You should just accept the peer pressure and pressure your parents with that child manipulation technique we all had as children or young adults and get the 75... You can place the fish in a 40.. But when they grew you would feel bad about the space
Trust me, I have an oscar that lived in a forty til he was 9"!!!
Now that i have a one fifty i wish i would have had it befoer he was 5"
Go with the 75
Especially with the GT or JD.. I do not know anything about Pikes
They are nice though
Especially with the GT or JD.. I do not know anything about Pikes