Invisible Barrier in the Oceans Prevents Some Animals From Crossing
Discovering Invisible Barriers: The Ocean's Mesopelagic Boundary Hypothesis
Uncover the shocking reality that the deep ocean contains mysterious, invisible walls preventing species migration, even in seemingly continuous environments. Learn how a recent discovery involving a specific jellyfish is forcing scientists to rethink deep-sea biogeography.
Short Summary
- Introduce the concept of faunal boundaries using the famous Wallace Line as historical context.
- Detail the accidental discovery of a deep-ocean barrier limiting the spread of two morphs of Botrynema brucei.
- Explore multiple hypotheses—predation, currents, and competition—that might explain this previously unknown oceanic dividing line.
Anton explores faunal boundaries, contrasting established terrestrial examples like the Wallace Line with a recent deep-sea finding concerning the distribution of two distinct morphs of the jellyfish Botrynema brucei. This new data champions the mesopelagic barrier hypothesis, highlighting how little we understand about life in the deep ocean.
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Top Comments (10)
Because that's peanut butter fish's territory
Sometimes I feel like salinity it's like air quality for fish so I can imagine swimming along peacefully then not liking the taste of the water so I go another direction... 😂
Anton, you are one of the reasons why internet is a good thing
Clearly the "out of bound" limit. They will despawn if crossed.
Jellyfish: I ain't crossing that line Some weird, hairless monkees: I wanna go to the Moon
Even the jellyfish know not to mess with the Old Ones
I wanna be like Anton when I grow up
I thought jellyfish just went wherever the current took them. The fact that they’re actually “going somewhere” is more impressive to me than anything. 😂
All the spawn points for the fish were set up at the start and were never patched after the continents drifted, very simple explanation.
I once swam and dived on the west coast of Korsika/Corse. There was a barrier where the cold fresh water from a mountain river met the warm salty Mediterranean. It was interesting to watch fish from both sides keeping carefully away from the border. So salinity and temperature together with streaming velocity differences may well establish relatively stable " borders". Interesting!
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Top Comments (10)
Because that's peanut butter fish's territory
Sometimes I feel like salinity it's like air quality for fish so I can imagine swimming along peacefully then not liking the taste of the water so I go another direction... 😂
Anton, you are one of the reasons why internet is a good thing
Clearly the "out of bound" limit. They will despawn if crossed.
Jellyfish: I ain't crossing that line Some weird, hairless monkees: I wanna go to the Moon
Even the jellyfish know not to mess with the Old Ones
I wanna be like Anton when I grow up
I thought jellyfish just went wherever the current took them. The fact that they’re actually “going somewhere” is more impressive to me than anything. 😂
All the spawn points for the fish were set up at the start and were never patched after the continents drifted, very simple explanation.
I once swam and dived on the west coast of Korsika/Corse. There was a barrier where the cold fresh water from a mountain river met the warm salty Mediterranean. It was interesting to watch fish from both sides keeping carefully away from the border. So salinity and temperature together with streaming velocity differences may well establish relatively stable " borders". Interesting!