Blue Shark (Prionace glauca): What It Is, Key Traits, Size, Danger Level, and Diet

The blue shark (Prionace glauca)—often called tintorera in Spanish—is named for its distinctive metallic blue coloration. It is a pelagic shark (open-ocean dwelling) and an elasmobranch, meaning it belongs to the group of cartilaginous fishes that includes sharks and rays. It is found across ocean...