After some fiddling, we got it to work and I just love that shark. Lots of games with flock / boid mechanics and I like the idea of a shark swimming around with a shoal of fish to control. Really liked the shark, I was a shark kid back when... I was a kid. And now. Anyways, reminds me of a game I made myself for a previous libGDX jam (in the look of the shark, nothing else).
Here's my ole game: