Composite image of raccoon butterflyfish underwater, Maui, Hawaii, USA (@ Pacific Stock-Design Pics/Superstock)
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- These fish sport dark masks around their eyes.""Is it any wonder they\re known by this nickname?
- Want to get even closer to the colourful members of this school?""Here\s a handy tip
- Chaetodon lunula are a passive lot, generally getting on fine with their fellow marine life.""But which venomous fish has been known to make them roar?
- The mountainous island in the background is renowned for its tropical valleys.""Where are we?
