Hi, Thanks a lot for your help. At first it was in a 80l (seller said to me that's was ok x( ) then in a 450l. Since two year he is in a more little (280l) bac cause of change of house, but next month he return in a bac longer: 1.70m . About diet, I give food 3 / days, zucchini / cucumber / spinach ...

I've got it very young, size around 3 cm, now it's the big boss of the aquarium
Here a pic with a ventral view: Many thanks to you for your help

Hello,

I maintain a pleco since 24 years, but I never been sure about his exact identity . It'a a male, size around 38 cm. Here photos:
Thanks a lot for any help