Small but mighty and venomous creatures have caused the closure of tourist beaches for a second time in southeastern Spain this week after they were discovered in the water, local authorities ...

Kleptoplasty. It sounds cool. It is cool. Acquired phototrophy is a process where organisms - usually aquatic protists or metazoans - acquire and retain photosynthetic endosymbionts or their ...

Monterey Bay researchers have discovered a remarkable new species of sea slug that lives in the deep sea. The glowing nudibranch swims through the ocean’s midnight zone with a large gelatinous hood ...

Beaches in the town of Guardamar del Segura, in southeastern Spain, closed earlier this week after the discovery of two venomous sea slugs in the water, local authorities announced. Due to the ...

It might look like something you'd find in an alien salad, but this bizarre sea slug can actually steal body parts from other organisms and use their powers for itself. The lettuce sea slug (Elysia ...

In 2000, scientists spotted a bioluminescent mollusk in the deep sea. The animal was so unique that they had no idea what it was until they did genetic testing. It turned out to be a new species of ...

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