David Righton
speaker
154 appearances
1 recordings
1 series
first heard Nov 2025
last heard 26 Nov
David Righton’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Nov 2025 with 1.
Appearances
Well, it's a long migration.
It's 5,000 kilometres.
What I would say is the spawning eel is the Higgs boson of biology.
Wow.
Because it's an enigmatic particle that has actually proved elusive and impossible to find in the history of those that have asked questions about its existence.
So we still have not observed a spawning eel in the wild,
No eel egg has ever been found in the wild, in the ocean, I should say.
And it's one of those things that still remains mystery.
And I think that mystery that we're working on today is the same when it connects us back to the scientists of thousands and hundreds of years ago.
I think I'll go for giant squid.
Oh, yeah.
Another enigmatic and mysterious species.
Eels do live, when they're in their migratory phase, they do live really, really deep.
So they will spend their days...
at about 1,000 metres depth, something like that.
And at night, they will rise and spend their time in shallower water, maybe about 500 or 400 metres, and they'll actually time their ascents into shallower water with dusk, and they will then dive again at dawn.
So even though they're at 1,000 metres or 500 metres, they can still detect light, which is about the limit of...
of light-based vision for fish in general.
So it's another amazing aspect of their biology that they are one of the best detectors of light.
But if you think about the pressure changes that they experience and the temperature changes they experience on a daily basis, they're moving up and down the water column every day.
Showing 121–140 of 154 · page 7 of 8
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