TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz Its maximum concentration before reverse osmosis would set in seems to impose a depth limit on fish: https://t.co/X5GfaUFBah H/T: https://t.co/QBfFqiaAiN
Marine fish may be biochemically constrained from inhabiting the deepest ocean depths.
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Oct 2021 – Jul 2025Where it's discussed
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News35 articles
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X / Twitter15 posts
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Blogs12 articles
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Facebook3 posts
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AI synopsis
What people are saying
Participants demonstrate a high interest by referencing the role of TMAO in pressure adaptation and debating the depth limits of fish, exemplified by posts citing specific depths like 8200 m and discussing whether fish can survive beyond those levels. The tone balances curiosity and skepticism, reflecting engagement with the scientific details and potential implications of the research.
Most discussions acknowledge the research's findings, especially the physiological constraints limiting fish at great depths.
The topic of pressure-related biochemical limits captivates participants, indicating a high level of curiosity.
Users actively reference specific studies and express skepticism or curiosity, showing moderate involvement.
Recognizing the depth limitations has potential implications for marine biology and understanding deep-sea ecosystems, suggesting moderate impact.
Abstract in brief
- Marine fish are absent from the deepest parts of the ocean, likely due to pressure-related biochemical constraints, though direct evidence is limited.
- Fish use a molecule called TMAO to stabilize proteins against pressure, and its levels increase with depth, affecting the fish's internal osmolality, which rises from shallow waters to the deep.
- Studies on the hadal snailfish from 7000 m depth show TMAO levels and osmolality consistent with predictions that beyond about 8200 m, biochemical constraints may prevent fish from surviving, indicating a physiological limit to their depth range.]
Top posts
Most liked on X and BlueskyEven the record of A. galatheae has been doubted since it was caught with an open net. Fishes may be limited to depths less than 8,200 m based on physiological constraints. The deepest in-situ observation of a fish is 8,145 m. https://t.co/tYGp26MoF9 https://t.co/Iihb9MJoVF
@AutumnMandrake Apparently it’s close to the upper limit on pressure that we’d expect to find fish https://t.co/tBHnQNRAfR
Much of the information here relies on the 2014 paper by Yancey et al., 'Marine fish may be biochemically constrained from inhabiting the deepest ocean depths': https://t.co/owC7IQzkBU
RT @TylerGreenfieId: Even the record of A. galatheae has been doubted since it was caught with an open net. Fishes may be limited to depths…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
All mentions
Deep Ocean Fish Evolution and Survival Limits
This video explores how deep-sea fish began to inhabit the ocean's depths and survive in extreme environments, focusing on biochemical constraints like pressure effects and adaptation mechanisms such as TMAO levels.
Exploring Life and Pollution in the Mariana Trench Deep Sea
Today we explore the deepest parts of the ocean and the hadal zone, revealing how life persists and the extent of human contamination in these remote ecosystems. High levels of persistent organic pollutants are found…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
RT @gregeganSF: TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz…
TIL about TMAO, a molecule that protects proteins in fish from the distorting effects of pressure: https://t.co/iCsjVOe3xz Its maximum concentration before reverse osmosis would set in seems to impose a depth limit on fish: https://t.co/X5GfaUFBah H/T: https://t.co/QBfFqiaAiN
Much of the information here relies on the 2014 paper by Yancey et al., 'Marine fish may be biochemically constrained from inhabiting the deepest ocean depths': https://t.co/owC7IQzkBU
@AutumnMandrake Apparently it’s close to the upper limit on pressure that we’d expect to find fish https://t.co/tBHnQNRAfR
@Noemon_ 私のソース元はこちらです https://t.co/beDaoJPOVj
RT @TylerGreenfieId: Even the record of A. galatheae has been doubted since it was caught with an open net. Fishes may be limited to depths…
RT @TylerGreenfieId: Even the record of A. galatheae has been doubted since it was caught with an open net. Fishes may be limited to depths…
Even the record of A. galatheae has been doubted since it was caught with an open net. Fishes may be limited to depths less than 8,200 m based on physiological constraints. The deepest in-situ observation of a fish is 8,145 m. https://t.co/tYGp26MoF9 https://t.co/Iihb9MJoVF
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