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Metcalfe, N.B.; Thomson, B.C. (1995). "Fish recognize and prefer to shoal with poor competitors". Proceedings of the Royal Society of London. Series B: Biological Sciences. 259 (1355): 207–210. Bibcode:1995RSPSB.259..207M. doi:10.1098/rspb.1995.0030. S2CID85131321.
invasivespeciesscotland.org.uk
"Minnows (Phoxinus phoxinus)". RAFTS Invasive Species and Biodiversity Programme. Invasive Species Scotland. Archived from the original on 1 December 2017. Retrieved 29 November 2017.
Metcalfe, N.B.; Thomson, B.C. (1995). "Fish recognize and prefer to shoal with poor competitors". Proceedings of the Royal Society of London. Series B: Biological Sciences. 259 (1355): 207–210. Bibcode:1995RSPSB.259..207M. doi:10.1098/rspb.1995.0030. S2CID85131321.
"Minnows (Phoxinus phoxinus)". RAFTS Invasive Species and Biodiversity Programme. Invasive Species Scotland. Archived from the original on 1 December 2017. Retrieved 29 November 2017.