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Marmorkrebs discovered
Hobbyists start noticing that their marbled crayfish are reproducing even when kept alone. -
Hobbyists contact scientists
First email to CRUST-L discussion list on Marmorkrebs. -
Marmorkrebs found in Poland
Single individuals found. -
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Marmorkrebs found in the wild in Germany
Single individuals. Blanke D, Schulz H. 2003. Situation des Edelkrebses (Astacus astacus L.) sowie weiterer Flusskrebsarten in Niedersachsen.
Tagungsbericht der Deutschen Gesellschaft fu¨ r Limnologie (DGL), Braunschweig, 2002. Werder: DGL. p 385–389. Cited in: Vogt G, Tolley L & Scholtz G. 2004. Life stages and reproductive components of the Marmorkrebs (marbled crayfish), the first parthenogenetic decapod crustacean. Journal of Morphology 261(3): 286-311. -
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Marmorkrebs found in Madagascar
Marmorkrebs reported in capital city of Antananarivo, according to Heimer (2010). Populations confirmed by scientists in 2007. Heimer K. 2010. Invasion of self-cloning crayfish alarms Madagascar. Deutsche Presse-Agentur wire story.
http://www.earthtimes.org/articles/news/339974,alarms-madagascar-feature.html Jones JPG, Rasamy JR, Harvey A, Toon A, Oidtmann B, Randrianarison MH, Raminosoa N, Ravoahangimalala OR. The perfect invader: a parthenogenic crayfish poses a new threat to Madagascar’s fr -
Marmorkrebs introduced to science
First Marmorkrebs paper published in Nature. -
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Marmorkrebs in North American pet trade
Earliest known reports of North American pet owners getting Marmorkrebs. Faulkes Z. 2010. The spread of the parthenogenetic marbled crayfish, Marmorkrebs (Procambarus sp.), in the North American pet trade. Aquatic Invasions 5(4): 447-450. http://dx.doi.org/10.3391/ai.2010.5.4.16 -
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Marmorkrebs found in The Netherlands
Holdich DM, Pöckl M. 2007. Invasive crustaceans in European inland waters. In: Gherardi, F. (ed) Freshwater bioinvaders: profiles, distribution, and threats, pp. 29-75. Springer: The Netherlands. -
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Marmorkrebs found in Japan
Single individual. Kawai T, Takahata M (eds.). 2010. The Biology of Freshwater Crayfish. Sapporo: Hokkaido University Press. -
Marmorkrebs are clones
Martin P, Kohlmann K & Scholtz G. 2007. The parthenogenetic Marmorkrebs (marbled crayfish) produces genetically uniform offspring. Naturwissenschaften 94(10): 843-846. http://dx.doi.org/10.1007/s00114-007-0260-0 -
Marmorkrebs.org launched
Marmorkrebs.org launched -
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Marmorkrebs found in Italy
Marzano FN, Scalici M, Chiesa S, Gherardi F, Piccinini A & Gibertini G. 2009. The first record of the marbled crayfish adds further threats to fresh waters in Italy. Aquatic Invasions 4(2): 401-404. http://dx.doi.org/10.3391/ai.2009.4.2 -
First scientific review article on Marmorkrebs
Vogt, G. 2008. The marbled crayfish: a new model organism for research on development, epigenetics and evolutionary biology. Journal of Zoology 276(1): 1-13. http://dx.doi.org/10.1111/j.14....2008.00473.x -
Tropical Fish Hobbyist article
Article published in national American hobby magazine promoting Marmorkrebs to aquarium enthusiasts. -
First established population of Marmorkrebs in Europe
Unconfirmed observations of Marmorkrebs had been earlier. Chucholl C, Pfeiffer M. 2010. First evidence for an established Marmorkrebs (Decapoda, Astacida, Cambaridae) population in Southwestern Germany, in syntopic occurrence with Orconectes limosus (Rafinesque, 1817). Aquatic Invasions 5(4): 405-412. http://dx.doi.org/10.3391/ai.2010.5.4.10 -
Marmorkrebs prohibited in Idaho
Marmorkrebs designated “Aquatic Invertebrate Invasive Species” under IDAPA 02.06.09 “Rules Governing Invasive Species and Noxious Weeds.” -
Marmorkrebs related to slough crayfish
