Stuff You Should Know Short Stuff: Do Fish Get Thirsty?
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Jun 22, 2022 Curious about whether fish get thirsty? The hosts dive into the intriguing concept of thirst in aquatic animals, exploring how fish regulate their internal balance through osmoregulation. They uncover the fascinating strategies different species use to thrive in both freshwater and saltwater environments. Special focus is given to salmon and their remarkable adaptations as they migrate between these two worlds. The episode is filled with humor, scientific insights, and cultural references, making it a delightful listen for curious minds.
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Fish Hydration
- Fish, like humans, need to stay hydrated.
- They regulate their internal water and salt balance through a process called osmoregulation.
Freshwater Fish
- Freshwater fish don't actively drink water and constantly urinate.
- This helps maintain the right salt balance in their bodies since freshwater dilutes their internal fluids.
Saltwater Fish
- Saltwater fish drink seawater and produce very salty urine.
- Their gills have special cells that pump excess salt back into the water.