Rostanga pulchra MacFarland 1905

red sponge nudibranch

This individual is crawling across red algae in a tidepool. Photo by Dave Cowles, July 2005

This 1/2 cm specimen was photographed by Dave Cowles at San Simeon, CA May 2001

This species lays red coils of eggs on the red sponge on which it feeds. Photo by Dave Cowles in a tidepool, July 2012

This pair of nudibranchs on a sponge near the one shown above with eggs are probably preparing to mate and lay eggs as well.

Rostanga pulchra, approximately 1 cm long, on a sponge at Swirl Rocks (Photo by: Dave Cowles July 2005)

Rostanga pulchra MacFarland. Lateral view.