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 ...

To escape predators beneath the waves, a flying fish can shoot out of the water and glide long distances because its paired pectoral and pelvic fins, longer and more rigid than those of other fish, ...

If you’ve never eaten whole crispy fish, it’s a real treat. The cooking method is popular in many cultures, but my favorite style of the dish is Cuban. An entire yellowtail snapper is scaled, gutted, ...