Euryhaline Atlantic stingray (<i>Hypanus sabinus</i>) exhibit elevated oxygen supply capacity in hyposaline water: implications for estuarine species resilience and conservation.

ABSTRACT: Estuarine environments are characterized by fluctuating abiotic conditions, such as salinity and oxygen partial pressure, which challenge the physiological systems of resident species. Organisms inhabiting these systems have evolved physiological plasticity to cope with this variability, particularly in relation to oxygen availability. Estuarine species tend to exhibit greater hypoxia tolerance compared to coastal marine species, likely due to periodic low oxygen exposure. However, the effects of salinity fluctuations on oxygen transport remains unclear. This study investigated the effects of different salinity levels on the oxygen supply capacity of the Atlantic stingray (Hypanus sabinus), a euryhaline elasmobranch in the temperate west Atlantic and Gulf of Mexico. Maximum metaboli

SUBMITTER: Emmons SM 

PROVIDER: S-EPMC12539869 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature