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 ...

Two males of the cichlid fish Astatotilapia burtoni, the model organism used to study spine and soft-ray development in Hoech et al. (Credit: Joost Woltering) Two males of the cichlid fish ...

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 ...