Not more than 6, discus need some room to move around but are middle dwellers, meaning the tend to stay and swim in the middle of the tank, no near the bottom or top.
Depends which tank.
You can fit one betta in a 1 gallon tank, but nothing else.
4,000
one
one
Two gallons
You can fit a 5 gallon fish tank on a school going desk.
97 Camry has 18.5 gallon tank.
The basic rule of thumb is "not more than an inch of fish to a gallon of water."
227.125 Liters.
There are 3.78541 liters in one US gallon. 3.78541 x 300 = 1,135.623 liters. So, 1,135.623 liters of liquid will fit in a 300 US gallon tank. However, if you're referring to imperial gallons, there are 4.54609 liters in an imperial gallon. 4.54609 x 300 = 1363.827 liters. So, 1,363.827 liters can fit in a 300 imperial gallon tank.
This is simply funny if it really means a fish tank.About 1025.5 for a standard 100 gallon fish tank if the beers are 12 fl oz.Remember fish tank gallon sizes are measured by outside dimensions.