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Fish Monitor

This is a view from underwater in a 50 gallon, social tank. The view usually has tubes and a bubblers in the background. The camera has an infrared illuminator so that there is good visibility at night. This is a community tank with mostly Eigenmannia. Often there are Apteronotus, Steatogenys, and/or Rhamphichthys in this tank as well.

10 second sample of the electrical activity of a group of Eigenmannia. Frequencies are between 250 and 700 Hz.