Personally I would yes because the profiles at loaches.com are compiled from many peoples actual experiences and knowledge and so far they have been right on with information pertaining to the eight species of loaches I keep.
There are going to be anomalies in any fish size, somewhere there is going to be one larger or smaller than average. I don't know which book your referencing or anything about the author, but no matter what you read your going to get a general size and please understand I'm not slamming the information in your book just saying from my own experiences the profiles at
www.loaches.com have the most correct information I have found.
Carol
ps in Novemver there is going to be a new Loach book available called
Loaches
Natural History and Aquarium Care
It will have 150 colored pictures.
I can hardly wait
