Juvenile Jorunna Rubescens
One of the most attractive Nudibranchs of Lembeh Strait is without a doubt the Red-Lined Jorunna (Jorunna rubescens). It’s key features are its enormous size of up to 20cm and the head, that reminds of a Puppy – that’s why it’s also sometimes called the Puppy Nudibranch. Well and yesterday we found a Puppy of the Puppy Nudibranch: A tiny 2 cm long Baby Jorunna rubescens. It is much redder than the adult and does not yet have the dark spot on the nose that will give him the dog like appearance.

Jorunna rubescens adult

Adult version