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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 20 July 2013. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 22 July 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: A invasive fish the round goby in Holland Nederlands: Een excoot in Nederland de zwartbekgrondel. Date: 6 April 2014. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Black dot features round goby Nederlands: Zwarte vlek voorste rugvin kenmerkend zwartbekgrondel. Date: 14 July 2013. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby male in black that is a spawning dressing during the spawning period Nederlands: Mannetjes zwartbekgrondels zijn zwart tijdens de paaiperiode. Date: 3 August 2013. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 7 May 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby male Nederlands: Zwartbekgrondel mannetje. Date: 30 June 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: A gudgeon Nederlands: Zwartbekgrondel gefotograveerd op een rood stuk karton daarna zette ik hem terug. Date: 21 August 2011. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Neogobius melanostomus. Photo of Round goby. Date: 31 July 2006. Source: en: Image:Roundgoby.jpg from
[1]. Author: U.S. Fish & Wildlife Service. Permission(
Reusing this file): PD.
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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 10 May 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 6 July 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Gudgeon Nederlands: Zwartbekgrondel. Date: 10 September 2011. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby caught near Rozenburg Holland Nederlands: Zwartbekgrondel gevangen bij Rozenburg Nederland. Date: 8 June 2014. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby male Nederlands: Zwartbekgrondel mannetje. Date: 10 May 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: A gudgeon Nederlands: Een zwartbekgrondel. Date: 3 September 2011. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby with hom Nederlands: Zwartbekgrondel met kuit. Date: 20 July 2013. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Very large round goby with round tale Nederlands: Hele grote zwartbekgrondel met een ronde staart. Date: 3 June 2017. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby male Nederlands: Zwartbekgrondel mannetje. Date: 13 May 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 16 June 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 14 July 2013. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby male Nederlands: Zwartbekgrondel mannetje. Date: 10 May 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Female round goby Nederlands: Vrouwtjes zwartbekgrondel. Date: 22 July 2017. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Round goby Nederlands: Zwartbekgrondel. Date: 14 July 2018. Source: Own work. Author: Peter van der Sluijs.
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Description: English: Neogobius melanostomus on another surface Nederlands: Zwartbekgrondel op een andere ondergrond. Date: 16 June 2012. Source: Own work. Author: Peter van der Sluijs.
