18

33:28

Dusky grouper

Dusky grouper or Mediterranean Grouper is one of the most wanted fish by underwater photographers for the colors of its livery and because as an adult it can reach considerable dimensions, on average over 60 kg in weight, for a length of 1.5 m. Epinephelus marginatus Cernia mediterranea Dusky Grouper ...

Andrea Cirivasi

September 20, 2024

53

0

10

10:35

Paramuricea clavata - Red gorgonian - Reproduction

In this dive of August 15, 2023 we filmed an event that has not yet been documented much in our Mediterranean Sea. This is the reproduction of the red Gorgonian (Paramuricea clavata). Like every year in summer, this beautiful coral reproduces with the synchronized emission of male and female gametes released by the polyps which open by extruding thin semi-transparent filaments exceptionally long up to 5 cm. ...

Admin

August 20, 2023

334

0

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

November 6, 2021

302

0

12

01:31

Murex Hexaplex trunculus reproduction

In this short movie we can see the reproduction of the Murex, Murex trunculus or Hexaplex trunculus. ...

Andrea Cirivasi

January 10, 2020

1.21K

14

02:11

Reproduction of Sea Cucumber

The video shows us how Sea Cucumbers reproduce. It is a fairly common phenomenon but difficult to document ...

Andrea Cirivasi

November 27, 2019

700

77

02:52

Sea Urchins in reproduction

In this film, realized in the first days of June, we were able to document the moment of reproduction of the Sphaerechinus Granularis urchin ...

Fanino Cirivasi

June 6, 2018

2.58K

0

43

05:38

Basket Star - Astrospartus

The Basket Star (Astrospartus mediterraneus Risso, 1826) is an echinoderm of the gorgonocephalidae family.  ...

Fanino Cirivasi

September 16, 2016

630

3