A dramatic scene in a water droplet one-fifth of an inch long: Top, a sea worm carrying an egg clutch fends off a shrimp-like larva. Bottom, the worm swims off while whipping the larva with her tail.

Underwater images in the Arctic sea. Alexander Semenov captures a beautiful lizard worm. "And yes, where I work, most of the time it is cold: 3-4 months a year I'm submerged in water at -1.5 ...

The blue, orange, and red sea angel boasts two subspecies with the northern variation living in colder water and maturing at 1.2 inches and reaching a size of 2.8 to 3.3 in.

Over 28 days in April, Lyagushkin spent around three hours a day under this ice in northwest Russia, photographing its incredible sea life including sea angels, caprellas, jellyfish, soft corals ...

The sea angel appears to ‘fly’ through the water. They are ‘pelagic’ or open water species, whose angel like wings and upright orientation give them a certain charisma to human eyes.