Costasiella nonatoi

Costasiella nonatoiThis mostly black slug is dotted with bright white or yellow marks. It feeds and reproduces on Avrainvillea algae, crawling among their filaments.What does it look like?Its grooved head tentacles are shorter than the head. The rear foot forms a sharp tail longer than half the body, and large projections line the back; pale dots mark the body.Where has it been found?This mostly black slug is dotted with bright white or yellow marks. It feeds and reproduces on Avrainvillea algae, crawling among their filaments.It feeds and reproduces on Avrainvillea algae and crawls among the algal filaments.Keeping it safeAn extinction-risk assessment has not been added yet.