Catfish suggestions and Questions

[dragonfish]

Lima shovelnose is the cat for you, they can get 20-22 but more likely 18 - anyway whats an extra couple of inches.

Will eat whatever fits in their mouth, which is quite a bit.

 

[Johny]

get a rtc...there cool!

 

[dragonfish]

get a rtc...there cool!

Pretty sure that exceeds his size requirement.

 

[GaViN]

i would go with a "meg irwini" max out at 22in but is very slow growing and it's a great clean up fish very small mouth!

here is mine!

 

[zenyfish]

Both get over the 15-18 inch range.

Not commons, there's no reliable documentation of them getting over 18":
http://www.planetcatfish.com/catelog/species.php?species_id=88

i would go with a "meg irwini" max out at 22in but is very slow growing and it's a great clean up fish very small mouth!

Synonym for Megalodoras uranoscopus. Standard length is 28", a little big but still a good choice.
http://www.planetcatfish.com/catelog/species.php?species_id=143
A smaller doradidae is the Striped Raphael.
http://www.planetcatfish.com/catelog/species.php?species_id=166
There are others that meet your size requirement more closely, but you won't find them in a fish store.

 

[LobstersGoPeenchPeench]

get a bunch of bumble BEE CATS!!!! yes they so cool i love mine definatly a wicked lookin fish

 

[clgkag]

Thanks for all the ideas guys. I already have a common pleco about 16-17". I might go with a sun cat, thought about that in the past. Not overly attached to the cons, but they do provide free feeders pretty regular.