Why don’t saltwater fish absorb the salinity of the oceans and taste salty?

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Just curious as to why fish and other sea creatures that live in salt water are not overly salty when ingested? I would think they would absorb most of the salt they live and breathe in.

Edit: added the word overly

In: Biology

13 Answers

Anonymous 0 Comments

Countercurrent flow. It’s been a while since I learned it but it’s a similar way to how the Nephrons in the kidney can concentrate solutes.

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