If you see a fish simply labelled algae eater, this is likely to be the Chinese Algae Eater (gyrinocheilus aymonieri), which is related to the loaches.
If you see a fish simply labelled algae eater, this is likely to be the Chinese Algae Eater (gyrinocheilus aymonieri), which is related to the loaches.
I guess this is technically true, but they are just as closely related to carps and minnows. They're not that closely related to loaches despite their other common name.