‘Oh-so-salty fish’

I was wondering how significantly the taste of fish changes from water to water.
SubhanAllaah ❤️!
How mesmerising!

And the two seas (kinds of water) are not alike: this is palatable, sweet and pleasant to drink, and that is salty and bitter. And from them both, you eat fresh tender meat (fish) [Al-Qur’an: 35:12]

But I was wondering why fishes can’t simply make the transit from this water to that water 🤔.
After all, there are no gates in the water beneath.
Neither there are visa control nor passport stamping.
Then why not?

‘Wish I could have been a fish
So that I could swim…
under the water here and there 🐠
Wherever I wish…
to chill in the water fresh 🐬
Whenever I wish…
to dip in the salty one 🐟
With the mighty splash…
Wish I could have been a Fish 🐳
Lala Lala Laa Laa Lalaa…
Wish I could have been a Fish 🐠
Lala Lala Laa Laa Lalaa…’

(HEY! That was possible only if you were a euryhaline fish.)

“Oh 😐. Yes.”
Euryhaline fish is the species of fishes that can live in both freshwater and saltwater. However, it is not the general case.
Most fish species can only survive in one. I was wondering why?

Then I remembered the raisin and salt solution experiment.
Do you remember that?

When dry raisins are placed in water, they swell up. If the swollen raisins are placed in a concentrated salt solution, they will shrink due to osmosis.
OH, I SEE 😎!
Now I can corelate…

Saltwater fish can’t survive in freshwater because their bodies are highly concentrated of salt solution (too much for freshwater). The water would flow into their body until all their cells accumulate so much water that they bloat and die eventually. On the other hand, freshwater fish can’t survive in the ocean or saltwater because the seawater is too salty for them. The water inside their bodies would flow out their cells, and they will die of dehydration.

Since there is vast difference in salinity between saltwater (3.5%) and freshwater (0.1%), Allaah SWT has placed different salt concentrations in their tissues as well for the osmoregulation.

SubhanAllaah ❤️!
How Amazing!

Now I can guess why the taste of fish changes from water to water.

The vastly different salinity affects the way fish regulate water and salts in their body leading to their noticeable difference when cooked. As such, fish from oceans tend to be salty in taste than those found in freshwater. This is despite the fact that they release most of the salt that they ingest or absorb. Those who like salty fish can, therefore, enjoy saltwater fish more with more “fishy” taste. And, those (like me) who don’t like the strong taste can enjoy freshwater fish with less briny flavor.

SubhanAllaah ❤️!
Isn’t it amazing?

Allaah SWT didn’t restrict the existence of life in only one type of water.

At the same time, He restricted certain type of fishes to a certain type of water to provide us two distinct tastes, strong and mild, for our preference.

The Almighty Allaah placed an unbelievable awesome regulatory mechanism of ‘osmosis’ in living cells and He taught us that knowledge. From the preservation of fruit and meat to kidney dialysis, from metallurgy to RO filters in our homes ‘osmosis’ is everywhere.

And, there is something even more awesome.

SubhanAllaah ❤️!
The Mighty Lord let a specie ‘euryhaline fishes’ survive in both types of water at the same time where all barriers and principles of salinity do fail. Perhaps, to show us that He has power over everything.

Amazing!

But, you know what impresses me the most…
Why can’t fishes simply trespass 🤔?

The water beneath has no gates. Then why it is that when freshwater streams meet oceans the two types of waters do not mix together.

AND IT IS HE WHO HAS LET FREE THE TWO KINDS OF WATER, THIS IS PALATABLE AND SWEET, AND THAT IS SALTY AND BITTER; AND HE HAS SET A BARRIER AND A COMPLETE PARTITION BETWEEN THEM. [AL-QUR’AN; 25:53].

SubhanAllaah ❤️

What can I say more?

Sisterly Yours
The Might of Pen

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