The Squaliforma gomesi lives in the demersal, freshwater environment.
Hypostomus gomesi turns into Squaliforma gomesi in Fishbase, and it comes from eastern Brazil (Jaguaribe River). L231 is indeed a Hypostomus species in Aqualog, and from Peru. The Cat-eLog is not listing L231 as a common name... Aqualog also says that L231=L266. More