Biggest white saum riv you guys have seen.

[PhelansFish]

I might be purchasing a 7 inch white saum riv. I know the grow slow and was wondering what the biggest riv you guys have seen? About what is full grown size in inches?
Thanks
Sam

 

[Frank Castle]

10-11", but 7-9" is fairly common. Most males will go at least 8" unless they are stunted or runts