Wisenden, B.D.; Smith, R.J.F. (1997). "The effect of physical condition and shoalmate familiarity on proliferation of alarm substance cells in the epidermis of fathead minnows". Journal of Fish Biology. 50 (4): 799–808. doi:10.1006/jfbi.1996.0345.
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.
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.
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.