Description: English: Sexual dimorphism: on the left is a female, on the right is a male Polski: Dymorfizm płciowy: po lewej samica, po prawej samiec. Date: 20 July 2011. Source: Own work. Author: Alter welt.
Description: Corydoras paleatus. Date: 3 December 2005 (original upload date). Source: Transferred from de.wikipedia to Commons. Author: NiKo at German Wikipedia.