How Big Do Oscars Get?

How long does it take an Oscar to grow to full size?

How long does it take Oscar Fish to grow full size? Usually, Oscar fish reaches its full size in around 1 year.

What size tank do I need for 2 Oscars?

For one Oscar Fish, you will require at least a 55-gallon tank and for every new addition of Oscar Fish you will require an extra 20 to 30 gallons. So, for keeping 2 Oscar Fish in a tank you will require at least a 75-gallon tank.

Do Oscars grow to the size of the tank?

Because Oscars typically grow about 10 inches long in captivity, the minimum tank size recommended for a single Oscar is about 55 gallons. Ideally, however, a 75-gallon tank is best for one adult Oscar and, if you plan to keep more than one, you will need a tank at least 100 gallons in capacity.

What is the largest Oscar?

Biggest Oscar fish: Approximately 18 inches in size, Oscar is the world’s biggest fish ever recorded.