Ostrea edulis - Edible oyster - Platte oester

Ostrea edulis  Linnaeus, 1758 

Edible oyster - Platte oester (Zeeuwse oester)

Slikken van Flakkee, the Netherlands, 1-8-2022.

't Koepeltje, the Netherlands, 21-9-2011.

Putti's Place, the Netherlands, 20-5-2023. In vitro photo of top and bottom, 24-5-2023.

Springersdiep, the Netherlands, 6-5-2025.

Dreischor - Kokrif, the Netherlands, 29-4-2020.

't Koepeltje, the Netherlands, 12-11-2014. Specimen A.

't Koepeltje, the Netherlands, 12-11-2014. Specimen A.

Dreischor - Kokrif, the Netherlands, 14-7-2014.

Wemeldinge - haven, the Netherlands, 17-8-2013.

Dreischor - Kokrif, the Netherlands, 3-5-2024.

Springersdiep, the Netherlands, 6-5-2025. Specimen B.

Springersdiep, the Netherlands, 6-5-2025. Specimen B.

Den Osse - Nieuwe Kerkweg, the Netherlands, 7-8-2018. With hiding Hemigrapsus takanoi (Brush-clawed shore crab - Penseelkrab).

Mycale micracanthoxea - Ruwe aderspons

Mycale (Carmia) micracanthoxea  Buizer & van Soest, 1977

Ruwe aderspons

Synonym: Gele aderspons, Grijze korstspons

Wemeldinge - haven, the Netherlands, 13-8-2022. On Mytilus edulis (Mussel - Mossel)*

Wemeldinge - haven, the Netherlands, 17-8-2019. Specimen A.**

Wemeldinge - haven, the Netherlands, 17-8-2019. Specimen A.**

Wemeldinge - haven, the Netherlands, 26-7-2022. On Ostrea edulis (Edible oyster - Platte oester).

* Identification by Mikkel Suijker.

** Identification by Mikkel Suijker after studying its spicules.

Hemigrapsus takanoi - Brush-clawed shore crab - Penseelkrab

Hemigrapsus takanoi  Asakura & Watanabe, 2005

Brush-clawed shore crab - Penseelkrab

Sint-Annaland, the Netherlands, 19-3-2019. Male.

Zoetersbout, the Netherlands, 23-4-2014. Male crab eating Cyanea lamarckii (Blue lion's mane - Blauwe haarkwal).

Den Osse - Nieuwe Kerkweg, the Netherlands, 15-11-2016. Male.

Anna Jacobapolder, the Netherlands, 18-8-2020. Male.

Den Osse-Nieuwe Kerkweg, the Netherlands, 29-1-2021. Male cleaning its claw.

Dreischor - Kokrif, the Netherlands. 21-2-2015. Male.

't Koepeltje, the Netherlands, 25-6-2019. With epitoke Nereis species.

Stavenisse - Oostnol-Keetenweg, the Netherlands, 4-2-2022. In vitro photo specimen A, female, carapace width 18 mm, 6-2-2022.

Stavenisse - Oostnol-Keetenweg, the Netherlands, 4-2-2022. In vitro photo specimen A, female, carapace width 18 mm, 6-2-2022.

Dreischor - Kokrif, the Netherlands, 6-2-2014. Three male specimens.

Scharendijke, the Netherlands, 15-12-2016.

Stavenisse - Veerweg, the Netherlands, 30-11-2011. 

Den Osse - Nieuwe Kerkweg, the Netherlands, 7-8-2018. Juvenile male in Codium fragile (Felt-alga - Viltwier). 

Den Osse - Nieuwe Kerkweg, the Netherlands, 7-8-2018. Juvenile female hiding in empty Ostrea edulis gigas (Edible oyster - Platte oester) lined with Botrylloides diegensis or violaceus (soort Slingerzakpijp).

Dreischor - Kokrif, the Netherlands, 18-1-2021. Juvenile.

Watervalletje, the Netherlands, 9-10-2017. Moulting female.

Den Osse - Nieuwe Kerkweg, the Netherlands, 9-6-2017. Two male crabs fighting.

Den Osse - Nieuwe Kerkweg, the Netherlands, 22-11-2016. Male crab fighting Carcinus maenas (Shore crab - Strandkrab).