How many gallons should the tank be?

[jbeatts]

I’m starting a new tank and I’ve decided what fish I want and how many, but I’m really unsure of how big the tank needs to be. What would be the smallest size tank I could put these fish in without overcrowding?

What I want to add:
2 Clownfish
6 Reef Chromis
3 Red Stop Light Cardinals
1 Royal Gramma Basslet
1 Tuxedo Damselfish
1 Yellow Prawn Goby
Small crabs & snails (amount to be determined by size of the tank)

Note: I also plan to put coral in the tank.

 

[Sniperhank]

This would be a pretty sizable tank. Without the 6 Chromis, you could work in the area of the 4 ft long tanks with 55 being the smallest.

 

[jbeatts]

With the 6 Chromis, I would be looking at 100 gallons or more? I already have a 55-gallon tank. I was expecting to start another one that was larger than 55.

 

[Sniperhank]

With any large grouping of schooling fish you will run into the need for these large tanks. You might be able to get away with a 90 gallon.