Results 31 to 40 of about 1,091 (209)

CRAYFISH EPIBIONTS BRANCHIOBDELLA SP. AND HYSTRICOSOMA CHAPPUISI (ANNELIDA: CLITELLATA) IN GREECE

Knowledge and Management of Aquatic Ecosystems, 2007
Specimens of the three known Greek crayfish species, Astacus astacus (Linnaeus, 1758), Astacus leptodactylus Eschscholtz, 1823 and Austropotamobius torrentium (Schrank, 1803), were collected from seven localities in Greece and were examined for the ...
SUBCHEV M., KOUTRAKIS E., PERDIKARIS C.
doaj   +1 more source

Recent changes in distribution pattern of freshwater crayfish in Croatia − threats and perspectives

Knowledge and Management of Aquatic Ecosystems, 2018
Analysis of Croatian freshwater crayfish populations, aiming to gather new distributional data and complement previous surveys (2005–2011), was performed during 2014–2016, within the frame of Natura 2000 Integration Project.
Maguire Ivana, Klobučar Göran, Žganec Krešimir, Jelić Mišel, Lucić Andreja, Hudina Sandra   +5 more
doaj   +1 more source

ÉVOLUTION DE LA RÉPARTITION DES ÉCREVISSES EN FRANCE MÉTROPOLITAINE SELON LES ENQUÊTES NATIONALES MENÉES PAR LE CONSEIL SUPÉRIEUR DE LA PÊCHE DE 1977 À 2001

Knowledge and Management of Aquatic Ecosystems, 2003
Selon les enquêtes nationales menées par le Conseil supérieur de la pêche depuis 1977 en France métropolitaine, la répartition des espèces d’écrevisses montre que les espèces autochtones (Austropotamobius pallipes, Astacus astacus, Austropotamobius ...
CHANGEUX T.
doaj   +1 more source

Impact of the Highly Invasive Signal Crayfish (Pacifastacus leniusculus) on Freshwater Macroinvertebrate Communities

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, Bruno Oliveira, Janeide Padilha, Simone Varandas, Amílcar Teixeira, Ronaldo Sousa   +5 more
wiley   +1 more source

Observations of crayfish plague infections in commercially important narrow-clawed crayfish populations in Turkey

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, Harlioglu Muzaffer M., Aydin Hamdi, Makkonen Jenny, Gökmen Gökhan, Aksu Önder, Jussila Japo   +6 more
doaj   +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, Qianwen Ding, Ruobing Lou, Yuanpei Zhang, Yuanyuan Yao, Yalin Yang, Zhen Zhang, Chao Ran, Zhigang Zhou   +8 more
wiley   +1 more source

Effects of Prawn Shell Meal Diets on Hemocyte Count, Hemolymph Clotting, and Sperm Quality of the Freshwater Prawn Macrobrachium caementarius

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, Gladis Melgarejo-Velásquez, Carlos Azañero-Díaz, Carmen Yzásiga-Barrera, Sorayda Mendoza-Espinoza, Sonia Arroyo-Corales   +5 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.
doaj   +1 more source

Foodborne Hazards and Novel Technologies in Ready‐to‐Eat Crustaceans

Food Frontiers, Volume 6, Issue 6, Page 2647-2672, November 2025.
Biological hazards, including Listeria monocytogenes, norovirus, Salmonella, and Vibrio spp., and chemical hazards, including heavy metals, biotoxins, pesticides, pharmaceuticals, and personal care products, are of great concern regarding crustaceans and their consumption.
Dongli Dong, Selene Pedrós‐Garrido, Daniel Hurley, James Lyng   +3 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.
doaj   +1 more source