Researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Nicknamed the 'mystery mollusc,' the nudibranch Bathydevius caudactylus swims through the ocean's midnight ...

MBARI researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Bathydevius caudactylus ...

A video of a woman who meets a "surfing buddy" sea lion in the Galápagos Islands of Ecuador has captivated viewers on TikTok.

California sea lions are in Monterey Bay National Marine Sanctuary year round, and their population is increasing.

A year after an outbreak of H5N1 killed thousands of elephant seals, only about a third of the seals normally expected here ...

Sandy beaches are beloved recreational settings, and they are also one of the world’s most endangered ecosystems. Up to 70% ...

A new glowing nudibranch species is the first known to swim through the ocean’s midnight zone and has unique adaptations for ...

As sea lion videos go viral — some cuddly-looking ... La Jolla’s coast now feels more like a safari, with the two species coexisting, lounging side by side in the sand and swimming together ...

When we think of ocean animals, jellyfish might not be the first thing that comes to mind, but they’re full of surprises- - ...

This creature stands out as not only the deadliest jellyfish, but also one of the most potent venomous species in the world. Sea wasp venom can cause paralysis ... due to their extremely painful ...

California sea lions are in Monterey Bay National Marine ... (or dead anchovies washed up on the shore). With key prey species abundant in the bay, it is a great time of year to see incredible ...