This colorful nudibranch, commonly found in the Indo West-Pacific, is called Trinchesia sibogae. Like other nudibranchs, Trinchesia sibogae is hermaphroditic, meaning it has both male and female reproductive organs, but cannot fertilize itself. The sex organs of nudibranchs are on their right side, to mate they often do a little dance before standing side-by-side to inseminate each other. A nudibranch’s egg count can be as little as a single egg, or as many as 25 million. Toxins from sea sponges collected by a parent nudibranch can be found in its eggs, and are intended to deter predators. This Trinchesia sibogae was photographed during a dive in Ponta do Ouro, Mozambique. Read more in our post, Scuba Diving Ponta do Ouro, Mozambique.