A novel method for measuring acute thermal tolerance in fish embryos.

ABSTRACT: Aquatic ectotherms are vulnerable to thermal stress, with embryos predicted to be more sensitive than juveniles and adults. When examining the vulnerability of species and life stages to warming, comparable methodology must be used to obtain robust conclusions. Critical thermal methodology is commonly used to characterize acute thermal tolerances in fishes, with critical thermal maximum (CT_max) referring to the acute upper thermal tolerance limit. At this temperature, fish exhibit loss of controlled locomotion due to a temperature-induced collapse of vital physiological functions. While it is relatively easy to monitor behavioural responses and measure CT_max in larval and adult fish, this is more challenging in embryos, leading to a lack of data on this life stage, or

SUBMITTER: Cowan ZL 

PROVIDER: S-EPMC10410291 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature