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Misgurnus Fossilis, Weatherfish The IUCN Red List of Threatened Species™ ISSN 2307-8235 (online) IUCN 2008: T40698A10351495 Misgurnus fossilis, Weatherfish Assessment by: Freyhof, J. View on www.iucnredlist.org Citation: Freyhof, J. 2013. Misgurnus fossilis. The IUCN Red List of Threatened Species 2013: e.T40698A10351495. http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en Copyright: © 2015 International Union for Conservation of Nature and Natural Resources Reproduction of this publication for educational or other non-commercial purposes is authorized without prior written permission from the copyright holder provided the source is fully acknowledged. Reproduction of this publication for resale, reposting or other commercial purposes is prohibited without prior written permission from the copyright holder. For further details see Terms of Use. The IUCN Red List of Threatened Species™ is produced and managed by the IUCN Global Species Programme, the IUCN Species Survival Commission (SSC) and The IUCN Red List Partnership. The IUCN Red List Partners are: BirdLife International; Botanic Gardens Conservation International; Conservation International; Microsoft; NatureServe; Royal Botanic Gardens, Kew; Sapienza University of Rome; Texas A&M University; Wildscreen; and Zoological Society of London. If you see any errors or have any questions or suggestions on what is shown in this document, please provide us with feedback so that we can correct or extend the information provided. THE IUCN RED LIST OF THREATENED SPECIES™ Taxonomy Kingdom Phylum Class Order Family Animalia Chordata Actinopterygii Cypriniformes Cobitidae Taxon Name: Misgurnus fossilis (Berg, 1949) Synonym(s): • Misgurnis fossilis Common Name(s): • English: Weatherfish Assessment Information Red List Category & Criteria: Least Concern ver 3.1 Year Published: 2013 Date Assessed: March 5, 2010 Justification: A widespread species that is undergoing a gradual and continuing decline resulting in the extirpation from many water bodies however this is not at a rate to qualify the species for a threatened or Near Threatened category. The major threats are due to the channelization of rivers which stops the formation of backwaters (e.g., oxbow lakes), and the pollution of backwaters. European Union 27 = LC. Same rationale as above. Previously Published Red List Assessments 2008 – Least Concern (LC) 1996 – Lower Risk/near threatened (LR/nt) Geographic Range Range Description: Europe north of the Alps, from Meuse eastward to Neva drainages and Lake Ladoga; northern Black Sea basin from Danube eastward to Kuban; Caspian basin in Volga and Ural drainages. In Black Sea basin, absent south of Danube and Kuban. Not native to Great Britain, Scandinavia, Apennine and Iberian Peninsulas, Crimea, and Adriatic, Aegean and White Sea basins. Locally introduced in Rhône drainage (France) and perhaps elsewhere. Extirpated from Switzerland, recent records (in the 1990-2000s) are actually the alien species Paramisgurnus dabryanus. Country Occurrence: Native: Austria; Belarus; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Czech Republic; Estonia; Finland; France; Germany; Hungary; Kazakhstan; Latvia; Lithuania; Luxembourg; Macedonia, the former © The IUCN Red List of Threatened Species: Misgurnus fossilis – published in 2013. 1 http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en Yugoslav Republic of; Moldova; Montenegro; Netherlands; Poland; Romania; Russian Federation; Serbia (Serbia); Slovakia; Slovenia; Ukraine Regionally extinct: Switzerland © The IUCN Red List of Threatened Species: Misgurnus fossilis – published in 2013. 2 http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en Distribution Map © The IUCN Red List of Threatened Species: Misgurnus fossilis – published in 2013. 3 http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en Population Slowly declining. Current Population Trend: Decreasing Habitat and Ecology (see Appendix for additional information) Habitat: Backwaters and side channels of lowland streams, rivers and lakes. Mostly restricted to densely vegetated habitats with slow or no current and soft, mud bottom. Spawns in dense vegetation, often in flooded meadows. Biology: Spawns for the first time at 2-3 years, at about 110 mm SL. Spawns in March-July. Males have a larger second pectoral ray and shallow vertical swellings of flanks above anal base, enlarged during spawning time. Male follows female into dense vegetation and forms a complete ring around her body, behind dorsal fin. Sticky eggs are released into vegetation. Larvae move to bottom and hide in mud. Larvae have large external gill filaments, reabsorbed