yhbae01;3738025; said:
Hmm currently they are marked as 12 inch species. Hence I naturally expected a tank with at least 18inch depth. So these guys don't grow this large?
12", while rare, isn't unheard of. I have seen even 15" specimens.
But, with polypterus species, unlike most fish they have very flexible bodies which allows them to maneuver quite easily through most spaces. I have a 9-10" sen in my 55g right now, along with three other 6-8" sens, and I must say that even if they grew to a foot, they would not be too big for the tank.
My case is a little extreme with that many polys, but as I said, if it were just one or two, I wouldn't give it a second thought.
Could you please add
Polypterus bichir lapradei to the list?