The 4.4.4.380 version of nfsExoticFishes for Mac was available as a free download on our website. The application lies within Theming Tools, more precisely Screensavers. The actual developer of this free software for Mac is newfreescreensavers.
From the developer:
Slide-show, animated and 3D screensavers that will decorate your monitor with beautiful moving images. nfsExoticFishes is a fish screensaver. Two amazing fishes will create an aquarium from you idle monitor. nfsExoticFishes is a video-based screensaver.
You may want to check out more software for Mac, such as scarytime v9, Christmas Tree Creator '04 or System47, which might be similar to nfsExoticFishes.