Polybius dioscurus - Atlantic grey swimming crab - Atlantische grijze zwemkrab

Polybius dioscurus  García-Raso, d'Udekem d'Acoz, Moukrim, Schubart & Cuesta, 2024

Atlantic grey swimming crab - Atlantische grijze zwemkrab

Westhinder - Oosthinder bank, North Sea - Belgium*, 16-8-2023. In vitro photo specimen A, dead male crab (probably deceased by dredging), carapace width 34 mm, with Electra pilosa (Hairy sea-mat - Harig kantmosdiertje) and remnants of Ectopleura larynx (Flower head polyp - Gorgelpijppoliep), 23-8-2023.

Westhinder - Oosthinder bank, North Sea - Belgium*, 16-8-2023. In vitro photo specimen A, 23-8-2023.

Westhinder - Oosthinder bank, North Sea - Belgium*, 16-8-2023. In vitro photo specimen A, with Electra pilosa (Hairy sea-mat - Harig kantmosdiertje), 23-8-2023. Click here for detail Electra.

Den Osse - Nieuwe Kerkweg, the Netherlands, 13-6-2023. Specimen B.

Den Osse - Nieuwe Kerkweg, the Netherlands, 13-6-2023. Specimen B.

Den Osse - Nieuwe Kerkweg, the Netherlands, 13-6-2023. Specimen C.

Den Osse - Nieuwe Kerkweg, the Netherlands, 13-6-2023. Specimen C.

Den Osse - Nieuwe Kerkweg, the Netherlands, 13-6-2023. Specimen C.

Den Osse - Nieuwe Kerkweg, the Netherlands, 13-6-2023. Specimen C.

Brouwersdam - Noord, the Netherlands, 23-9-2023. In vitro photo, female specimen D (underneath male), 26-12-2023.

Brouwersdam - Noord, the Netherlands, 23-9-2023. In vitro photo female specimen D, 18-2-2024.

* Collected with the VLIZ research vessel RV Simon Stevin, beam trawl track 1, coordinates: start 51° 30.360’ N – 2° 39.047’ E - stop 51° 31.539’ N – 2° 39.384’ E

Rhabditophora species

Rhabditophora species 

Borssele - filterchannel power plant, the Netherlands, 30-8-2015. In vitro photo, 31-8-2015. Click here for 'host' Electra pilosa.

Electra pilosa - Hairy sea-mat - Harig kantmosdiertje

Electra pilosa  (Linnaeus, 1767)

Hairy sea-mat - Harig kantmosdiertje 

Anna Friso, the Netherlands, 4-1-2025. Specimen A on Chondrus crispus (Irish moss - Iers mos).

Anna Friso, the Netherlands, 4-1-2025. Specimen A on Chondrus crispus (Irish moss - Iers mos).

Anna Friso, the Netherlands, 4-1-2025. Specimen B on Agardhiella subulata (Stijf priemwier). 

Anna Friso, the Netherlands, 4-1-2025. Specimen B on Agardhiella subulata (Stijf priemwier). 

Westbout, the Netherlands, 3-3-2025. In vitro photo specimen C on Chondrus crispus (Irish moss - Iers mos), Chondrus 80 mm at its largest, 9-3-2025.

Westbout, the Netherlands, 3-3-2025. In vitro photo specimen C, 9-3-2025.

Westbout, the Netherlands, 3-3-2025. In vitro photo specimen C, 9-3-2025.

Westbout, the Netherlands, 3-3-2025. In vitro photo specimen C, 9-3-2025.

Westbout, the Netherlands, 3-3-2025. In vitro photo specimen C, 9-3-2025.

Westbout, the Netherlands, 3-3-2025. In vitro photo specimen C, 9-3-2025.

Westbout, the Netherlands, 3-3-2025. In vitro photo specimen C, 9-3-2025.

Borssele - filterchannel power plant, the Netherlands, 30-8-2015. In vitro photo, 31-8-2015. 

Westhinder - Oosthinder bank, North Sea - Belgium*, 16-8-2023. In vitro photo specimen D on Polybius dioscurus, 23-8-2023.

Westhinder - Oosthinder bank, North Sea - Belgium*, 16-8-2023. In vitro photo specimen D on Polybius dioscurus, 23-8-2023.

* Collected with the VLIZ research vessel RV Simon Stevin, beam trawl track 1, coordinates: start 51° 30.360’ N – 2° 39.047’ E - stop 51° 31.539’ N – 2° 39.384’ E