Narrow-clawed crayfish in Finland: Aphanomyces astaci resistance and genetic relationship to other selected European and Asian populations [PDF]
Knowledge and Management of Aquatic Ecosystems, 2020 The narrow-clawed crayfish (Pontastacus leptodactylus) is an alien species in Finland with only a few populations reported from the southeastern region during the last century.
Jussila Japo +4 more
doaj +7 more sources
Meat Yield and the Length–Weight Relationships of the Narrow‐Clawed Crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) [PDF]
Momona Ethiopian Journal of Science, 2023 The present study investigated the length-weight relationships and meat yield of narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823), in Kocahıdır Irrigation Reservoir.
Fatih Boyalık +2 more
semanticscholar +5 more sources
First record of Astathelohania contejeani (Henneguy, 1892) in the narrow-clawed crayfish Pontastacus leptodactylus (Eschscholtz, 1823) from Belarus [PDF]
Oceanological and Hydrobiological StudiesPorcelain disease, caused by the parasite Astathelohania contejeani, is a fatal disease for freshwater crayfish. Previously published data provide information on the occurrence of A. contejeani in various crayfish species. However, its prevalence in host
K. Śliwińska +2 more
semanticscholar +3 more sources
Recovering Turkish narrow clawed crayfish (Astacus leptodactylus) populations carry Aphanomyces astaci [PDF]
Knowledge and Management of Aquatic Ecosystems, 2012 Crayfish stocks collapsed in Turkey in mid 1980’s due to crayfish plague epidemics, with up to 25% survival in some cases. The collapsed stocks have then recovered slowly and commercial crayfish fishery was reinitiated gradually ...
Kokko H. +5 more
doaj +5 more sources
Aquatic Living Resources, 2022 The narrow-clawed crayfish (Pontastacus leptodactylus) is one of the most ecologically and economically important freshwater species in Turkey. However, the harvest of this species has declined from 7937 t in 1984 to 696 t in 2019. One of primary reasons
Mehmet Cìlbìz +2 more
semanticscholar +7 more sources
Cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) (Crustacea: Decapoda: Astacidae) [PDF]
NaupliusHeterochely is an important phenomenon in decapod crustaceans. Nevertheless, it was rarely examined in freshwater crayfish. Therefore, the aim of this study was to investigate cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus ...
Selçuk Berber, Semih Kale, D. Acarlı
semanticscholar +5 more sources
CONFIRMATION OF OCCURRENCE OF THE NARROW-CLAWED CRAYFISH ? STACUS LEPTODACTYLUS ESCHSCHOLTZ, 1823 IN THE RIVER EVROS IN GREECE [PDF]
Knowledge and Management of Aquatic Ecosystems, 2007 The narrow-clawed crayfish Astacus leptodactylus Eschscholtz, 1823, is widely distributed in eastern European and western Asian countries. However, species presence in Greece was documented only by limited museum conserved specimens dating back to 1893 ...
PERDIKARIS C. +3 more
doaj +4 more sources
Knowledge and Management of Aquatic Ecosystems, 2018 We studied the presence of possible Aphanomyces astaci infections in eight Turkish narrow-clawed crayfish (Astacus leptodactylus) populations by analyzing the prevalence and genotypes of the disease agent A. astaci. The qPCR analyses revealed A.
Kokko Harri +6 more
doaj +3 more sources
Fecundity of the narrow-clawed crayfish Pontastacus leptodactylus in the water bodies of Belarus
Proceedings of the National Academy of Sciences of Belarus, Biological Series, 2023 Pre-larvae hatching fecundity and ovarian fecundity of narrow-clawed crayfish populations were estimated in the lakes and reservoirs of Belarus. Statistically significant differences in the fecundity of females from various water bodies were noted only ...
A. Alekhnovich
semanticscholar +2 more sources
Effect of chloride content in water on heart rate in narrow-clawed crayfish ( [PDF]
Knowledge and Management of Aquatic Ecosystems, 2010 A non-invasive method of recording cardiac activity was used to examine the impact of chloride level in water on narrow-clawed crayfish. This method permits one to record heart rate without any harm to the animal, and also locates ...
P. Kozák +5 more
core +3 more sources