Will I be over Stocked?

[catfishacr]

Tank is a 300 gallon. 96"x30"x25"
Current Stock list:
1- Bolt Catfish
1- Angelicus Synodontis
1- Four line pim catfish
4- Severums
6- Silver dollars (Tiger, Spotted, and common)
2- Geo abalios

Fish I have in Growout tank that will go into 300 soon:
1- Lima Shovelnose
3- Red Head Geos

I wan to add one more larger fish such as a Fire Eel, flagtail, other catfish, etc..

Currerent water P's: 0-0-20
Filtration: 2 FX6's, 2 Api filstar xpxl, and 2 sponge filters. Also have some pothos plant roots in the tank that help keep nitrates lower.

Can I add that one more fish?
Thanks!

 

[Sarcosuchus]

Yes you can add a Tyrannosaurus Rex.

 

[Fish Tank Travis]

My opinion is that you're overstocked already, but I'll admit that I do prefer lighter stocked tanks so I would wait to hear what others have to say.