There was a download of Doctor Aquarium 2008 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software lies within Desktop Tools, more precisely Screensavers. This program is a product of Sea Apple Software. We recommend checking the downloaded files with any free antivirus. The following version: 2008 is the most frequently downloaded one by the program users.
From the developer:
Doctor Aquarium is an innovative aquarium automation assistant that monitors the health of your aquarium and takes actions so it will not get sick. It works with standard X10 home automation modules, and can measure pH, Temperature, Light Levels, Sound Levels, Voltage, Resistance, and other parameters using a DAQ board. The program features email alerts, and a web interface that lets you monitor you aquarium over the Internet.
You may want to check out more software, such as Digital Aquarium Screensaver, Dream Aquarium 3D Screensaver or Bug Doctor, which might be related to Doctor Aquarium.
Screensavers
Screensavers