Camouflaging in the open ocean presents unique challenges. The brighter downwelling light from above creates dark silhouettes of objects when viewed from below, even for animals with countershading.

The latest addition is the Marine Organismal Body Size (MOBS) database, an open-access resource that—as its name implies—has ...

This deep-sea shark is one of the world’s largest glowing animals. A new study has found that three species of deep-sea shark, including the six-foot-long kitefin shark, are bioluminescent.

A new database detailing the maximum body size of marine life will shed light on species at risk from climate change and habitat degradation, paving the way for targeted protection.

So far, the Marine Organismal Body Size Database includes the maximum size of some 85,200 marine species. Biologists have launched a database of marine animals’ body sizes that they say could help ...