Gotcha! 

To catch a meal, a determined northern gannet slices into the waters off the island of Noss in Shetland, Scotland. The diving birds can break the water’s surface at 70 miles an hour and have nostrils that seal shut, allowing them to dive to depths up to 50 feet. “I took this picture … from a small boat using an underwater housing,” Your Shot photographer Felipe Foncueva explains, “surrounded by thousands of gannets flying, diving, and shouting around me.”

Reblogged from National Geographic

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Silversides

Silversides swirl through mangroves like a river in the sea. The dense forest of roots offers welcome shelter for the finger-size fish, which form large schools to try to confuse predators. Mangroves enhance reefs by providing a nursery area for vulnerable creatures and by trapping sediment that can smother coral. They also store carbon that might otherwise contribute to global warming.
Reblogged from National Geographic

A whale of a time

A whale shark—the biggest fish in the sea—swims along, “extremely curious” about his observers. Your Shot photographer David Robinson, who researches whale shark ecology, captured this image in Qatar on a day with “great visibility” in an area with waters that are usually full of plankton.
Reblogged from National Geographic

River in the sea

Silversides swirl through mangroves like a river in the sea. The dense forest of roots offers welcome shelter for the finger-size fish, which form large schools to try to confuse predators. Mangroves enhance reefs by providing a nursery area for vulnerable creatures and by trapping sediment that can smother coral. They also store carbon that might otherwise contribute to global warming.
Reblogged from National Geographic