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01-06-2026, 12:01 PM
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The Sea Bunny
Jorunna parva, commonly known as the sea bunny, is a species of dorid nudibranch, a shell-less marine gastropod mollusc in the family Discodorididae. The species was first described by Kikutaro Baba. The species is about 2.53 cm long on average. Its black-and-white rhinophores somewhat resemble a rabbit's ears. Its external gills are located near its rear. Its body is covered in papillae, fleshy protuberances used for sensory functions, giving it the appearance of a furry animal. There are multiple colorations of Jorunna parva, including yellow, white, and green, though the latter is rarely photographed. All of these variants have black papillae interspersed among papillae of their main color. Like most other members of its genus, Jorunna parva's diet consists of toxic sponges in the family Chalinidae. However, they are also known to eat algae, seagrass, and other small creatures, such as sea slugs or sea snails. As the sea bunny feeds on sea sponges, they process the toxins and store them as a defense mechanism. Jorunna parva are hermaphrodites, meaning they produce both sperm and egg cells. They cannot fertilize the eggs themselves. Jorunna parva has subsequently been reported from the Philippines, Tanzania, Papua New Guinea, Seychelles and Réunion. |