Blankmanrl;4412524; said:I maybe wrong but I would think a Jag would do good in a 90. http://www.aquariacentral.com/fishinfo/fresh/jaguar.htm This website said 60 but I would think that is to small. I also just read the same thing terd ferguson just said. If you want a nice cichlid in that 90 try a Red devil or Midas I think you would like them
The profile in that link is mostly jibber jabber. Do not use that profile as accurate info on jags. A 90g will be just wide enough for a full grown male, but not nearly long enough for proper swimming. 6'x18" is the minimum footprint I'd want for a proper home for a male jag, and 6'x2' would be better. A full grown adult male jag has the potential to reach over 15" with proper care.