
This may be the most adorable sea creature in the world—and seeing one face-to-face has been on the bucket list for a Japanese scuba diver until now.
Yusuke Fukami fulfilled that dream by capturing underwater photographs of the cartoon-like Costasiella sea slug recently while in Bali.
He traveled to a diving spot in Tulamben, a small fishing village on the north-east coast.
“Meeting this creature was why we visited Tulamben, so when we finally found one, I was really delighted to have achieved my purpose.”
Yusuke, from the Japanese coastal city of Kanagawa, went on his trip in December hoping to run into one of the pink-tipped sea slugs found only in the tropical island waters of Southeast Asia. His reservations at the Noble Bali diving resort paid off.
“It was so cute that I was like ‘Ahhhhhhhh it’s cuuuuuuute’ when I was taking photos of it in the sea.”

WORTH A GRIN: Comedy Wildlife Photo Winners for 2024 Are Positively Adorable
The tiny sea slug species Costasiella kuroshimae was first discovered only 30 years ago off the coast of a Japanese island.
A mollusk without a shell, it has two dark eyes and two sensing organs called ‘rhinophores’ that emerge from the top of its head and look like sheep’s ears—thus its apt nickname ‘leaf sheep’.
MUST SEE! Farmer Filmed the Adorable Moment His Newborn Quails Caused a Mini Stampede in His Home
The slugs measure only about 1⁄4 to 3⁄8 inch in length (5-10 mm). They feed on algae which allows them to indirectly perform photosynthesis, one of the few animals that can derive energy much like a plant.
SHOW THIS ‘SHEEP SLUG’ TO YOUR FRIENDS BY Sharing On Social Media…