Despite its sudden internet fame, Eulagisca gigantea is not a new discovery. It was first described in 1939 and inhabits the icy depths of the Southern Ocean around Antarctica. Because of the remoteness and harsh conditions of its environment, it remained largely unknown outside scientific circles until modern technology revealed its image to the wider public.

The worm grows to about 8 inches (20 centimeters) in length and possesses a retractable throat lined with sharp teeth. This unique feeding mechanism enables it to capture prey, showing that it is an active predator rather than a simple scavenger. Its adaptations allow it to thrive in one of the most extreme marine environments on Earth.

The worm’s shimmering golden bristles likely serve practical purposes beyond aesthetics. Scientists believe they help it move along the seafloor or deter predators. These features, combined with its unusual anatomy, make Eulagisca gigantea an important