Glucocorticoids in fish eggs: variation, interactions with the environment, and the potential to shape offspring fitness

NM Sopinka, PM Capelle… - Physiological and …, 2017 - journals.uchicago.edu
Wild and captive vertebrates face multiple stressors that all have the potential to induce
chronic maternal stress (ie, sustained, elevated plasma glucocorticoids), resulting in embryo …

Simulated pre-spawning catch and release of wild Atlantic salmon (Salmo salar) results in faster fungal spread and opposing effects on female and male proxies of …

M Papatheodoulou, L Závorka, B Koeck… - Canadian Journal of …, 2022 - cdnsciencepub.com
Atlantic salmon (Salmo salar) are increasingly being released after capture by anglers. Yet,
there are still unknown effects on the fish being subjected to the process of catch and …

Effects of simulated catch-and-release angling of Atlantic salmon shortly before spawning on the viability and development of their offspring

M Papatheodoulou, NB Metcalfe… - Canadian Journal of …, 2023 - cdnsciencepub.com
The principle of catch-and-release (C&R) angling is to conserve fish populations while
allowing the socioeconomic benefits associated with recreational angling to continue, even …

Prolonged alteration of neonate traits following maternal exposure to fishing-capture stress during late pregnancy in a chondrichthyan species

L Finotto, TI Walker, RD Reina - Frontiers in Marine Science, 2021 - frontiersin.org
For animals discarded after fishing capture (unwanted bycatch), the effects of fishing-capture
stress can extend beyond immediate or delayed death, causing long-term, sub-lethal effects …

Exposure to exogenous egg cortisol does not rescue juvenile Chinook salmon body size, condition, or survival from the effects of elevated water temperatures

TR Warriner, CAD Semeniuk, TE Pitcher… - Ecology and …, 2020 - Wiley Online Library
Climate change is leading to altered temperature regimes which are impacting aquatic life,
particularly for ectothermic fish. The impacts of environmental stress can be translated …

Multiple environmental drivers across life stages influence Yukon River Chinook salmon productivity

A Murdoch, BM Connors, NWR Lapointe… - Canadian Journal of …, 2023 - cdnsciencepub.com
Recent declines of Yukon River Chinook salmon (Oncorhynchus tshawytscha) populations
have severely impacted people residing in the Yukon and Alaska. Evidence-based …

Zebrafish parental progeny investment in response to cycling thermal stress and hypoxia: deposition of heat shock proteins but not cortisol

MYT Lim, NJ Bernier - Journal of Experimental Biology, 2022 - journals.biologists.com
The maternal match hypothesis predicts that maternal exposure to a stressor may help
prepare offspring to cope with the same disturbance in later life. Although there is support for …

Mimicking transgenerational signals of future stress: thermal tolerance of juvenile chinook salmon is more sensitive to elevated rearing temperature than exogenously …

TR Warriner, CAD Semeniuk, TE Pitcher… - Frontiers in Ecology …, 2020 - frontiersin.org
Elevated temperatures resulting from climate change are expected to disproportionately
affect ectotherms given their biological function has a direct link to environmental …

Examining the relationships between egg cortisol and oxidative stress in developing wild sockeye salmon (Oncorhynchus nerka)

JJ Taylor, NM Sopinka, SM Wilson, SG Hinch… - … and Physiology Part A …, 2016 - Elsevier
Maternally-derived hormones in oocytes, such as glucocorticoids (GCs), play a crucial role
in embryo development in oviparous taxa. In fishes, maternal stressor exposure increases …

Prenatal stress exposure generates higher early survival and smaller size without impacting developmental rate in a Pacific salmon

PM Capelle, CAD Semeniuk… - … Zoology Part A …, 2016 - Wiley Online Library
Prenatal exposure to elevated glucocorticoids can act as a signal of environmental stress,
resulting in modifications to offspring phenotype. While “negative” phenotypic effects (ie …