Nudibranch Behaviors in the Lembeh Strait
Hypselodoris bullockii laying eggs Nudibranch laying egg mass I have seen nudibranchs in cold California kelp forest, on deep wall dives, in tide pools, and on rubble bottom tropical muck dives. Their vivid colors make them fit right into their surroundings in Indonesia, especially with all of the vibrantly colored soft corals, sponges, and hydroids covering the shallows. But in all of these different habitats certain behaviors remain the same. Egg cases will be attached to sturdy rocks or coral, mating will also be right side to right side, and nudibranchs will find poisonous stationary creatures like hydroids to feast upon and in turn use those toxins as part of their own defense. Nudibranch searching for food Nembrotha rutilans feeding Risbecia tryoni nudibranchs mating We found so many nudibranchs during our week diving the Lembeh Strait that we were lucky enough to see and photograph most of the different behaviors these creatures display. The...