(Åfjord - Trøndelag / 17 meters / 7.09.2005)

Phylum: Echinodermata

Class: Ophiuroidea

Order: Echinoida

Family: Echinidae

Scientific name: Psammechinus miliaris

 

Norwegian: tangsjøpiggsvin

Distribution: This sea urchin has been registered as far North as Nordland. It can be found on almost any substrate, but is most frequent on hard substrate on exposed locations.

Characteristics: This is a small sea urchin, rarely exceeding 5 cm in diameter. It has two sets of spines, a set of small, green, pink or pale purple spines and set of longer, robust, green spines - often with deep purple tips. The body is slightly flattened.

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