First attempt ever and I don't know that this qualifies. If you want to see how koi should look, go here to h_ryfa's page:
And thank you to Adryanne.
Watery Paper Pack No. 01
Touch Up Paint Brushes and Stamps
AASPN: Water Drops N0.2
ArtPlay Palette Magic ValueSet
And there were a couple of other brushes but I got so wrapped up I forgot to write them down