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A harp seal in icy water
Overview

Seals, Sea Lions, and Walruses

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A submersible explores the deep reefs off of Curacao in the Caribbean.
Overview

DROP: The Deep Reef Observation Project

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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
Overview

Corals and Coral Reefs

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The siphonophores are an order of marine animals in the phylum Cnidaria (the same phylum containing jellyfish). 
Slideshow

Prints from Ernst Haeckel

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Japanese scientists videotaped this female giant squid, alive, at the water's surface
Overview

Giant Squid

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A photo of a squid using bioluminescence to hide in the deep sea.
Overview

Bioluminescence

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Chrysaora melanaster is a jellyfish found in the Arctic.
Overview

Jellyfish and Comb Jellies

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A sea turtle swimming
Overview

Sea Turtles

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The Peninsula Valdes in Argentina was inscribed on the World Heritage List in 1999. The site is home to important breeding populations of the endangered southern right whale (Eubalaena australis), southern elephant seal (Mirounga leonina), and southern sea
Slideshow

Marine World Heritage Photo Gallery

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a shark swims along a sandy seafloor
Article

An Angel’s Return: How eDNA Was Used to Rediscover the Angelshark

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An assortment of microbe illustrations seen by Leeuwenhoek under the microscope.
Timeline

Milestones In Marine Microbiology

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Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
Overview

Seagrass and Seagrass Beds

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