Biology, asked by abhiranjankumar6766, 1 year ago

Which fishes are more resistant to temperature fluctuations?

Answers

Answered by Dhivishvarshan
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Fish provide protein to billions of people and are an especially critical food source in the developing world. Today marine biologists confirmed a key factor that could help them thrive through the coming decades: biodiversity. Communities with more fish species are more productive and more resilient to rising temperatures and temperature swings, according to a new study from the Smithsonian's Tennenbaum Marine Observatories Network and other international institutions.
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Answered by priyanshuranjan1204
0
Firstly, freshwater fishes are rarely threatened by freezing to death because of one of water’s most unique properties. Like most substances, water’s density increases as temperatures drop. However, it’s most dense just above its freezing point; density increases between 4° and 0°, causing ice to float. Were it not for this property, lakes and rivers would freeze from the bottom-up and fish at more northern latitudes would be seasonally extirpated

But not all fishes are not equally thermally adapted, and many cannot tolerate very cold or very warm temperatures. Thermal tolerance is an important controller of fish distributions, but within their range, fishes have adapted several ways to deal with cold temperatures

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