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First detection of highly invasive European green crab in Skagit Bay

First detection of highly invasive European green crab in Skagit Bay

by Emily Grason | Nov 25, 2025 | Detections

One of the European green crabs captured in Skagit Bay. Photo courtesy of the Swinomish Indian Tribal Community. La Conner, Wash. — In late September, the molt from a European green crab was found at Similk Beach, on the northern end of the Swinomish Tribal...
Student makes first detection of Green Crab in False Bay, San Juan Island

Student makes first detection of Green Crab in False Bay, San Juan Island

by Emily Grason | Jun 9, 2025 | Detections

Students at the University of Washington Friday Harbor Labs (FHL) found a green crab molt in False Bay on San Juan Island last weekend. This molt is the first evidence of green crabs found in False Bay and the first evidence since 2019 of green crabs in the San Juan...
Shore Crab Claw Tufts

Shore Crab Claw Tufts

by Emily Grason | Jun 6, 2025 | Crab Team Newsletter Archive

Natural History Notes: HEOR Tufts What are those blobby things on shore crab claws? You may have occasionally noticed fleshy blobs on the inside of shore crab claws. They are most evident on males, which have larger claws than females. In fact these are tufts...
Washington Harbor

Washington Harbor

by Emily Grason | Jun 5, 2025 | Crab Team Newsletter Archive

2025 Volume 1 Greetings From… Washington Harbor Number: 207 Region: Strait of Juan de Fuca Launched: 2017 Team Captain: Sue Bonomo  The dedicated team of monitors at Washington Harbor isn’t afraid to get their hands– and paws– muddy looking for European green crab....
Second annual Salish Sea-wide Molt Blitz coming June 20

Second annual Salish Sea-wide Molt Blitz coming June 20

by Emily Grason | Jun 2, 2025 | Team News

Are you one of the millions of Washington residents living on or near the Salish Sea? Join the Salish Sea-wide Molt Blitz on June 20 to contribute to the largest single-day dataset of crab molts collected in our state. Molts are the old shells that crabs shed when...
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