nudibranchs

5 beautiful new species of sea cucumbers found in the Pacific Ocean
Biologists have discovered a special group of nudibranchs on the sea floor of the northeastern Pacific Ocean.
The world's first bisexual luminescent sea slug
An underwater camera company in Australia discovered two-headed sea slugs with two genitals off the island of Borneo, Malaysia.
7 most bizarre creatures in the ocean
An ax-shaped fish with a face like an obese man ... is some of the most bizarre creatures in the ocean.
Watch the 'monsters' of the White Sea
A brave biologist infiltrated the harsh environment of the White Sea to capture images
A series of 'hearing is nausea' defense mechanisms of animals
Hidden in feces, vomiting on the enemy's face ... are 1-0-2 self-defense mechanisms of animals.