Mating behavior and spawn event : Jorunna rubescens


All the photos whose present in this page are taken in a small area of "La Saline lagoon", on a large population in November 2008


Eva Fontaine

"La saline" lagoon, less 1m, 8 November 2008, size : 80 to 120 mm

 


Eva Fontaine

"La saline" lagoon, less 1m, 8 November 2008, size : 60 to 120 mm

A important size difference between these two copulating specimens....

We make several observations of this "Protandry" behavior...


Eva Fontaine

Etang salé lagoon, less 1 m, 9 November 2008.

A large population with mating behavior was observed during this period...

The copulatory stylet on one of these seaslugs is visible on this photo


Philibert Bidgrain

"La saline" lagoon, less 1m, 8 November 2008, size : 80 to 120 mm

The egg mass is a pink convoluted ribbon.


All the photos whose present here are taken in different place of Réunion Island


Philibert Bidgrain

Etang salé on the rocky coast, less 1m, 2 December 2009, size : 100mm

Five specimens and three spawns was observed on this day, on a permanent pool...


See more about : A sponge predator, Jorunna rubescens

See more about : Excretion, Jorunna rubescens