after 10-12 days. Adults nocturnal, burrows into mud to hide during day and, especially in shallow habitats, during dry periods and strong frosts. Usually burrows 200- 300 mm deep, occasionally down to 700 mm during dry periods. Able to survive in habitats with low oxygen concentrations by cutaneous and intestinal respiration. Frequently swallows air, oxygen being absorbed through the walls of the gut. Feeds on benthic invertebrates. Swims slowly above bottom and dig for invertebrates, which are localized by olfaction. Systems: Freshwater Threats (see Appendix for additional information) River regulation for water transport, has reduced the number of back waters (oxbow lakes etc) where, in the last phases of succession the species is found. The species moves between the backwaters during times of flooding, which has also been regulated by the channelization and damming of the rivers. The succession of the back waters takes many years and the number of available and suitable sites for the species is slowly reducing as they dry out and no new ones are created. The species is known to have been extirpated from many locations. Regionally, the species inhabits secondary waterbodies such as drainage canals. Conservation Actions No information available. Credits Assessor(s): Freyhof, J. Reviewer(s): Kottelat, M. & Smith, K. Contributor(s): Kottelat, M. © The IUCN Red List of Threatened Species: Misgurnus fossilis – published in 2013. 4 http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en Bibliography Fusko, M. 1987. Zur Biologie des Schlammpeitzgers (Misgurnus fossilis L.) unter besonderer Berücksichtigung der Darmatmung. IUCN. 2008. 2008 IUCN Red List of Threatened Species. Available at: http://www.iucnredlist.org. (Accessed: 5 October 2008). IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at: http://www.iucnredlist.org. (Accessed: 16 June 2011). Kottelat, M. and Freyhof, J. 2007. Handbook of European Freshwater Fishes. Publications Kottelat, Cornol, Switzerland. Citation Freyhof, J. 2013. Misgurnus fossilis. The IUCN Red List of Threatened Species 2013: e.T40698A10351495. http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en Disclaimer To make use of this information, please check the Terms of Use. External Resources For Images and External Links to Additional Information, please see the Red List website. © The IUCN Red List of Threatened Species: Misgurnus fossilis – published in 2013. 5 http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en Appendix Habitats (http://www.iucnredlist.org/technical-documents/classification-schemes) Major Season Suitability Habitat Importance? 5. Wetlands (inland) -> 5.1. Wetlands (inland) - Permanent - Suitable Yes Rivers/Streams/Creeks (includes waterfalls) 5. Wetlands (inland) -> 5.5. Wetlands (inland) - Permanent Freshwater - Suitable Yes Lakes (over 8ha) 5. Wetlands (inland) -> 5.7. Wetlands (inland) - Permanent Freshwater - Suitable Yes Marshes/Pools (under 8ha) Threats (http://www.iucnredlist.org/technical-documents/classification-schemes) Threat Timing Scope Severity Impact Score 4. Transportation & service corridors -> 4.3. Shipping Ongoing Unknown Unknown Unknown lanes Stresses: 1. Ecosystem stresses -> 1.2. Ecosystem degradation 7. Natural system modifications -> 7.2. Dams & water Ongoing Unknown Unknown Unknown management/use -> 7.2.11. Dams (size unknown) Stresses: 1. Ecosystem stresses -> 1.1. Ecosystem conversion 1. Ecosystem stresses -> 1.2. Ecosystem degradation Research Needed (http://www.iucnredlist.org/technical-documents/classification-schemes) Research Needed 1. Research -> 1.3. Life history & ecology 3. Monitoring -> 3.1. Population trends Additional Data Fields Population Population severely fragmented: No © The IUCN Red List of Threatened Species: Misgurnus fossilis – published in 2013. 6 http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en The IUCN Red List of Threatened Species™ ISSN 2307-8235 (online) IUCN 2008: T40698A10351495 The IUCN Red List Partnership The IUCN Red List of Threatened Species™ is produced and managed by the IUCN Global Species Programme, the IUCN Species Survival Commission (SSC) and The IUCN Red List Partnership. The IUCN Red List Partners are: BirdLife International; Botanic Gardens Conservation International; Conservation International; Microsoft; NatureServe; Royal Botanic Gardens, Kew; Sapienza University of Rome; Texas A&M University; Wildscreen; and Zoological Society of London. THE IUCN RED LIST OF THREATENED SPECIES™ © The IUCN Red List of Threatened Species: Misgurnus fossilis – published in 2013. 7 http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T40698A10351495.en.
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