Results 71 to 80 of about 1,189 (191)
Sex-specific local life-history adaptation in surface- and cave-dwelling Atlantic mollies (Poecilia mexicana) [PDF]
, 2016 Cavefishes have long been used as model organisms showcasing adaptive diversification, but does adaptation to caves also facilitate the evolution of reproductive isolation from surface ancestors?
AP Hendry +55 more
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Aquaculture and FisheriesGamma-aminobutyric acid (GABA) regulates several physiological, neuroendocrine, and behavioural functions, yet the specific role of its receptors in the hypothalamic-pituitary-testis (HPT) axis remains unclear in teleosts.
Achyutham Hotha, C.B. Ganesh
doaj +1 more source
Subtle Microbiome Manipulation Using Probiotics Reduces Antibiotic-Associated Mortality in Fish
mSystems, 2017 Prophylactic antibiotics in the aquaculture and ornamental fish industry are intended to prevent the negative impacts of disease outbreaks. Research in mice and humans suggests that antibiotics may disturb microbiome communities and decrease microbiome ...
Victor Schmidt +4 more
doaj +1 more source
Revista de Biología Tropical, 2008 Composition and abundance of the ichthyofauna in estuarine and coastal lagoon systems of the South Pacific in Mexico have been scarcely studied. In particular, there is a lack of information on how environmental variables determine the spatio-temporal ...
Ernesto Velázquez-Velázquez +2 more
doaj
Black spots and female association preferences in a sexual/asexual mating complex ( Poecilia , Poeciliidae, Teleostei) [PDF]
, 2018 We investigated whether female association preferences for males are influenced by black spot disease (BSD), a parasite induced change of the host phenotype.
Burmeister, Heike +3 more
core
Diseased fish in the freshwater trade: from retailers to private aquarists [PDF]
, 2019 Millions of fish are transported between countries annually for the aquarium trade, yet no quantitative study has examined how disease frequency differs among species and stakeholders.
Cable, Joanne, Maceda-Veiga, Alberto
core +2 more sources
SIGNALING EFFICACY DRIVES THE EVOLUTION OF LARGER SEXUAL ORNAMENTS BY SEXUAL SELECTION. [PDF]
, 2014 Why are there so few small secondary sexual characters? Theoretical models predict that sexual selection should lead to reduction as often as exaggeration, and yet we mainly associate secondary sexual ornaments with exaggerated features such as the ...
Iwasa, Y, Pomiankowski, A, Tazzyman, SJ
core
Boletim do Instituto de Pesca, 2018 A fauna parasitária de peixes ornamentais de Florianópolis, SC, Brasil foi avaliada entre junho de 2004 e junho de 2005. Xiphophorus maculatus (n=88), Xiphophorus helleri (n=27), Poecilia sphenops (n=20), Macropodus opercularis (n=20), Trichogaster ...
Rômi Sharon Piazza +3 more
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Survival in an extreme habitat: the roles of behaviour and energy limitation [PDF]
, 2018 Extreme habitats challenge animals with highly adverse conditions, like extreme temperatures or toxic substances. In this paper, we report of a fish (Poecilia mexicana) inhabiting a limestone cave in Mexico.
García de León, Francisco +5 more
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Impact of urbanization on stream fish fauna in tropical catchments of the Malay Peninsula
Ecological IndicatorsSince the 20th century, rapid urbanization has led to various environmental challenges. These include urban flooding due to changes in the water cycle, poor water quality, and the degradation of aquatic ecosystems. Additionally, urbanization has caused a
Rei Itsukushima +5 more
doaj +1 more source