Results 31 to 40 of about 392 (171)
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 +1 more source
Freshwater Biology, Volume 71, Issue 2, February 2026.ABSTRACT Invasive non‐native species threaten freshwater ecosystems, disrupting the functioning and structure of the food chain and potentially leading to biodiversity loss. As omnivores, crayfish can modify their environment, directly affecting organisms such as macroinvertebrates.
António Barbosa Nogueira +5 more
wiley +1 more source
Stress Nutrition in Aquatic Animals: From Definition to Practice
Reviews in Aquaculture, Volume 18, Issue 1, January 2026.ABSTRACT Aquaculture faces numerous challenges, with stress being one of the major issues that lead to growth loss, metabolic disorders, weakened immunity, redox imbalance, and organ damage in aquatic animals. Nutritional intervention is one of the effective strategies to address these problems. Traditional research has primarily focused on the impacts
Jian Zhang +8 more
wiley +1 more source
Freshwater crayfish in Bosnia and Herzegovina: the first report on their distribution
Knowledge and Management of Aquatic Ecosystems, 2011 The aim of this research paper is to present available data on the distribution of freshwater crayfish in Bosnia and Herzegovina, including data from the literature and those of our own investigations.
Trožić-Borovac S.
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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
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Aquaculture Nutrition, Volume 2026, Issue 1, 2026.Calcium and magnesium are essential mineral elements for animal growth and development, playing crucial roles in skeletal formation, particularly in the molting process of crustaceans. However, their interaction is still poorly elucidated. This study investigated the effects of dietary calcium and magnesium levels on the growth performance, tissue ...
Han Chen +10 more
wiley +1 more source
THE STONE CRAYFISH AUSTROPOTAMOBIUS TORRENTIUM (SCHRANK) IN THE CZECH REPUBLIC
Knowledge and Management of Aquatic Ecosystems, 2002 Five species of crayfish, comprising two native species Austropotamobius torrentium and Astacus astacus, one introduced European species, Astacus leptodactylus and two alien American species, Orconectes limosus and Pacifastacus leniusculus, occur in open
KOZAK P., DURIS Z., POLICAR T.
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Aquaculture Research, Volume 2026, Issue 1, 2026.Crustacean shells are composed of chitin, which is bound to protein and minerals, along with other essential nutrients. These components are necessary for growth, immune response, the formation of reproductive structures, and the enhancement of sperm quality.
Walter Reyes-Avalos +5 more
wiley +1 more source
The contralateral coordination of walking legs in the crayfish Astacus leptodactylus
Biological Cybernetics, 1991 The coupling mechanisms which coordinate the movement of ipsilateral walking legs in the crayfish have been described in earlier investigations. Concerning the coupling between contralateral legs it was only known that these influences are weaker than those acting between ipsilateral legs.
Müller, Uwe, Cruse, Holk
openaire +3 more sources
DETERMINATION OF HEAVY METALS CONTENT IN ASTACUS LEPTODACTYLUS CASPICUS IN ANZALI LAGOON
Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2003 With attention to different human activities around Anzali lagoon and entrance different pollutants containing heavy metals into this aquatic ecosystem and alterante absorption and accumulation of heavy metals in shell and muscle of Astacus leptodactylus
maryam paydar1; M. Sharif Fazeli2; A. Riahi Bakhtiari2
doaj