Gracilechinus acutus - Long spined sea urchin - Langstekelige zee-egel

Gracilechinus acutus  Lamarck, 1816

Long spined sea urchin - Langstekelige zee-egel

Torevika, Norway, 4-7-2023.

Torevika, Norway, 3-7-2023.

Torevika, Norway, 3-7-2023. Specimen A.

Torevika, Norway, 3-7-2023. Specimen A.

Torevika, Norway, 4-7-2023.

Torevika, Norway, 4-7-2023. Specimen B.

Torevika, Norway, 4-7-2023. Specimen B.

Torevika, Norway, 4-7-2023.

Torevika, Norway, 5-7-2023.

Torevika, Norway, 4-7-2023.

Torevika, Norway, 4-7-2023. With Ciona intestinalis  (Yellow ringed sea squirt - Doorschijnende zakpijp).

Leversundet bridge, Norway, 7-7-2023.

Musculus subpictus - Marbled crenella - Gemarmerde streepschelp

Musculus subpictus  (Cantraine, 1835)

Marbled crenella - Gemarmerde streepschelp

Kats, the Netherlands, 28-12-2019. In vitro photo specimen A, L: 5.6 mm, 30-12-2019.

Kats, the Netherlands, 28-12-2019. In vitro photo specimen A, 30-12-2019.

Kats, the Netherlands, 28-12-2019. In vitro photo specimen A, 30-12-2019.

Dreischor - Kokrif, the Netherlands, 21-3-2023. Nine specimens on and in Ciona intestinalis (Yellow ringed sea squirt - Doorschijnende zakpijp).

Dreischor - Kokrif, the Netherlands, 1-11-2022. With Caprella mutica (Japanese skeleton shrimp - Harige spookkreeft). 

Dreischor - Gemaal, the Netherlands, 2-2-2023. On Dasya sessilis (Gedrongen zeehoornblad).

Zeelandbrug, the Netherlands, 9-3-2023. On Ophiothrix fragilis (Common brittle star - Brokkelster).