From the category archives:

Field Notes

Pressure Builds for Swift U.S. Action Against Spreading Salamander Threat

May 19, 2015

There are signs of hope for American salamanders in the face of a potential biological catastrophe — a fungus that could be carried here through the global trade in exotic pets. The tool for protecting native salamanders is the Lacey Act, which was recently used to limit trade in various constricting snakes and has been […]

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Invasive Species Poster

March 23, 2015

Free download here.

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National Invasive Species Awareness Week

February 9, 2015

February 22-28, 2015 Participate in events across the nation to raise awareness and identify solutions to invasive species issues at local, state, tribal, regional and national scales. Locate an invasive species event in your state or county. Read more about National Invasive Species Awareness Week here.

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Striking a Deal with the Weed from Hell

January 27, 2015

After eradicating the water hyacinth from Florida’s Crystal River, managers are slowly starting to bring the notorious aquatic weed back to the famed manatee winter ground. Read more in Conservation Magazine.

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The Boatman’s Flute

January 15, 2015

              Is that the silver carp, Hypophthalmichthys molitrix, in its native country described in the last two lines? The Boatman’s Flute Today there is no wind on the Yangtze; the water is calm and green with no waves or ripples. All around the boat light floats in the air […]

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11 Steps to Harvesting Invaders

December 15, 2014

A couple of months ago we wrote about a new paper in Management of Biological Invasions reiviewing harvest incentives for managing invasives. The folks over at invasivore.org did a bang-up job of parsing these out in 11 recommendations for effective harvest. Read them here.

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The 800 Pound Grouper in the Room

December 9, 2014

Aquarium fish, sold as juveniles in the pet trade but able to outgrow their tanks, are at a high risk of becoming invasive. See the new paper in Marine Policy.

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Green Crab Shell Secret Cracked

October 8, 2014

Researchers at the University of Prince Edward Island in Canada claim to have found a way to enhance molting in green crabs. If they can scale this up, and drum up interest by local chefs, they may just start a market for softshell invaders. Read more here.

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Harvest the Invaders: Incentives to Control Invasive Species

September 8, 2014

Biologists Susan Pasko and Jason Goldberg discuss harvesting invaders in a new paper in Management of Biological Invasions. Incentive programs, such as bounties and encouraging recreational harvests, appear to be appropriate for certain species and regions. Among the many benefits is the development of an outreach program. “By engaging the public and encouraging harvest,” the […]

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An App to Find Nemo

July 27, 2014

“Creating a consumer market for invasive species is one of the most successful ways of combatting them. Like cupcakes or artisanal pickles, it can take a lot of marketing and hype to create a demand that matches the supply. The Connecticut chef Bun Lai’s invasive-species menu, which Elizabeth Kolbert wrote about in 2012, includes lionfish […]

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Land

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Wild Pig

Did the domestic ancestors of today’s feral pigs streak off De Soto’s ship into the Florida scrub of their own accord in 1539? Or did they have to be urged to go find something to eat? All you need to…


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Garden Snail

Deliberately or accidentally, by the movement of plants and by hobbyists who collect snails, humans have spread the garden snail to temperate and subtropical zones around the world.


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Garlic Mustard

  Alliaria petiolata Native range: Europe, Asia, Northwest Africa Invasive range: Much of the Lower 48, Alaska, and Canada. (See map.) Habitat: Moist, shaded soil of floodplains, forests, roadsides, edges of woods, and forest openings. Often dominant in disturbed areas. Description: Biennial herb. First-year plant has a rosette of green leaves close to the ground. […]


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Prickly Pear

Fall is here, and the “cactus fig” is in season. Time to plate-up another widespread invader.


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Sow Thistle

It’s spring and time to weed. Sow thistle is a delicious invader found throughout the continent.


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Sea

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Asian Shore Crab

The first sighting of the Asian shore crab in the United States was at Townsend Inlet, Cape May County, New Jersey, in 1988. Though the source is unknown . . .


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Periwinkle

The common periwinkle, which first appeared in New England in the 1860s, is now found along the coast wherever there’s hard substrate–rocks, riprap, broken concrete, or docks–from Labrador to . . .


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Lionfish

Some say it started in 1992 in Miami when Hurricane Andrew smashed an aquarium tank. Don’t blame the weather, others say; in the mid-nineties, disappointed yet softhearted hobbyists…


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Wakame

  Undaria pinnatifida Native range: Japan Sea Invasive range: Southern California, San Francisco Bay, New Zealand, Australia, Europe, Argentina Habitat: Opportunistic seaweed, can be found on hard substrates including rocky reefs, pylons, buoys, boat hulls, and abalone and bivalve shells. Description: Golden brown seaweed, growing up to nine feet. Forms thick canopy. Reproductive sporophyll in […]


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Green Crab

Since the green crab was first recorded off southern Massachusetts in 1817, it has been hard to ignore. A few minutes of rock-flipping in Maine can turn up dozens of them, brandishing their claws as they retreat…


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Fresh

Armored Catfish Meatballs (1)

Armored Catfish

The armored catfish is abundant and destructive in Florida, Texas, and Mexico. Cast your nets for these flavorful natives of the Amazon. Scientific name: Two types have become established in North America: armadillo del rio, Hypostomus plecostomus, and sailfin catfishes in genus Pterygoplichthys Native range: Amazon River Basin Invasive range: Texas, Florida, and Hawaii; also […]


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Common Carp

For a bottom-feeder, what is the good life? The common carp isn’t very demanding: any body of water that’s sluggish and murky will do. If the water is clean, and you’ve got corn for bait, try one of these recipes.


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Watercress

  Nasturtium officianale Native Range: Northern Africa, Europe, temperate Asia, and India Invasive Range: In USA: all lower 48 states, except North Dakota. Found in Alaska, Puerto Rico, and the Virgin Islands. Also southern Canada, Sub-Saharan Africa, South America, Australasia, and parts of tropical Asia. Habitat: Common along stream margins, ditches, and other areas with […]


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Crayfish

  There are numerous invasive crayfish. We include details for the red swamp crayfish (Procambarus clarkii) and the rusty crayfish (Orenectes rusticus). The same recipes can be used for both species–and many other invasive crayfish. Red Swamp Crayfish Native range: Known as Louisiana crayfish, crawdad, and mudbug, Procambarus clarkii is native to the south central […]


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Nutria

Nutria, also known as coypu and river rat, is native to temperate and subtropical South America. It has been introduced to Europe, Asia, and Africa, mainly for fur farming. These voracious. . .


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Field Notes

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Invasive Crabs Have Taken Over New England. One Solution? Eat Them.

Read about it in The New York Times Magazine


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Snails with a Side of Knotweed, Anyone? Biologist Wants You to Eat Invasive Animals and Plants

Read about it in the Daily Mail.


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“If you can’t beat them, eat them.” Why foraging for invasive plants is good for you 

“We’re not trying to make it sustainable. The goal is eradication.” Read about eating invasives in the Boston Globe.


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Chef Serves Gourmet Meals with Unexpected Invasive Ingredients

“It suddenly occurred to me that we could flip the script and find a way to consume animals and plants where it is actually beneficial for the environment.” Read about it in The Cool Down


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Can We Eliminate Invasive Species by Eating Them?

On restaurant menus across New England, green crabs are showing up in everything from bouillabaisse and bisques to croquettes and crudo. Read about it in Salon.


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“Foraging is treasure hunting.”

René Redzepi, owner of Noma, twice named best restaurant in the world