Thyroid-Mediated Metabolic Differences Underlie Ecological Specialization of Extremophile Salmonids in the Arctic Lake El’gygytgyn

• Published in: Frontiers in Ecology and Evolution
• Main Authors: Esin, Evgeny V., Markevich, Grigorii N., Zlenko, Dmitriy V., Shkil, Fedor N.
• Other Authors: Russian Science Foundation
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Frontiers Media SA 2021
• Subjects: Arctic; Arctic Lake; long-finned charr; Copepods
• Online Access: http://dx.doi.org/10.3389/fevo.2021.715110; https://www.frontiersin.org/articles/10.3389/fevo.2021.715110/full

El’gygytgyn, the only “ancient lake” in the Arctic (3.6 MY), is a deep (176 m) and extremely cold (always ≤ 4°C) waterbody inhabited by unique salmonids, which colonized the ecosystem stepwise during the global fluctuations of the Quaternary climate. The descendant of the first-wave-invaders (long-f...