When fish tank pH levels become too high or low fish can become stressed and even die What is the Op...........

Agriculture and Rural Development (Phase-I/II) Fisheries

When fish tank pH levels become too high or low, fish can become stressed and even die. What is the Optimum pH level for most freshwater fish?

This questions was previously asked in

Nabard grade-A,Previous year Memory Based Paper (2022)

2.5 to 4.5

4.5 to 6.5

6.5 to 8

8 to 10

10 to 14

- The pH level is crucial for the health of freshwater fish. It affects their biological processes and the overall tank environment.

- Option 1, 2.5 to 4.5: This range is too acidic. Most freshwater fish cannot survive in such low pH levels.

- Option 2, 4.5 to 6.5: This range is also lower than ideal for most freshwater species, which prefer neutral zones.

- Option 3, 6.5 to 8: Optimum range for most freshwater fish. They thrive in waters that are slightly acidic to slightly alkaline.

- Option 4, 8 to 10: This range is generally too alkaline for most freshwater fish, though some specific species can survive.

- Option 5, 10 to 14: Extremely alkaline and not suitable for freshwater habitats.

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