Postjam bugfix: fish were spawning like crazy because each fish was creating more fish, so the amount of fish was growing exponentially. The bugfix link fixes this, though seeing thousands of fish is satisfying.
https://drive.google.com/file/d/1VYbg9onGGLO_UMXMfK8C-vuu98EuGvNf/view?usp=shari...