09/04/2026
Dee Dee Tatum
In 2019, scientists confirmed a creature so rare it almost slipped through unnoticed: a brand-new species of pocket shark.
Mollisquama mississippiensis — discovered in the Gulf of Mexico — measures just 14 centimeters long, yet carries an extraordinary gift. It glows.
The specimen was first collected in 2010 during a s***m whale study, stored away until experts at NOAA and Tulane realized years later what they had found. A species unknown to science, one of only a handful of sharks with the power to sq**rt luminous fluid.
Behind its gills sit pocket-like glands that release light, a living lantern in the deep sea. Its skin is scattered with tiny photophores, creating a soft glow in the blackness. Scientists believe this light may lure prey, confuse predators, or act as camouflage in the abyss.
CT scans and X-rays revealed more secrets — fewer vertebrae than its relatives, distinctive teeth, and a unique jaw structure that may sense pressure in the crushing depths.
Before this, only two other sharks were known to share this glowing trick: the taillight shark and a rare Pacific pocket shark. The discovery is a reminder that even now, the ocean hides mysteries waiting in silence, glowing in the dark where human eyes almost never reach.
