20 Black Widow Tetras, Gymnocorymbus ternetzi were added to the 360 litre community tank.
This is a fish that I have overlooked, and I guess that I am not alone. Maybe this is because they often seem quite pale in the local fish shops or maybe that they rarely are displayed in large numbers.
The fish have settled in very well and really look well together with the Cardinal Tetras. The Black Widows school separately at a high level in the tank while the Cardinals most often stay at lower levels and therefor the two species complement each other very well.
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