Echinus acutus

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Description: English: Echinus acutus test. Date: 31 August 2010. Source: Own work. Author: Halava. The photograph was taken in North Sea Aquarium (Ostend, Belgium) Licensing[edit] I, the copyright holder of this work, hereby publish it under the following licenses: : This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. :. https://creativecommons.org/licenses/by-sa/3.0 CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue. : Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue. You may select the license of your choice.