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If you want to study invasive species in the ocean, the Panama Canal offers a lot to explore. The ships passing through can inadvertently transport plants, animals, and even parasites from the Atlantic into...
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This week at the Smithsonian Ocean Portal we embark on an experiment we're...
“Sea grapes” may sound like something Poseidon would snack on, and not a killer...
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Hopefully you've never bitten into a delicious hunk of snow crab meat and...

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The spotfin lionfish ( Pterois antennata ), with venomous spines extended, is native to Indo-Pacific reefs. Certain lionfish species have invaded reefs in Florida, the Caribbean and are moving up the Atlantic coast. The native...
A strain of this green seaweed, native to the Indian and Pacific Oceans,...
The majestic and highly predatory red lionfish ( Pterois volitans ) , native...

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Regardless of what continent you live on, the waters that surround it are home to marine invaders. The ocean is teeming with...
A strain of this green seaweed, native to the Indian and Pacific Oceans, escaped public and private aquariums in California, Japan, Australia, and Monaco. It has spread widely in the Mediterranean,...
Invasive species can have a range of environmental and economic impacts. In this photo sea squirts foul an oyster cage. Scientists at the Smithsonian Environmental Research Center's Marine Invasions...
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...
If you want to study invasive species in the ocean, the Panama Canal offers a lot to explore. The ships passing through can inadvertently transport plants, animals, and even parasites from the...
This photograph, much like Van Gogh’s Starry Night is awhirl with the colors and swishes of hundreds of fish. The focal point, however, is the lionfish. Lionfish ( Pterois antennata ) have been known...
Pick up any news article about invasive species and you may confuse it with a police blotter. Generally, invasive species are "almost bulletproof" "marauders," "terrorizing" ecosystems and wildlife...
Large organisms, like these tunicates, live inside the recesses of a ship's hull while microscopic organisms form a film across all the painted surfaces on the boat.
The majestic and highly predatory red lionfish ( Pterois volitans ) , native to the Indo-Pacific, is invading Atlantic waters. The lionfish is a popular home aquarium species, and some were most...
Alaska’s pristine coastline is ripe for an influx of invasive marine species such as the European green crab and the rough periwinkle (an Atlantic sea snail), warns a new study by a team of...
This bivalve mollusk is native to the Caspian Sea, lagoons of the Black Sea, and their inflowing rivers. It lives in fresh and brackish water and cannot tolerate full seawater. In the 18th and 19th...
During the summer of 1998, scientists at the Virginia Institute of Marine Science made a series of disturbing discoveries in the Chesapeake Bay. In June, they collected an unusual specimen: a single...
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