Daily, repeating fluctuations in embryonic incubation temperature alter metabolism and growth of Lake whitefish (Coregonus clupeaformis)

Lake whitefish (Coregonus clupeaformis) utilize overwintering embryonic development (up to 180 days), and such stenothermic, cold-water embryos may be particularly susceptible to thermal shifts. We incubated whitefish embryos in temperature treatments that were constant temperature (2.0 ± 0.1 °C, 5....

Full description

Saved in:
Bibliographic Details
Published in:Comparative biochemistry and physiology. Part A, Molecular & integrative physiology Molecular & integrative physiology, 2018-12, Vol.226, p.49-56
Main Authors: Eme, John, Mueller, Casey A., Lee, Abigail H., Melendez, Christopher, Manzon, Richard G., Somers, Christopher M., Boreham, Douglas R., Wilson, Joanna Y.
Format: Article
Language:English
Subjects:
Animals
Development
Developmental plasticity
Embryo
Embryo, Nonmammalian - physiology
Embryonic Development
Fish
Oxygen consumption
Oxygen Consumption - physiology
Salmonidae - embryology
Salmonidae - growth & development
Salmonidae - metabolism
Salmonidae - physiology
Temperature
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Lake whitefish (Coregonus clupeaformis) utilize overwintering embryonic development (up to 180 days), and such stenothermic, cold-water embryos may be particularly susceptible to thermal shifts. We incubated whitefish embryos in temperature treatments that were constant temperature (2.0 ± 0.1 °C, 5.0 ± 0.1 °C, and 8.0 ± 0.1 °C; mean ± SD) or variable temperature (VT, mean = 5.0 ± 0.3 °C). In the VT, a daily 2 °C temperature change followed a continuous pattern throughout development: 2-4-6-8-6-4-2 °C. Hatchling survival proportion from fertilization to hatch was significantly impacted by incubation temperature (P 
ISSN:1095-6433
1531-4332
DOI:10.1016/j.cbpa.2018.07.027