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A system called 'C-Numbers' by Hans-Georg Evers

Once upon a time when the catfish community was a small group of slightly weird guys dealing with fish that all the other aquarists liked to call scavengers my fish world was nicely easy to overlook with a bunch of Corys we all knew, all did trying to breed and to be frank, a bit boring; in the late 80s the things drastically changed. The catfish mode grew and with some blinking stars like Hypancistrus zebra and Corydoras sterbai the most fashionable catfish took over the stage. Although mainly the Ancistrinae are the world wide darlings, also the Corydoradinae were suddenly in the spotlight with more and more actors coming up, that we could not give a name to.

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