this post was submitted on 18 Nov 2024
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One of the bigger reasons has to do with the square cube law - as the size of something increases, surface area increases by a factor of 2 but mass increases by a factor of 3, so little fishes have a surface area-to-mass ratio that is quite a bit higher than a larger fish, and they're more susceptible to abrupt changes in temperature.
Kinda like how an ice cube will melt a lot faster than a big slab of ice, the core temperature of some small fish like a goldfish is gonna change more rapidly than the core temperature of a big fish like a trout so they tend to be a lot more finnicky in regard to significant and instantaneous changes to temperature and stuff. A larger fish might shrug off a significant change because it affects them more slowly, but that might be a totally wild an overwhelming experience for a little fish to go through
The math actually works, and is quite simple. Just assume the fish is a sphere
in a frictionless vacuum
As opposed to the high friction vacuums we are used to.
IMMA YEET THEM SO FAR
And in a similar but completely different way, the fish are being added to massive bodies of water. Home aquariums are minute in comparison, so they can't balance out chemical swings as easily and are much more prone to higher levels of nitrites and other toxic chemicals. The larger the body of water, the more stable the water quality.
So what I hear you saying is I need a bigger aquarium...
You always need a bigger aquarium
You could probably air drop one goldfish into a 100 gallon tank and it'd be fine (assuming it survived the fall).
And a bigger fish
something i love about Lemmy is that on the drop of a hat someone is willing to calculate the "surface area to fish ratio"
Problem is, you almost never know if that's actually true or complete bullshit.
It seems plausible, but killing virgins for rain also seemed plausible back then in the 70s.
"But it has rained, hasn't it?" Smug look
An example of why arguing with idiots is impossible to win.
The 70s was a wild time.