Comments: Decline in prey taxa (decline in the Cladocera, Ostracoda and Rotifera) after establishment; outcompetes species with similar dietary requirements for these prey (Ketelaars et al. 1999; Verslycke et al. 2000).
References: AquaNIS. Editorial Board, 2015. Information system on Aquatic Non-Indigenous and Cryptogenic Species. World Wide Web electronic publication. www.corpi.ku.lt/databases/aquanis. Version 2.36+. Accessed 2021-07-23.
Ketelaars, H.A.M., Lambregts-van de Clundert, F.E., Carpentier, C.J., Wagenvoort, A.J., Hoogenboezem, W. 1999. Ecological effects of the mass occurrence of the Ponto-Caspian invader, Hemimysis anomala G.O. Sars, 1907 (Crustacea: Mysidacea), in a freshwater storage reservoir in the Netherlands, with notes on its autecology and new records. Hydrobiologia, 394: 233-248.
Verslycke, T., Janssen, C., Lock, K., Mees, J. 2000. First occurrence of the Pontocaspian invader Hemimysis anomala (Sars, 1907) in Belgium (Crustacea: Mysidacea). Belgian Journal of Zoology, 130: 157-158.