Join the Maria Mitchell Association, Nantucket Land Council, and Sustainable Nantucket for a week of fun and informative programming about the invasive European green crabs! Events will include chances to hunt, capture, recycle, and even eat green crabs! The European green crab (Carcinus maenas) is an invasive species that threatens Nantucket’s native species and eelgrass habitats.

Monday August 5, 4PM

MMA Green Crab Identification Workshop and Derby Information Session 

Join Maria Mitchell Aquarium staff to learn how to identify the European green crab (Carcinus maenus), an invasive species that threatens Nantucket's native species and habitats! We will compare these species to local crab species and determine their biological sex. This is a great opportunity to learn about our annual Nantucket Green Crab Derby and all of its events!

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Tuesday August 6, 4PM

MMA Nantucket Green Crab Survey: Bait & Line 

Join Maria Mitchell Aquarium staff on a survey for invasive European green crabs! This survey will be a part of the MMA Nantucket Green Crab Community Science Survey that you can do yourself at any time. In this session, we will be using the bait & line method.

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Wednesday August 7, TBD

Green Crab Fertilizer Workshop with the Nantucket Land Council

In collaboration with the Nantucket Land Council, please join us for this free workshop on how to help control the population of the invasive green crab. Green grabs can be turned into an environmentally friendly fertilizer for your garden. Participants should bring completely waterproof boots they're comfortable crushing dead crabs with, as well as a sealable bottle or jar to take home their fertilizer. We will provide crabs, coolers, vinegar and take-home fertilizer instructions.

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Friday August 9, 4PM

MMA Nantucket Green Crab Survey: Wading & Hand Net 

Join Maria Mitchell Aquarium staff on a survey for invasive European green crabs! This survey will be a part of the MMA Nantucket Green Crab Citizen Science Survey that you can do yourself at any time! In this session, we will be using the wading with hand net method.

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Saturday August 10, 4PM

2024 Nantucket Green Crab Derby

Help the Maria Mitchell Association and the Nantucket Land Council fight the green crab invasion by participating in the 5th annual Nantucket Green Crab Derby! Participate in a team of up to 4 to help us maintain healthy marine habitats and for a chance to win prizes.

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