So,in terms of a 10 gallon tank,you would simply divide 10 gallons by 1.75 inches,leading to 5.7,which brings us to 5-6fish in a 10 gallon tank. Now,this is where the size estimate comes in handy. If your fish are smaller than average,you might be able to squeeze in a seventh.
People also ask
Is a 10 gallon tank big enough for a fish tank?
A 10-gallon tank does not possess enough space to satisfy the needs of most species. Instead, you should consider smaller fish like Danios, Tetras, and Guppies. Recommended 10 gallon Fish Tank: Marina 10 Gallon Aquarium Kit (link to amazon)
How many fish in a gallon?
Basically, it equates to approximately 1 inch of fish per gallon. But it not always that easy, you can see my thoughts on that here to see what I really think.
How many Molly fish in a 10 gallon tank?
The live-bearing Common Molly requires hard water, but otherwise is undemanding and easy to care for. You can keep these fish solo or in groups up to 4 in a 10-gallon, but avoid the bigger Sailfin morph, which needs more space.
What is the best fish for a 5 gallon tank?
Zebra Danios are among the most common species for small tanks and they can easily thrive in aquariums as small as 5 gallons. Nevertheless, these fish are extremely active and I would suggest giving them more space.