Asciiquarium

asciiquarium is a playful terminal-based program that generates an animated aquarium entirely in ASCII art. It brings to life fish, whales, sharks, turtles, submarines, and other ocean-themed elements swimming across the screen, creating a lighthearted visual display for the command line. The project is written in Perl and designed to run in Unix-like environments, making it simple to install and execute on most systems. While not intended as a practical tool, asciiquarium has become a popular example of creative programming in the terminal, often used for fun or as a screensaver-style distraction. The animation is randomized, so each run produces a slightly different underwater scene. As an open source project, it has been adapted and extended by the community over time, ensuring compatibility and continued enjoyment for terminal enthusiasts.