Red Papillae Dorid

Diaphorodoris papillata

Diaphorodoris papillata is a small sea slug that can reach a maximum body length of 10 mm. This dorid nudibranch is characterized by its distinctive appearance, which features red papillae that can help divers identify it among similar species. It is typically found in the Mediterranean Sea, having been recorded from locations such as Naples, Villefranche-sur-Mer, and Banyuls-sur-Mer, as well as extending its range to the Strait of Gibraltar and Israel. In 2016, it was also reported in the Canary Islands, indicating a broader distribution within subtropical waters. This species is demersal, meaning it resides on or near the seabed, often in environments such as rocky reefs and other coastal habitats. While specific dietary habits are not detailed in the sources, nudibranchs generally feed on small invertebrates, sponges, or algae. Diaphorodoris papillata, like other nudibranchs, is a simultaneous hermaphrodite, allowing individuals to mate with one another. They lay eggs on a substratum, which hatch into a planktonic larval stage before developing into adults. Encounters with this species during dives can be intriguing, as divers may spot them clinging to rocks or other surfaces. Observing their behavior and interactions can provide insights into their life cycle and ecology. The conservation status of Diaphorodoris papillata has not been evaluated, and it is reported from various dive sites, suggesting it may be relatively common in its preferred habitats.