Barnacle feeding legs
Jun 02, 2015 • 6:41 PM UTC
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140x Magnification
Microorganisms
Tom Hata
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Harbors and rocky shorelines are often littered with barnacle tests (or shells), yet relatively few people have actually seen the animals that live inside of these dome-shaped homes. Here’s some high-speed footage that I took of a barnacle feeding in a wave.
Barnacles are crustaceans, so they are related to animals such as crabs and lobsters. They are in fact somewhat crab-like in appearance once you pull them out of their tests. Unlike crabs and lobsters, barnacles have adapted to a sessile life by hanging upside down inside of their tests and extending their feeding legs (cirr) into the water to capture food particles.
Barnacle Cthamalus fissus
Barnacle feeding legs, high magnification
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