Results 211 to 220 of about 282,421 (242)

Freshwater Crayfishes (Astacoidea)

1997
Crayfishes inhabiting the northern hemisphere and discussed below belong to the superfamily Astacoidea. Species of this superfamily have the first and second pairs of pleopods present. The first pair of the female may be quite small, but for the male these , and the second pair, are modified as sperm transference organs [gonopods, figs.
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Distribution Of Freshwater Crayfish In Latvia

2020
Aleksejevs, Ēriks, Birzaks, Jānis (2020): Distribution Of Freshwater Crayfish In Latvia.
Aleksejevs, Ēriks, Birzaks, Jānis
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Imidacloprid induces locomotion impairment of the freshwater crayfish, Procambarus clarkii via neurotoxicity and oxidative stress in digestive system.

Aquatic Toxicology, 2021
Yi Huang, Yuhang Hong, H. Yin, Guangwen Yan, Qiang Huang, Zhiqiang Li, Zhiqiu Huang   +6 more
semanticscholar   +1 more source

Agonistic Behavior in Freshwater Crayfish

2007
AbstractFighting success and dominance in crayfish depends on a variety of extrinsic and intrinsic factors. Most intrinsic factors studied to date are related to the physical size of the crayfish. Larger crayfish or those with larger chelae often have advantages in agonistic interactions.
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Freshwater Crayfish

Journal of Crustacean Biology, 1989
Michael Berrill, D. M. Holdich, R. S. Lowery   +2 more
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Zagreb's freshwater crayfish fauna

2021
Maguire, Ivana, Lovrenčić, Leona, Boštjančić, Ljudevit Luka, Bonassin, Lena, Malović, Lana, Hudina, Sandra   +5 more
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Combined effects of exposure to sub-lethal concentration of the insecticide chlorpyrifos and the herbicide glyphosate on the biochemical changes in the freshwater crayfish Pontastacus leptodactylus

Ecotoxicology, 2020
M. Banaee, M. akhlaghi, S. Soltanian, A. Sureda, A. Gholamhosseini, Mostafa Rakhshaninejad   +5 more
semanticscholar   +1 more source

Freshwater crayfish in environmental genotoxicity assessment

2008
Genotoxic effects are one of the earliest signs of pollution-related environmental disturbance. In this study influence of environmental pollution was assessed by measuring DNA damage in haemocytes of caged narrow-clawed crayfish Astacus leptodactylus by the means of the comet assay and micronucleus test.
Malev, Olga, Šrut, Maja, Maguire, Ivana, Štambuk, Anamaria, Lorenzom, Simonetta, Ferrero, Enrico, Klobučar, Goran Igor Vinko   +6 more
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Freshwater crayfish

Fisheries Research, 1985
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The freshwater crayfishes of South America

1971
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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