25 September 2026

Sycon ciliatum - Ciliated sponge - Gewone zakspons

Sycon ciliatum  (Fabricius, 1780)

Ciliated sponge - Gewone zakspons

Synonym: Scypha ciliata

Wemeldinge - haven, the Netherlands, 19-8-2023. 

Neeltje Jans - Vluchthaven, the Netherlands, 19-5-2010.
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Sint-Annaland, the Netherlands, 1-3-2017.

Springersdiep, the Netherlands, 6-5-2025.

Neeltje Jans - Getijdenpoel, the Netherlands, 6-5-2011.

Neeltje Jans - Vluchthaven, the Netherlands, 15-7-2017.

Anna Jacobapolder, the Netherlands, 18-5-2015.

Wemeldinge - haven, the Netherlands, 3-7-2010.

Wemeldinge - haven, the Netherlands, 18-7-2015.

Sint-Annaland, the Netherlands, 8-12-2015.

Kattendijke, the Netherlands, 23-5-2009. Detail of next photo.

Kattendijke, the Netherlands, 23-5-2009. 

Wemeldinge - haven, the Netherlands, 9-10-2021. In vitro photo specimen, L: 20 mm, 17-10-2021.