Martin, if we normally recommend very small tanks the main reason is to guarantee a quick success with a single pair. But in nature, the licorice gouramis live together in groups of pairs, and you simulate that in your bigger tank. I remember Karen Koomans from the Netherlands reporting once a spawning of five pairs of P. sumatranus in one tank, and she got the impression of a co-ordinated action. She even managed to shoot some photos of this event. It looked rather strange seeing several males (in sumatranus they display vertically with heads up!) only separated by ten or fifteen centimeters in front of their mates.
Perhaps you will experience a similar thing now and perhaps you could document it again?
The
PAROSPHROMENUS PROJECT