Martin P, Dorn NJ, Kawai T, van der Heiden C, Scholtz G. 2010. The enigmatic Marmorkrebs (marbled crayfish) is the parthenogenetic form of Procambarus fallax (Hagen, 1870). Contributions to Zoology 79(3): 107-118. http://dpc.uba.uva.nl/ctz/vol79/nr03/art03 -
Missouri bans Marmorkrebs
Missouri becomes first North American jurisdiction to add Marmorkrebs specifically to its prohibited species list. -
Marmorkrebs found in Sweden
12 crayfish found in lake north of Stockholm, Sweden. http://www.havochvatten.se/en/start/about-us/press-and-media/press-releases/press-releases/12-5-2012-discovery-of-marbled-crayfish-creates-concern.html -
Marmorkrebs in Croatia
First record in Croatia. -
Marmorkrebs are triploid
Research by Peer Martin announced at special session on crayfish biology at Society for Integrative and Comparative Biology meeting. -
Marmorkrebs found in Hungary
Reported in: Lőkkös A, Müller T, Kovács K, Várkonyi L, Specziár A, Martin P. 2016. The alien, parthenogenetic marbled crayfish (Decapoda: Cambaridae) is entering Kis-Balaton (Hungary), one of Europe’s most important wetland biotopes. Knowledge and Management of Aquatic Ecosystems 417: 16. http://dx.doi.org/10.1051/kmae/2016003 -
Marmorkrebs found in Croatia
Samardžić M, Lucić A, Maguire I, Hudina S. 2014. The first record of the marbled crayfish (Procambarus fallax (Hagen, 1870) f. virginalis) in Croatia. Crayfish News 36(4): 4. http://www.freshwatercrayfish.org/docs/cn/CrayfishNews_36(4)_hr.pdf -
Marmorkrebs found in Ukraine
Novitsky RA, Son MO. 2016. The first records of Marmorkrebs [Procambarus fallax (Hagen, 1870) f. virginalis] (Crustacea, Decapoda, Cambaridae) in Ukraine. Ecologica Montenegrina 5: 44-46. http://www.biotaxa.org/em/article/view/19706/19060 -
Wild Marmorkrebs in Europe carry crayfish plague
Two papers released: Mrugała A, et al. Biological Invasions: In press. http://dx.doi.org/10.1007/s10530-014-0795-x Keller NS, et al. Knowledge and Management of Aquatic Ecosystems: in press. http://www.kmae-journal.org/component/forthcoming/?Itemid=117 -
Marmorkrebs found in Czech Republic
Patoka J, Buric M, Kolár V, Bláha M, Petrtýl M, Franta P, Tropek R, Kalous L, Petrusek A, Kouba A. 2016. Predictions of marbled crayfish establishment in conurbations fulfilled: evidences from the Czech Republic. Biologia 71(12): 1380–1385. https://doi.org/10.1515/biolog-2016-0164 -
Freshwater Crayfish published
First book to have a major section devoted to Marmorkrebs. https://www.crcpress.com/Freshwater-Crayfish-A-Global-Overview/Kawai-Faulkes-Scholtz/9781466586390 -
Marmorkrebs can be given male features
Kato M, Hiruta C, Tochinai S. 2015. Androgenic gland implantation induces partial masculinization in Marmorkrebs Procambarus fallax f. virginalis. Zoological Science 32(5): 459-464. http://dx.doi.org/10.2108/zs150028 -
Tennessee restricts Marmorkrebs ownership
Marmorkrebs designated as Class V wildlife in Tennessee. Blog post -
Marmorkrebs are morphologically distinct from Procambarus fallax
Vogt G, Falckenhayn C, Schrimpf A, Schmid K, Hanna K, Panteleit J, Helm M, Schulz R, Lyko F. 2015. The marbled crayfish as a paradigm for saltational speciation by autopolyploidy and parthenogenesis in animals. Biology Open 4(11): 1583-1594. http://dx.doi.org/10.1242/bio.014241 -
European Union bans Marmorkrebs
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Marmorkrebs in Malta
First record in the nation of Malta. -
Marmorkrebs renamed Procambarus virginalis
Marmorkrebs elevated to full species status and given new name, Procambarus virginalis. -
Marmorkrebs genome published
Preprint of paper released that announced completion of Marmorkrebs genome, the first complete genome for a decapod crustacean. -
Marmorkrebs found in Denmark
Single animal found near Skive. -
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Marmorkrebs in Estonia
First record in of Marmorkrebs in Estonia. -
Marmorkrebs found in Belgium
Many individuals found in Brussels cemetery. -
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Marmorkrebs prohibited in Michigan
Michigan Department of Natural Resources adds Marmorkrebs to list of prohibited species. https://www.michigan.gov/dnr/0,4570,7-350-86469-529351--,00.html
