What kind of species is this long-whiskered catfish? / Um welche Art handelt es sich?

TAKE A LOOK AT MY OTHER VIDEOS http://www.fischbottich.de +++ Who can tell me what exact species this catfish is? I think it's out of the Family: long-whiskered catfish (Pimelodidae). It's about 60cm (24inch) long and probably from south or central america. /// Wer weiß um welche Art von Antennenwels es sich hier handelt? Ich vermute er stammt aus der Familie der echten Antennenwelse (Pimelodidae). Er ist 40cm lang und wahrscheinlich aus Zentral- oder Südamerika +++ This is a tank of a Zoo Aquarium near my hometown We have a video of each tank in this Zoo. 27th of March 2009 (27.03.2009) +++ The population of this tank: coming soon...