Ophiocomina nigra - Black brittle star - Zwarte slangster

 Ophiocomina nigra (Abildgaard in O.F. Müller, 1789)

Black brittle star - Zwarte slangster 

Loch Leven, Scotland, 7-7-2017.

Loch Leven, Scotland, 7-7-2017.

Loch Leven, Scotland, 7-7-2017.

Loch Leven, Scotland, 7-7-2017.

Loch Leven, Scotland, 7-7-2017.

Loch Leven, Scotland, 7-7-2017.

Loch Leven, Scotland, 7-7-2017.

Tamariu, Spain, 5-6-2015.

Tamariu, Spain, 5-6-2015.

Tamariu, Spain, 5-6-2015.

Tamariu, Spain, 5-6-2015.

Acrocnida brachiata - Sand burrowing brittle star - Ingegraven slangster

Acrocnida brachiata (Montagu, 1804) 

Sand burrowing brittle star - Ingegraven slangster 

Sound of Shuna, Scotland, 4-7-2017.

Sound of Shuna, Scotland, 4-7-2017.

Sound of Shuna, Scotland, 4-7-2017.

Halverwege, the Netherlands, 5-8-2014.

Halverwege, the Netherlands, 5-8-2014.

Sound of Shuna, Scotland, 2-7-2017.

Sound of Shuna, Scotland, 4-7-2017.

Sound of Shuna, Scotland, 4-7-2017.