Biology
Bioluminescent Signaling and Mate Choice in Deep-Sea Anglerfish
Quick fact
Female deep-sea anglerfish can emit species-specific patterns of light from their bioluminescent lure, and males have large eyes specifically adapted to detect these glowing signals in the dark—suggesting that the lure is used to attract not only prey but also potential mates.
Why this is interesting
Imagine trying to find a date in complete darkness, where the only light is a glowing lure. Deep-sea anglerfish don't just use that light to catch dinner—they may use it to catch a mate.