Dikerogammarus villosus (Sowinsky, 1894)

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English Killer shrimp Status LU: absent.
Lëtzebuergesch Killercrevette Status EU: established.
Français Crevette tueuse RA: ISEIA: A0, Alert List. Harmonia+: n/a.
Deutsch Großer Höckerflohkrebs Wikipedia: Wikipedia - English - Killer shrimp Wikipedia - Français - Crevette tueuse Wikipedia - Deutsch - Großer Höckerflohkrebs Nederlands | Wikispecies: n/a (2020)
Nederlands Pontokaspische Vlokreeft Back to the list of invertebrates

Report the species

Report Dikerogammarus villosus to the National Museum of Natural History.

Brief description

Dikerogammarus villosus (8740859563)Dikerogammarus villosus (Sowinsky, 1894) is a freshwater amphipod originating from the Ponto-Caspian region. Its range expansion began in the late twentieth century and was associated with re-opening of the shipping canal between the Danube River and Main River (Vaate et al., 2002). Large body size, extremely voracious predatory behaviour, high fecundity and wide environmental tolerance make this amphipod a very successful invader of European waters. Invasion of D. villosus often results in significant local reduction or even extinction of native amphipods and other macroinvertebrates on which it preys (CABI 2019).

D. villosus is included on the list of the 100 most invasive exotic species of Europe (Devin & Beisel 2009).

Status and distribution in Luxembourg

Dikerogammarus villosus (Sowinsky, 1894) is not yet present in Luxembourg (MNHNL, iNaturalist & GBIF 2020) and has been listed in the Alert List (Ries et al. 2017: 68).

Risk assessment

ISEIA protocol

A0 (3+2+3+3) = Alert List (Ries et al. 2017: 68).

Harmonia+ protocol

Not assessed yet.

Worldwide distribution

Bibliography

  • CABI, 2019. Dikerogammarus villosus. In: Invasive Species Compendium. Wallingford, UK: CAB International. URL: www.cabi.org/isc [accessed 2020-03-13]
  • Devin, S. & J.-N. Beisel, 2009. Dikerogammarus villosus (Sowinsky), killer shrimp (Gammaridae, Crustacea). In: Handbook of alien species in Europe. Springer, 309.
  • MNHNL, iNaturalist & GBIF, 2020. Dikerogammarus villosus in MNHNL-mdata, online portal combining species observation from Recorder-Lux, iNaturalist and GBIF. National Museum of Natural History, Luxembourg. URL: https://mdata.mnhn.lu [accessed 2020-03-13]
  • Ries, C., A. Arendt, C. Braunert, S. Christian, A. Dohet, A. Frantz, G. Geimer, M. Hellers, J. A. Massard, X. Mestdagh, R. Proess, N. Schneider & M. Pfeiffenschneider, 2017. Environmental impact assessment and black, watch and alert list classification after the ISEIA Protocol of invertebrates in Luxembourg. Bull. Soc. Nat. luxemb. 119: 63-70. [PDF 360 KB]

 Page content last updated on 2020-03-13. Last proofread by Caroline Grounds on 2019-12-10.