A couple of good butterfly koi fish pictures I discovered:
RWG014
Image by Photo Munki
Koi in the display pool at Pan Intercorp www.koi.com
IMG_0889
Image by Mazzer_73
On the bridge at the butterfly centre
IN the aquarium
Image by LeeLeFever
So I just got a new camera- a Pentax Solution WP – it is waterproof, so I just had to go straight to the old aquarium and give it a ritual bath.