what's the difference between acestrorhynchus altus and a. falcatus?

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Experiment397

Redtail Catfish
MFK Member
Feb 26, 2010
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Probably the Poly section
ok so i decided to get a red tail cuda:headbang2, and found out that there are 2 different red tails:irked:. so how do i tell the difference? i heard something about the altus having a black spot behind the gill plate:(. so how do i tell the difference? thnx
 
lol you answered your own question. You can see A. altus at Tha Aquarium in sandy if you want to see one in person. They have two in the Tanganyikan display tank.
 
The A. altus there aren't for sale I don't think if they were they would probably be in one of my tanks. The picture of the one on that website is either A. altus or A. pantaneiro but most likely A. altus.
 
A. pantaneiro in the picture.

They are on wholesale stocklists here in Europe as well atm!
 
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