240 gallon

[AquatiCreations]

Do some reading here, first read on your current inhabitants requirements, then look for fish that have similar requirements.

http://www.liveaquaria.com/product/aquarium-fish-supplies.cfm?c=830

 

[kimlynn]

it says ghost knifes grow up to 4'to 5'

 

[AquatiCreations]

it says ghost knifes grow up to 4'to 5'

Black Ghost Knifefish (Apteronotus albifrons) QUICK STATS Minimum Tank Size: 50 gallons Care Level: Moderate Temperament: Semi-aggressive Water Conditions: 73-80° F, KH 0-10, pH 6.5-7.0 Max. Size: 1' 6" Color Form: Black Diet: Carnivore Origin: Thailand Family: Apteronotidae


It grows to be One foot, and 6 inches.

 

[kimlynn]

so no good to get then

 

[AquatiCreations]

Also The temperament is a very important factor , not just it's size. You will find that your tetras are a peaceful fish, you don't want to mix them with aggressive fish.

 

[kimlynn]

I think i will just stay with tertas then.. what other plecos can i add?