Today's Catch

Chrysaora melanaster is a jellyfish found in the Arctic.

Arctic Sea Jelly

Chrysaora melanaster , one of the largest jellyfish commonly found in the Arctic, swims underneath the Arctic ice . Its tentacles can stretch to more than 3 meters long and pack a mean sting for humans.

The Oil Spill From Above

In this view of the Deepwater Horizon oil spill from above in June 2010, you can see bright orange oil floating on the ocean's surface on the left and, on the right, a thin layer of oil reflects the colors of the rainbow. However, there is more...

Sea Monster Attack

A sea monster attacks a ship in an illustration for 20,000 Leagues Under the Sea by Jules Verne. The illustration is by publisher and artist Pierre-Jules Hetzel, who is most famous for his drawings in Verne's books. This terrifying monster looks a...
Pearl oysters create pearls when a hard particle is coated with calcium carbonate (nacre) after entering the oyster.

Pearls of Wisdom

When hoping to discover a pearl, looking inside one of the oysters you slurp may not be the best plan. Food oysters in the family Ostreidae are able to produce pearls, however these tend to be small, irregular, and worth very little . Most pearls...

Cashes Ledge

Cashes Ledge is an underwater mountain range off the New England coast, which is home to a great diversity of life. Because the rocky and steep peaks almost reach the surface in some areas, it is dangerous for fishermen. As such, they avoided it,...
The Eastern cleaner clingfish cleans parasites off of larger fish.

The Eastern Cleaner Clingfish

The Eastern cleaner-clingfish ( Cochleoceps orientalis ) has its job title in its name: “cleaner.” They prove invaluable to larger fish by removing parasites to keep the larger fish clean and healthy. To do their job, Eastern cleaner-clingfish move...

Climate Change Game of Tetris

Remember playing Tetris? Originally developed in 1984, the video game in which blocks of various shapes rain down and the player needs to find a way to fit them together is now ubiquitous. This TED ED video compares Tetris blocks to carbon dioxide...
10 grains of star shaped sand collected from southern Japan

Star Sand Grains Collected from Southern Japan

These star-shaped grains of sand, collected from southern Japan, look like miniature works of art -- but they were not sculpted by an artist. They are the shells of microscopic organisms called foraminifera , which build intricate shells from the...
Two bright orange anemonefish poke their heads between anemone tentacles.

Clownfish in their Host Anemone

Two bright orange anemonefish ( Amphiprion ocellaris ) poke their heads between anemone tentacles. Anemonefish are able to swim amongst the stinging tentacles without getting stung — but no one knows exactly sure how. One dominant theory explains...
A beluga whale

Baby Beluga

Beluga whales are naturally vocal animals. They are often called “ canaries of the sea ” thanks to their wide repertoire of sounds such as whistles, squeals, moos, chirps, and clicks. Some researchers believe they even found a beluga that tried to...

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