Seawater acclimation affects cardiac output and adrenergic control of blood pressure in rainbow trout (Oncorhynchus mykiss)—implications for salinity variations now and in the future | Zendy

Erika Sundell | Zendy; Daniel Morgenroth | Zendy; Jeroen Brijs | Zendy; Andreas Ekström | Zendy; Albin Gräns | Zendy; Erik Sandblom | Zendy

Open Access

Seawater acclimation affects cardiac output and adrenergic control of blood pressure in rainbow trout (Oncorhynchus mykiss)—implications for salinity variations now and in the future

Author(s) -

Erika Sundell,

Daniel Morgenroth,

Jeroen Brijs,

Andreas Ekström,

Albin Gräns,

Erik Sandblom

Publication year - 2018

Publication title -

conservation physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.942

H-Index - 37

ISSN - 2051-1434

DOI - 10.1093/conphys/coy061

Subject(s) - biology , euryhaline , salinity , prazosin , acclimatization , vascular resistance , blood pressure , medicine , osmoregulation , rainbow trout , ecology , endocrinology , fishery , biochemistry , receptor , fish <actinopterygii> , antagonist

Climate change may exacerbate salinity variations in aquatic ecosystems, potentially affecting fish performance. We show that long-term seawater exposure in rainbow trout increases cardiac output and reduces blood pressure and vascular resistance through altered α-adrenergic control. Possible impacts of salinity fluctuations on fish aerobic swimming and digestive capacity are discussed.

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