1 inch of fish needs at least 1 gallon of water. Every tank needs a cycled filter running permanently. Every tank needs at least 50% of its water changed every week. They are the Basic Minimal requirements. Anything less and I can guarantee that your fish will be constantly getting sick.
The rule of thumb is usually 1 inch of fish per gallon. You could have 1 10 inch fish or 10 1 inch fish
The rule to follow for freshwater fish is 1 inch per gallon. For goldfish is it one fish per 10 gallons, and for bettas it is 1 fish per 1 gallon. Fish bowls really are not the best home for any fish. Fish need to be kept in tanks with heaters and fliters.
Assuming you have proper filtration, you should abide by the one inch of fish per five gallons of water. This would mean a total of 13 total inches of fish.
the rule of thumb is usually one inch of fish per gallon
Depends on the size of the fish, but no more than a total of 17 inches of fish. 1 inch of fish per gallon of water.
71 liters is almost 19 gallons and the rule with tropical fish is one inch of fish per a gallon of water at there adult size so it would be different for every fish you got like if the fish adult size is 2 inches that you could have about 10 of that fish in your tank.
Well, the general rule for keeping fish is that you should have at least one gallon of water per inch of fish. So a 5" fish will need at least a 5 gallon tank.
Probably about 8 one inch fish, 4 two inch fish, and so on. The general rule is one inch of fish per gallon. If your fish are small, you could have 16 half-inch fish. Sometimes it's okay to go over that limit with smaller fish, but I wouldn't put more than 11 or 12 one inch fish in it.
The general rule for stocking a fish tank is 1 inch of fish per gallon of aquarium water.
If you are going with freshwater tropical, it you could add 55 inches of fish. Goldfish, on the other hand need 2-3 gallons per inch, about 22 inches of goldfish.
The one inch of fish per gallon of water is an old guideline. With newer filters, and other equipment, plus more frequent water changes your tank can support more fish.
1 inch of body length per gallon of water.