Results 41 to 50 of about 6,082 (218)
STATUS OF FRESHWATER CRAYFISH IN LATVIA
Knowledge and Management of Aquatic Ecosystems, 2005 There are three crayfish species present in Latvia: the European noble crayfish (Astacus astacus), the narrow-clawed crayfish (Astacus leptodactylus), and the North-American signal crayfish (Pacifastacus leniusculus) species. Probably only noble crayfish
ARENS A., TAUGBØL T.
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Comparative Study of the Physico-chemical Characteristics of Water in the Astacus astacus Habitat (Sidi Mimoun Lake and Ras Elma Astaculture Station) in the Middle Atlas Morocco [PDF]
مجلة جامعة النجاح للأبحاث العلوم الطبيعيةIn Morocco, periods of drought and the combined impact of climate change and human activities have had varying degrees of impact on the habitats of freshwater species.
Chaima Laiboud +6 more
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eFood, Volume 7, Issue 1, February 2026.The article underscores the promising future perspectives of utilizing agro‐industrial waste, envisioning sustainable production processes, and meeting the increasing demand for environmentally friendly and health‐promoting products. ABSTRACT The growing imperative for increased food production has propelled an example alteration in the perception of ...
Fakhar Islam +9 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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Behavioral thermoregulation in the American lobster Homarus americanus [PDF]
, 1995 It is generally accepted that water temperature has a strong influence on the behavior of the American lobster Homarus americanus. However, there is surprisingly little behavioral evidence to support this view. To haracterize
Al-Ayoub, Saud Abdulazziz +3 more
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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
UTILIZATION OF WATER CRESS (NASTURTIUM OFFICINALE L.) IN NOBLE CRAYFISH (ASTACUS ASTACUS) FEEDING
Knowledge and Management of Aquatic Ecosystems, 2006 Juvenile Astacus astacus (initial b.w.: 0.98 ± 0.06 g) were cultured (30 crayfish/m2) in 200l tanks for 69 days. The experimental design was composed of three treatments as follows: control diet (C) (crude protein: 28.4% of the total dried matter, “DM ...
D’AGARO E.
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The distribution of native and introduced species of crayfish in Austria [PDF]
, 1999 This account concentrates on the six species of crayfish found in Austria, and the current state of knowledge on their distribution and laws affecting conservation.
Pockl, Manfred
core
OCCURENCE OF THE PATHOGEN PSOROSPERMIUM HAECKELI (HILGENDORF) IN ASTACID POPULATIONS IN CROATIA
Knowledge and Management of Aquatic Ecosystems, 2004 Psorospermium haeckeli is a thick-walled unicellular organism widely reported in European astacid crayfish. It is typically referred to as a “parasite” although its pathogenic impact remains unclear.
LUCIC A., MAGUIRE I., ERBEN R.
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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
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