yep and in the uk -none of those are hypostomus!BlackShark11k;4039644; said:hypostomus is the genus name of some plecos, namely hypostomus plecostomus, where the name "pleco" comes along. however, their are several plecos on the market sold as "common plecos" that could be a variety of different species, and could only be distinguished externally by carefully examining their underside patterns.

and different body shape and pattern and grow to different sizes and hypo is much more expensive.blackghostuk;4039917; said:The original "pleco" was Hypostomus plecostomus - hence the name "pleco".
Now nearly all 'common plecos' are Pterygoplichthys - usually P. pardalis.
Pterygoplichthys have 14-15 soft dorsal rays. Hypostomus have 7.