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Melon sea urchin – Riccio Melone – Echinus melo – www.intotheblue.it-2024-05-21-11h50m55s944
16
02:38

Melon sea Urchin

Melon sea Urchin, Echinus melo, is a species of sea urchin in the family Echinidae. This species grows up to 17 cm in diameter. It is spherical or slightly cone-shaped, and the colour of the test is mainly pinkish, yellowish, or greenish-yellow, and banded with white and pale brown, giving it a segmented appearance. The long primary spines are few in number and olive green with pale tips.
Fanino Cirivasi
75
0
Pencil urchin Stylocidaris affinis Riccio matita-2022-09-25-14h14m38s244
14
05:10

Pencil urchin - Stylocidaris affinis

Pencil urchin is certainly one of the most curious and most characteristic species of Mediterranean urchins. Its common name derives from the shape of its thorns which resemble a classic pencil or "Lapis" as we say in Tuscany. However, these thorns are quite fragile as they are funny ...
netartstudio
109
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vlcsnap-2021-11-05-20h51m36s915_T
10
11:11

Sea urchin reproduction

Also this summer we met some sea urchins all piled in one place. We therefore think we have filmed again the reproduction of  Sphaerechinus granularis. Like other echinoderms, sea urchins reproduce in the summer ...
Andrea Cirivasi
302
0
vlcsnap-2019-11-08-11h17m21s225
12
01:19

Purple sea Urchin

Sphaerechinus granularis is a species of sea urchin in the family Toxopneustidae, commonly known as the purple sea urchin. Its range includes the Mediterranea Sea and eastern Atlantic Ocean. ...
Fanino Cirivasi
159
0
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