Distribution of crayfish Crustacea, Decapoda in the Carpathian Mountains

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Distribution of crayfish (Crustacea, Decapoda)
in the Carpathian Mountains

• Monika Harváneková Eduard Stloukal

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European freshwater Decapoda

• 6 species of native crayfish
• Astacus
• Astacus astacus Linneaus, 1758
• AUS, BEL, BEG, BG, CRO, CZR, DEN, ENG, EST, FIN,
  FRN, GER, GRE, HUN, LAT, LIT, MAC, MOL, NET,
  NOR, POL, ROM, RUS, SLO, SLV, SWE, SWZ, UKR, YUG
  
• Astacus leptodactylus Eschholz, 1823
• AUS, BEL, BEG, BHZ, BG, CRO, CZR, DEN, ENG,FRN,
  GER, GRE, HUN, ITL, KAZ, LAT, LIT, MOL, NET,
  POL, ROM, RUS, SLO, SWZ, TRK, TUK, UKR, UZB
• Astacus pachypus Rathke, 1837
• AZE, KAZ, RUS, TUK, UKR, BG
• Austropotamobius
• Austropotamobius italicus
• AUS, BHZ, CRO, ENG, FRN, GER, ITL, NIR, SLO,
  SPN, SWZ, WAL
• Austropotamobius pallipes (Lereboullet, 1858)
• AUS, CRO, ENG, FRN, GER, ITL, LICH, NIR, POR,
  SCOT, SPN, SWZ, WL
• Austropotamobius torrentium (Schrank, 1803)
• AUS, CRO, CZR, FRN, GER, HUN, ITL, ROM, SLO, SWZ
• 1 freshwater garnelle Atyaephyra desmaresti
  (Millet, 1831)
• 1 freshwater crab Eriocheir sinensis
  Milne-Edwards, 1854

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Crayfish in Carpathian region

• Romania
• Astacus astacus
• Astacus leptodactylus
• Austropotamobius torrentium
• Austropotamobius pallipes
• Moldova
• Astacus astacus
• Astacus leptodactylus
• Ukraine
• Astacus astacus
• Astacus leptodactylus
• Astacus pachypus
• Poland
• Astacus astacus
• Astacus leptodactylus
• Orconectes limosus
• Pacifastacus leniusculus

• Czech Republic
• Astacus astacus
• Astacus leptodactylus
• Austropotamobius torrentium
• Orconectes limosus
• Pacifastacus leniusculus
• Austria
• Astacus astacus
• Astacus leptodactylus
• Austropotamobius torrentium
• Austropotamobius pallipes
• Orconectes limosus
• Pacifastacus leniusculus
• Hungary
• Astacus astacus
• Astacus leptodactylus
• Austropotamobius torrentium
• Orconectes limosus

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Non-native crayfish species as a threat

• spiny cheek crayfish Orconectes limosus
  (Rafinesque, 1817) (AUS, BEG, CZR, ENG, FRN, GER,
  HUN, LUX, NET, POL, RUS, SWZ)

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Non-native crayfish species as a threat

• signal crayfish Pacifastacus leniusculus Dana,
  1852 (AUS, BEG, CZR, DEN, ENG, FIN, FRN, GER,
  LIT, LAT, LUX, NET, POL, POR, SWE, SWZ)

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Non-native crayfish species as a threat

• Procambarus clarki (Girard, 1852) (ENG, FRN,
  GER, ITL, NET, POR, SPN, SWZ)

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Newcomer to Pannonia through the Danube River
from the River Rhine

• Atyaephyra desmaresti (Millet, 1831)

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Crayfish species present in Slovakia

• broad-fingered (noble) crayfish Astacus astacus
  Linneaus, 1758

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Crayfish species present in Slovakia

• Danube crayfish Astacus leptodactylus Eschholz,
  1823

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Crayfish species present in Slovakia

• stone crayfish Austropotamobius torrentium
  (Schrank, 1803)

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Known distribution of Astacus astacus in Slovakia
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Known distribution of Astacus leptodactylus in
Slovakia
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Known distribution of Austropotamobius torrentium
in Slovakia
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Known distribution of crayfish in Slovakia
? Astacus astacus ? Astacus leptodactylus ?
Austropotamobius torrentium
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Risks for crayfish in the Carpathians Mountains
area (but also everywhere)

• river damming
• bank and bottom regulations and/or canalizing
• pollution
• drink water supply
• introduction of non-indigenous species

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Thanks for your attention