Hymeniacidon perlevis (Montagu, 1814)
Piekjesspons
Synonym: Bleke piekjesspons
There are three varieties (with some intermediate shapes) of Hymeniacidon perlevis in the Netherlands:
- with pointed protrusions (from which the species takes its Dutch name)
- branched- or hand-shaped
- crust-forming (one which was often confused with Mycale (Carmia) micracanthoxea)
Variety with pointed protrusions
Bergse Diepsluis, the Netherlands, 27-4-2024. Specimen A, sampled and spicula-checked.
Bergse Diepsluis, the Netherlands, 27-4-2024. Specimen A, sampled and spicula-checked.
Zeelandbrug, the Netherlands, 25-3-2025.
Zeelandbrug, the Netherlands, 27-10-2018.
Zeelandbrug, the Netherlands, 2-1-2017. Specimen B.
Zeelandbrug, the Netherlands, 2-1-2017. Specimen B.
Zeelandbrug, the Netherlands, 2-1-2017. Specimen B.
Blokkendam, the Netherlands, 27-9-2017.
Blokkendam, the Netherlands, 22-9-2020.
Blokkendam, the Netherlands, 27-9-2017.
Blokkendam, the Netherlands, 27-9-2017.
Blokkendam, the Netherlands, 27-9-2017.
Branched- or hand-shaped variety
Wolphaartsdijk - Zuidvlietpolderweg, Veerse Meer, the Netherlands, 15-10-2019.
Wemeldinge - haven, the Netherlands, 18-8-2018.
Zeelandbrug, the Netherlands, 18-7-2024.
Den Osse - Nieuwe Kerkweg, the Netherlands, 19-10-2021.
Slikken van Flakkee, the Netherlands, 20-8-2021.
Den Osse - Nieuwe Kerkweg, the Netherlands, 9-10-2019. Specimen C.
Den Osse - Nieuwe Kerkweg, the Netherlands, 9-10-2019. Specimen C.
Zeelandbrug, the Netherlands, 18-11-2019.
Crust forming variety
