A gang of dissin' fish

While Frank and I moved to New Zealand 4 years ago now, he still does some odd jobs for the Dutch SPCA (Dierenbescherming). They asked him to create a logo for the discouragement of angling.
I once made an acrylic painting with two gangs of 'dissin' fish'. We looked if there was one of them appropriate for logo.
Here is the result. Try to find the lucky one ...