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A few years ago, I was in New Zealand photographing a story about the value of marine reserves (a type of marine protected area ). My last location was a place called the Poor...
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When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in...
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When we think "Africa," we think of the "Big Five"—lions, elephants, leopards,...
In the dark, cold waters 600 meters (nearly 2000 feet) below the ocean's...

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This bait ball shows how small fish can react when larger predators are near by gathering tightly together in a ball-like formation that exposes the least number of fish. Fish species found in the open ocean are especially in...
The deep-sea dragonfish ( Stomiidae ), also called the barbeled dragonfish,...
The Palauan primitive cave eel ( Protanguilla palau ) has an evolutionary...

DIVE DEEPER

By Lindsay Aylesworth, Project Seahorse The day I stepped into my wetsuit, donned my mask, and embarked on my first scuba...
Red Pigfish ( Bodianus unimaculatus ) and Blue Mao-Mao ( Scorpis violacea ) school at the edge of a cavern in New Zealand's Poor Knights Islands. Read photographer Brian Skerry's story behind this...
The corkwing wrasse, or gilt-head, changes color depending on its age, sex, and breeding season. For instance, during the breeding season, males have blue spotted fins and the middle of their scales...
Ichthyologist John R. Paxton of the Australian Museum studies freshly caught lanternfishes. Paxton was on the team that solved the whalefish mystery .
These statistics come from a United Nations Food & Agriculture Organization 2007 review of the status of global fish stocks. Learn more in our Sustainable Seafood section .
Is that fruit swimming in the ocean? Well it may look like fruit, but it's actually a pineapplefish ( Cleidopus gloriamaris ). Like the hard outer part of a pineapple, this fish also has an outer...
This aptly named fish ( Anoplogaster cornuta ) has long, menacing fangs, but the adult fish is small, reaching only about 6 inches (17 cm) in length. It's teeth are the largest in the ocean in...
The whitish spots on this fish are individual parasitic trematode worms. Trematodes have complicated life cycles that usually involve multiple hosts -- often starting in a snail and then moving on to...
Frogfish are skilled hunters and some species are capable of blending into local environments such as coral reefs . A frogfish can camouflage itself so well that prey fish will swim close by without...
There are about 4 million specimens in the fish collection housed at the National Museum of Natural History . It is the largest of its kind in the world. Learn how these collections helped to solve...
This bait ball shows how small fish can react when larger predators are near by gathering tightly together in a ball-like formation that exposes the least number of fish. Fish species found in the...
In 2003, a team of Japanese scientists analyzed the DNA of tapetails and whalefish. The results suggested that these two very different looking fishes were almost identical in one specific gene. But...
This mysterious deep sea creature , which has an unusual bulge on its snout, grows to only about 68 mm (2.7 in) long. It lives deep in the ocean, like the whalefish . Find out how this fish was part...
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...
Lionfish, or Pterois , are a deadly type of fish that live around reefs, although they are native to the Indo-Pacific region. These fish have been known to be invasive, and with no natural predators...
A tiny yellow goby, Lubricogobius exiguus , living inside an abandoned can on the seafloor; Suruga Bay, Japan
This deep sea creature, the whalefish ( Cetomimidae ), has a whale-like body, a gaping mouth, no fins or scales and a deep lateral line, which detects vibrations in the water. The first specimens...
The long silver tool shown here is a piece of traditional Australian fishing gear called a “yabbie pump.” Researchers use the device to collect burrowing shrimp and other fast-moving animals from the...
Can painted wooden fish on a schoolyard fence change human behavior and help clean up the ocean for the real salmon? Stream of Dreams in British Columbia thinks so, and a lot of wooden fish and some...
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