Invasive Crab Harvesting Has Expanded Across U.S.
Restaurants and fishermen are now turning invasive green crabs into a commercial product to help restore damaged ecosystems.
Updated on Sept. 30, 2026 in Organic Food
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Commercial efforts to harvest invasive European green crabs have surged as states look for ways to mitigate their destructive impact on the U.S. coastline. The number of restaurants offering these crabs has increased more than 10-fold since 2021 as part of broader ecological control measures.
Why it matters
Green crabs destroy vital eelgrass beds and compete with native species like juvenile lobsters and Atlantic rock crabs for resources. Their rapid spread has significantly harmed the shellfish industry, evidenced by Maine's soft-shell clam landings dropping from 3.6 million kilograms in 1978 to 572,644 kilograms in 2025.
Government-reported eradication data shows nearly two million green crabs were removed in Washington state during 2026. This intensive management effort comes alongside a reported 10-fold increase in restaurants serving the species since 2021, though the total ecological impact remains unknown.
The players
Washington Department of Fish and Wildlife
The state agency tasked with managing the US$38 million budget for the eradication and containment of invasive green crab populations through 2027.
The details
Fishermen capture invasive green crabs by identifying those nearing the end of a hard-shell phase and placing them into specialized tube networks within lobster crates. These crabs are then monitored until they moult into a soft-shell state, which commands a higher market price of approximately US$3 compared to US$0.08 for hard-shell versions. This harvesting process aims to reduce the population of a species capable of releasing up to 185,000 eggs annually.
Timeline
1978: Soft-shell clam landings in Maine reached their historical peak of 3.6 million kilograms.
2021: Culinary interest in green crab began to emerge, leading to a 10-fold increase in restaurant availability.
2022: Washington state officially declared an emergency regarding the green crab population.
2025: Maine soft-shell clam landings declined to 572,644 kilograms.
2026: Nearly two million green crabs were successfully caught in Washington state.
Health Landscape
The push to monetize green crabs follows the established framework of the Washington state green crab eradication initiative, which utilizes millions in funding to protect native shellfish beds. This development represents a pivot from purely defensive state management to an integrated model of commercial resource extraction.
Consumers interested in supporting sustainable, invasive-species-focused seafood should inquire about the origins of crab dishes at their local restaurants. Discussing the ecological impact of various seafood choices with your local fishmonger or chef can help inform your future consumption decisions.
The takeaway
Commercial harvesting of invasive green crabs provides a novel method to manage their population growth and protect local shellfish resources. Consumers can support these efforts by opting for invasive, wild-caught species when they appear on local menus, provided they source them from reputable providers.
What happens next
Washington state is committed to ongoing eradication and containment efforts backed by state and federal funding that will continue through fiscal year 2027.
Further reading
For more on the intersection of culinary trends and environmental health, visit the Organic Food section.
Source note: This article includes information reported by The Star.
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