Glow-in-the-Dark Sharks At Risk?

One of the first ever detailed studies on deep water lantern sharks, so named for their ability to glow in the dark, has found they are in danger of extinction. Recent studies have linked declines in shark populations to the collapse of entire marine ecosystems. The loss of lantern sharks could devastate other ocean life globally, as many lantern sharks have wide ranges. Researchers focused on one species in particular, the smooth lantern shark, commonly caught as by-catch in Portuguese trawling and longline fisheries. Since the bioluminescent shark has little commercial value, the fishermen usually just discard it...