There is also the Spanish dancer, a slug in the form of a bright ... “They’re these things! Sea slugs!” We are almost at the car when he approaches another young family, a man, woman and ...

Look at this creature. It's a type of slug that lives in the sea. It's a wonderful colour. It's called a Spanish dancer. The Spanish dancer sways around in the water a bit like a dancing lady.

Then I encountered my first nudibranch, a type of vibrant sea slug. I was swimming to ... nudibranch found in Hawaiian waters ...