This is a close shot of a worm colony, which normally consists of dozens of similar rigid tubes sheltering serpulid worms. The worms use their exposed tentacles to catch drifting bits of food. They are extremely sensitive to changes in light and will withdraw completely within a split second if disturbed. The tubes are small, with an inner diameter of a pencil lead, and are usually found in shaded areas underneath coral heads, out of direct sunlight.

About this image

Identification
Filogranella elatensis
Location

Luzon Island, Philippines

Contributors
Jeffrey N. Jeffords
photographer copyright holder identification
Subjects

Conditions of use

Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License .

To cite this page: Jeffords, J. 2004. "tubes.jpg" (On-line), Animal Diversity Web. Accessed {%B %d, %Y} at https://animaldiversity.org/collections/contributors/jeffrey_jeffords/misc.inverts/tubes/

Last updated: 2004-36-14 / Generated: 2025-09-15 02:01

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