|Family||Moorish Idol (ZANCLIDAE)|
|size||Up to 20cm|
|locality||Shallow to outer reefs|
|behaviour||Often in pairs, occasionally in groups|
|range||Circumglobal in tropical zone|
This is Fish ID 101: easily recognised by its long white banner-like dorsal fin filament. Body is almost circular, though with a clear snout. (Not to be confused with Bannerfish which are more truncate and triangular). Plays ‘Gill’ – the main aquarium protagonist – in ‘Finding Nemo’ movie.