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Why fish is not survive in warm water, but survive in cold water

Posted by Manish Saini 5 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 4 months ago

Many, but not all, fish kills in the summer result from low concentrations of dissolved oxygen in the water. Fish, like all other complex life forms, need oxygen to survive. They get theirs in the form of oxygen gas dissolved in the water. That's why it's important to have an aeration device, a bubbler, in your home aquarium.

Warm water holds less dissolved oxygen than cold water, so summer is the time when fish can have a hard time getting enough oxygen. Other organisms use oxygen, too, including the algae that grow in the summer and bacteria that degrade organic matter. During the day, the algae produce oxygen through photosynthesis, but at night, when photosynthesis stops, they and other organisms keep respiring, using up oxygen.

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Posted by Pandey Ji 5 months, 4 weeks ago

CBSE > Class 10 > Science