spiny lumpsucker specimen under fluorescent light. Its bony scales ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Pufferfish are among the most unique fish in the sea—and sometimes in freshwater too! As their name suggests, pufferfish can inflate like a balloon, transforming from a seemingly ordinary fish into a ...

In the movie "A Fish Called Wanda", the villain Otto effortlessly gobbles up all the occupants of Ken`s fish tank. Reality, however, is more daunting. At least one unfortunate fan who re-enacted this ...