Imagine swimming through the waters of Bali when you spot a bouquet of donuts shuffling along, the ghostly-white tissue of ...

It seemed like a lot of effort for a tiny reward. Then I encountered my first nudibranch, a type of vibrant sea slug. I was ...

Some species of nudibranch have turned to a life of crime, robbing prey of their only defences: their stings. Nematocysts are the venomous stinging cell organelles produced by cnidarians such as ...

To cross-stitch your nudibranch, you need to make a small cross of embroidery thread to match every coloured square on the pattern. Choose a square roughly in the middle of the nudibranch pattern and ...