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When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in West Maui, I keep an eye out for certain kinds of fish. Not the brightest or the biggest, but those herbivores such as...
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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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The pre-industrial American landscape was once rightly described as a place...

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The long barbel on the chin of this dragonfish ( Stomias boa ) has a glowing tip that may attract prey. With its large mouth and sharp, curved teeth, the fish makes quick work of any prey that venture too close. Scaly dragonfish...
This deep sea creature, the whalefish ( Cetomimidae ), has a whale-like body...
A yellow moray eel, Gymnothorax prasinus , inside of a sea sponge in the...

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By Lindsay Aylesworth, Project Seahorse The day I stepped into my wetsuit, donned my mask, and embarked on my first scuba...
Portrait of a yellow-green blennie ( family Clinidae ) hiding in the groove of a green brain coral.
Scientists describe the amazing bioluminescent creatures they encounter as they descend into the deep--siphonophores, ctenophores, and viperfish--in this Smithsonian/History Channel "Deep Ocean...
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...
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...
A beautiful cut of Atlantic salmon ( Salmo salar ), a popular species among seafood lovers that is in severe decline. Check out our guest blog pos t by Oceana's Emily Fisher on the explosion of...
Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the complex bone structure and diversity of fish. This image gallery showcases...
This rarely-seen smalleyed rabbitfish ( Hydrolagus affinis ), belonging to the order of Chimaera, was caught during a research trip to the Mid-Atlantic Ridge in 2004 sponsored by the Census of Marine...
When we think "Africa," we think of the "Big Five"—lions, elephants, leopards, buffalo and rhinos—that crisscross the African Savannah. Few would imagine that there could be more natural beauty on...
The pinecone fish ( Monocentris japonicus ) looks like the real thing on land—covered in large scales with a dark trim. They are found lurking in caves and under ledges in the Indian and Western...
The ghoulish “blob sculpin” ( Psychrolutes phrictus ) , a deepwater fish found off the Pacific coast of the U.S. from the Bering Sea to Southern California, can grow to about 70 cm (more than two...
Since the dawn of seafaring, humankind has had to deal with the pesky creatures that settle on ships—seaweeds, barnacles, and others that take advantage of the empty real estate provided by a clean...
Starksia blennies, small fish with elongated bodies, generally native to shallow to moderately deep rock and coral reefs in the western Atlantic and eastern Pacific oceans, have been well-studied for...
Healthy coral reefs support a mindboggling array of life. Here, at Rapture Reef in the Northwestern Hawaiian Islands, colorful fishes throng the waters for as far as the eye can see.
Whalefish mystery solved! The tapetail is the larva of the family. It transforms into either a male (bignose) or female whalefish. The family name is Cetomimidae .
A video of the Palauan primitive cave eel ( Protanguilla palau ) swimming in the Pacific off the Republic of Palau . Jiro Sakaue, a Japanese research diver, first discovered the new genus and species...
Beneath the sun shining through the Red Sea onto a hill of coral, butterfly fish ( Chaetodon lunula ), and angelfish swim together. The two fish can be confused for each other, but are distinguished...
The Sargassum frogfish Histrio histrio (Antennariidae) is a small but voracious predator - it can ingest animals up to it’s own size! The fins of the frogfish are perfect for creeping around in the...
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...
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