Multiple choice general knowledge

What is the thumb rule in fish size and the quantify of water required for the fish

  1. 1 inch 4 litres

  2. 1 inch 3 litres

  3. 1 inch 1 litre

  4. 1 inch 2 litre
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

1 inch 4 litres is the correct answer. This is the general aquarium thumb rule: for every 1 inch of fish (measured from nose to base of tail, excluding finnage), you need 4 litres of water. This ensures adequate swimming space and helps maintain stable water quality by preventing overstocking.

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