Segments in this Video

Lionfish (01:50)


Humans introduce species to new places; some are beneficial while others are harmful. The lionfish invasion spans continents. Danni Washington investigates why they are a threat and what we can do to address the situation.

Destin, Florida (04:50)

Washington searches for lionfish at "The Big Dawg." Artificial reefs support biodiversity and human diets. Washington locates dozens of lionfish. In some reefs, the predator kills up to 80% of young native fish.

Lionfish Expansion (05:24)

Lionfish appear throughout the Indo-Pacific, Mediterranean, and Atlantic. Experts believe aquarium owners released lionfish off the coast of Florida in the 1980s. Experts discuss the lionfish’s ability to proliferate.

Custer, Washington (04:34)

Ted McFall recalls finding all of his bees beheaded. The first Asian giant hornet nest appears in British Columbia; Washington State now has four. The hornets are dangerous to humans but decimate North American honeybees; honeybees are the most productive pollinator in the U.S.

Giant Hornet Eradication (04:40)

Experts at the Washington State Department of Agriculture study the Asian giant hornet nests. They work with citizen scientists to eradicate the species; early detection and rapid response produces better results. Honeybees are a naturalized species.

Invasive Species Management (04:08)

Many scientists believe lionfish are responsible for the population plummet of some fish species; they could be detrimental to coral reefs. Spear fishing helps control the lionfish population; the fish have 18 venomous spines.

Jan Thiel, Curaçao (09:21)

Scientists discover new species while exploring deep reef areas; they see lionfish devouring species that do not yet have a name. Experts work to understand extinction risks and capture as many lionfish as possible from a submersible.

Marathon, Florida (04:01)

Washington joins experts as they test a new lionfish trap; they attach a sound recorder. The average deployment depth is 200-300 feet. The team has caught as many as 20 lionfish at a time.

Seattle, Washington (03:23)

Scientists use DNA analysis to investigate the stomach contents of deep-water Curaco lionfish. Luke Tornabene cross-references the consumed fish species to their habitat, identifying the lionfish's feeding locations.

Willemstad, Curaçao (05:15)

Lionfish could potentially impact hundreds of thousands of people who rely on fisheries. Local free divers hunt lionfish for extra income. Business owners use the lionfish in cuisine, jewelry making, and more.

Biodiversity (02:51)

Lionfish disrupt the balance along the Atlantic coast. Experts reflect on the importance of biodiversity and parallels. Humans have moved many species around the world; invasions are part of the global ecosystem.

Credits: Ocean Invaders (01:12)

Credits: Ocean Invaders

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Ocean Invaders

3-Year Streaming Price: $169.95



Lionfish, long prized in home aquariums, have invaded the Atlantic, and are now one of the ocean’s most successful invasive species, wreaking havoc in waters across the globe. Join ocean explorer Danni Washington on a journey to find out how they took over, why they’re doing so much damage, and what can be done about it. And look into the impacts of invasive species in a globalized world.

Length: 54 minutes

Item#: BVL283769

Copyright date: ©2022

Closed Captioned

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