This behavior was observed in a small area of l'Hermitage lagoon on a little population in November 2010....
Philippe Bourjon
Réunion, l'Hermitage lagoon, less 1 m, 7 November 2010.
A little population on a small area of L'Hermitage lagoon.
The egg ribbon going out from the genital aperture (a) located between the anterior part of the parapodia
The egg ribbon going out from the genital aperture located between the anterior part of the parapodia is really elastic (b) !!!!