Pufferfish are amazing artists

When threatened by predators, they can inflate themselves into giant balloons that are too large to swallow. Parts of their bodies are highly poisonous. But did you know what males of one species of pufferfish do to attract mates? Create icthyological masterpieces under the sea.

Here's more on this fascinating behavior:

David Mizejewski is a naturalist and media personality with the National Wildlife Federation.