Chain Tunicate Exposed at Low Tide, Edmonds, Washington

A chain tunicate (Botrylloides violaceus) is visible on rocks exposed by an exceptionally low tide in Edmonds, Washington. The chain tunicate is a type of sea squirt that's native to the northwest Pacific, including the coasts of Siberia, Japan and China, though it is becoming more common on the western coast of North America, likely spread by shipping industries. It is also known as the lined colonial tunicate, orange sheath tunicate, and orange tunicate. Its color ranges from bright orange to purple.

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Image Size: 8192x5464 / 37.7MB; Botrylloides violaceus chain tunicate tunicate lined colonial tunicate orange sheath tunicate orange tunicate Brackett's Landing Shoreline Sanctuary Conservation Area Brackett's Landing Brackett's low tide tide marine wildlife orange pattern patterns
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A chain tunicate (Botrylloides violaceus) is visible on rocks exposed by an exceptionally low tide in Edmonds, Washington. The chain tunicate is a type of sea squirt that's native to the northwest Pacific, including the coasts of Siberia, Japan and China, though it is becoming more common on the western coast of North America, likely spread by shipping industries. It is also known as the lined colonial tunicate, orange sheath tunicate, and orange tunicate. Its color ranges from bright orange to purple.