Guardian Nature School Team Contact Blog Project Noah Facebook Project Noah Twitter

A global community of nature enthusiasts
photographing and learning about wildlife

Join Project Noah!
nature school apple icon

Project Noah Nature School visit nature school

Spanish Dancer egg ribbon

Hexabranchus sanguineus


Nudibranchs reproduce sexually. They line up side by side to mate, and then lay eggs in a ribbon-like mass. Some nudibranch species lay eggs as a flat ribbon. Others, the Spanish Dancer included, attach the edge their egg mass ribbons to solid surfaces in a spiral pattern. The Spanish Dancer's egg mass is easy to recognize. It is distinctive in that the ribbons are comparatively wide, and once set down in a spiral, they look like a reddish ruffled rosette. My dive buddy thought it was some tangled piece of clothing!

Species ID Suggestions

Sign in to suggest organism ID


Blogie 9 years ago

Even its egg spiral looks flamboyant! :D

Seema 9 years ago


Ava T-B
Ava T-B 9 years ago

Thanks for this lovely spotting and information. You could add this to the missions The Color Red, or El Color Rojo, and Eggs of the World.

Wild Things
Wild Things 9 years ago

Fantastic spotting and nice details.

Spotted by

Oriental Mindoro, Philippines

Spotted on Mar 29, 2012
Submitted on Mar 29, 2012

Noah Guardians
Noah Sponsors

Join the Project Noah Team Join Project Noah Team