Riccio di Mare Archivi - Intotheblue.link

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

September 25, 2022

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

November 6, 2021

261

05:16

Invasion of Stylocidaris affinis

I did the underwater video in a stretch of sea between Livorno and the island of Gorgona at a depth of over 50 meters. I was surprised to meet so many sea urchins, known as Stylocidaris affinis, ...

Fanino Cirivasi

April 7, 2021

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

March 7, 2021

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