Life on a rockSourced
This barnacle feeds
when the current is strong.
The rose barnacle catches plankton with feathery limbs. It extends them to feed only when the current is strong, so calm water is a poor home for it.
Moving water is
its dinner signal.
Summary / translation: Unbubly · CC BY-SA 4.0
Source and reuse details
Tesseropora rosea · Wikimedia contributors
Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.
Reviewed: 2026-10-01