Advent Calendar Day 12
We at the halfway point!
A Glaucus atlanticus! Otherwise known as a Blue Dragon which is, quite frankly, much easier to spell. Only growing as big as 3cm, this is a type of nudibranch found in deep temperate and tropical waters. Bright colours in nature often indicate the presence of poison and this is no exception. They incorporate the venom in the stingers of the jellyfish they nibble on into their own skin. It makes them less tasty to their predators.
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