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   Cercopagis pengoi (crustacean)  English     
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      Sexually produced ossiani morph (on the right) and parthenogenetically
produced pengoi morph (on the left) produced morphs of Cercopagis pengoi
(Photo: Dr. Igor Grigorovich, University of Windsor, Canada) - Click for full size   Sexual female Cecopagis pengoi with a resting egg: anterior region (on the left) and complete body with caudal process (on the right) (Photo: Dr. Igor Grigorovich, University of Windsor, Canada) - Click for full size   Male Cercopagis pengoi: anterior region (on left) and complete body with caudal process (on right) (Photo: Dr. Igor Grigorovich, University of Windsor, Canada) - Click for full size
    Nom taxonomique: Cercopagis pengoi (Ostroumov, 1891)
    Synonymes: Cercopagis (Apagis) ossiani (Mordukhai-Boltovskoi 1968)
    Noms communs: cercopag (Russian), fishhook waterflea (English), Kaspischer Wasserfloh (German), petovesikirppu (Finnish), röövtoiduline vesikirp (Estonian), rovvattenloppa (Swedish), tserkopag (Russian)
    Type d'organisme: crustacean
    Espèces semblables
    Bythotrephes longimanus

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    Se rencontre dans:
    cours d'eau, estuaires, habitats marins, lacs, zones humides
    Utilisations
    In the Baltic and in the Great Lakes, zooplanktivorous fish and mysids are reported to prey on C. pengoi, implying that it has become a new food source. Its importance increases in larger fish (Antsulevich and Välipakka 2000; Gorokhova et al. 2004; Ojaveer et al. 2004; Bushnoe et al. 2003) and in actively migrating mysids (Gorokhova and Lehtiniemi 2007).
    Cette espèce figure sur la liste de l’UICN des 100 espèces parmi les plus envahissantes au monde
    Révisé par: Elena Gorokhova, Professor, Dept. of Applied Environmental Science, Stockholm University, Sweden
    Compilé par: Profile revision: National Biological Information Infrastructure (NBII) & IUCN/SSC Invasive Species Specialist Group (ISSG)
    Dernière mise à jour: Monday, 6 September 2010


ISSG Landcare Research NBII IUCN University of Auckland