Results 61 to 70 of about 1,027 (188)

Take my breath away: Defining the oxygen saturation threshold for fish cortisol stress response

Journal of Fish Biology, EarlyView.
Abstract Human activities are affecting the number, size and severity of hypoxic zones in aquatic ecosystems. As oxygen is one of the most important abiotic factors affecting fish biology, exposure to low levels of dissolved oxygen may lead to a reduction in fitness.
Sébastien Alfonso, Benjamin Geffroy, Pierluigi Carbonara, Lola Toomey, Eduardo Bessa   +4 more
wiley   +1 more source

Possible use of lumpfish to control Caligus elongatus infestation on farmed Atlantic salmon: A mini review [PDF]

, 2020
In this mini review, we systematized current knowledge about the number of Caligus elongatus on farmed Atlantic salmon in relation to the use of lumpfish as cleaner fish.
Myklebust, Elisabeth A., Bloch-hansen, karin, Remen, Mette, Sagerup, Kjetil, Imsland, Albert, Reynolds, Patrick, Mathisen, Remi   +6 more
core   +1 more source

Interleukin-1 Ligands and Receptors in Lumpfish (Cyclopterus lumpus L.): Molecular Characterization, Phylogeny, Gene Expression, and Transcriptome Analyses

Frontiers in Immunology, 2020
The interleukin (IL)-1 family play a fundamental role as immune system modulators. Our previous transcriptome-analyses of leukocytes from lumpfish (Cyclopterus lumpus L.) showed that IL-1β was among the most highly upregulated genes following bacterial ...
Håvard Ø. Eggestøl, Harald S. Lunde, Tim Martin Knutsen, Gyri T. Haugland   +3 more
doaj   +1 more source

Lumpfish physiological response to chronic stress

Frontiers in Marine Science
In this study, we explored the effects of chronic stress on lumpfish (Cyclopterus lumpus) physiological, immune response, health, and plasma free amino acids. 3 groups of lumpfish were exposed to 1-minute air exposure. 1 group was exposed to stress once per week, a second group exposed 2 times per week, and a third group exposed 4 times per week.
Tiago da Santa Lopes, Tiago da Santa Lopes, Tiago da Santa Lopes, Benjamin Costas, Benjamin Costas, Lourenço Ramos-Pinto, Patrick Reynolds, Albert K. D. Imsland, Albert K. D. Imsland, Cláudia Aragão, Cláudia Aragão, Jorge M. O. Fernandes   +11 more
openaire   +5 more sources

Piscirickettsiosis in Farmed Turbot, Scophthalmus maximus

Journal of Fish Diseases, EarlyView.
ABSTRACT Piscirickettsia salmonis is a well‐established intracellular pathogen of farmed Atlantic salmon around the world. The bacterium has also been detected from a number of other hosts including lumpfish (Cyclopterus lumpus), seabass (Dicentrarchus labrax) and rainbow trout (Oncorhynchus mykiss).
Hanne K. Nilsen, Magne Kjerulf Hansen, Raoul Kuiper, Jan Inge Øvrebø, Kjersti Sturød, Maryam Saghafian, Snorre Gulla, Anne Berit Olsen, Duncan J. Colquhoun, Ole Bendik Dale   +9 more
wiley   +1 more source

A Screening Study on Effects Varying Dietary Macronutrient Composition on Gut Functions in Lumpfish (Cyclopterus lumpus)

Frontiers in Marine Science, 2022
Cultivation of lumpfish (Cyclopterus lumpus) as lice cleaner fish for salmon is now expanding. For successful cultivation of a new species, understanding the basic biology of digestive functions is vital to facilitate and optimize diet formulation.
Weiwen Zhou, Kristin Hamre, Elvis Chikwati, Katerina Kousoulaki, Ingrid Lein, Gerd Marit Berge, Øystein Sæle, Trond M. Kortner, Åshild Krogdahl   +8 more
doaj   +1 more source

Ocular Manifestations of Infectious Salmon Anaemia Virus Infection in Atlantic Salmon (Salmo salar)

Journal of Fish Diseases, EarlyView.
ABSTRACT Eyes are essential sensory organs needed by teleost Atlantic salmon for high visual acuity and survival in both the wild and in aquaculture settings. In this work, we assessed the ocular manifestations of Infectious Salmon Anaemia Virus (ISAV) infection in Atlantic salmon by a cohabitation‐mediated infection assay and histological and ...
Emily Mahon, Rebecca R. Kwabiah, Hélène Paradis, Manuel A. Soto‐Dávila, Sathees Duglas, Raja Ram Gurung, Thurka Paramanathan, Ignacio Vasquez, Shams Al‐Badoosh, John Law, Javier Santander, Mark D. Fast, Robert L. Gendron   +12 more
wiley   +1 more source

From the brink of extinction to regulation: northern Europe's white‐tailed eagles now face density dependence and climate constraints after rapid population growth

Oikos, Volume 2026, Issue 7, July 2026.
Population growth reflects the combined influence of regulation and density‐independent factors operating through demographic processes. Under exceptional circumstances (e.g. populations recovering from near‐extinction), growth may initially be weakly regulated but typically slows as negative density dependence (NDD) sets in.
Bård‐Jørgen Bårdsen, Elisabeth Hansen, Jan Ove Bustnes   +2 more
wiley   +1 more source

Movements of female lumpfish (Cyclopterus lumpus) around Iceland [PDF]

ICES Journal of Marine Science, 2014
Abstract Lumpfish (Cyclopterus lumpus) migrate from their offshore feeding areas to the coastal areas of Iceland during March and April where they remain for several months before spawning. Their movements during this time are poorly documented.
James Kennedy, Sigurður Þ. Jónsson, Jacob M. Kasper, Halldór G. Ólafsson   +3 more
openaire   +1 more source

Cohabitation With Atlantic Salmon (Salmo salar) Affects Brain Neuromodulators But Not Welfare Indicators in Lumpfish (Cyclopterus lumpus)

Frontiers in Physiology, 2022
Lumpfish are utilized to combat ectoparasitic epidemics in salmon farming. Research gaps on both cleaning behavior and client preferences in a natural environment, emphasizes the need to investigate the physiological impacts on lumpfish during ...
Fredrik R. Staven, Fredrik R. Staven, Manuel Gesto, Martin H. Iversen, Per Andersen, Deepti M. Patel, Jarle T. Nordeide, Torstein Kristensen   +7 more
doaj   +1 more source