About 5,000 species of crustaceans in the order Isopoda live in Earth’s oceans. According to the National Oceanic and Atmospheric Administration, they all have two pairs of antennae, compound eyes, ...

Deep in the ocean lives a ghoulish fish with huge and menacing, fang-like teeth. The aptly named common fangtooth fish (Anoplogaster cornuta)—sometimes referred to by its nickname "ogrefish"—inhabits ...