Create your Monster fish

[Tom500]

Downsize
6" leo rays
6" asian aro (and US legal..... )
6" RTC
6" TSN
12" dolphin
12" manitee
12" octopus

UPSIZE
2' kuhli loaches
2' flagtail
1' blue rams (with at least a 6 month life expectency)
1' apistogramma
1' bristlenose pleco (don't want to read it's mind though, it would ask for my beer)

Ive seen a 20"+ flag tail and it was incredible!!!! They do exist though so you dont have to dream about a 2ft flagtail if your lucky

 

[Tom500]

imagine a school of 1ft exodons that would be amazing and jk47 im pre sure blue ring octopus' dont get over 12"

 

[Plec123]

oh and a mola that only got to 6" long would be kickass...

 

[Thalan]

1-2' Alligator Gar!

 

[Plec123]

12" platy lol

 

[Hesh69]

one foot cownose rays

 

[Geoey]

a 2' bumble bee goby

 

[Bottomfeeder]

a 2' bumble bee goby

You should look into MArbled Gobies, Water Cows, and Jade Gobies. The Marbled is closest in pattern to BB Gobies, but all of them exhibit similar (but up-scaled) behavior

 

[Death Pony]

I would so want a payara that can live ina 10 gallon for life!

 

[Death Pony]

imagine a school of 1ft exodons that would be amazing and jk47 im pre sure blue ring octopus' dont get over 12"

I actually know a place that was selling those. What's even crazier is that someone actually bought it!!!