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Acorn barnacle

Balanus glandula

Description:

I found this group of barnacles attached to the wall of a sea cave. The barnacles were interspersed with their predators, snails (photo 3), in a somewhat linear fashion (photo 2), giving the group of organisms a sort of mosaic appearance.

Habitat:

Observed at Tongue Point Marine Life Sanctuary in the intertidal zone.

Notes:

In image 3, you can see the snails in the shallows trying to break into the barnacles' sealed shells. Several other organisms are pictured as well, including limpets (on the left).

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mauna Kunzah
Spotted by
mauna Kunzah

Port Angeles, Washington, United States

Spotted on Jun 16, 2019
Submitted on Oct 17, 2020

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