Did you know fantastic help is an anagram of Planet Catfish? This forum is for those of you with pictures of your catfish who are looking for help identifying them. There are many here to help and a firm ID is the first step towards keeping your catfish in the best conditions.
Hi Charly,
A rather uncertain try in reversed order:
Species 3 is Pimelodus blochii or a species belonging to the blochii group.
Species 2 & 1 are either Rhamdia or Pimelodella species, but I daren't identify them on species level.
Species 1 looks alot like Pimelodella cristata (Burgess, p. 616, top left picture), but I don't know if this name is still valid, as this book dates from 1989.
Don't worry, there will certainly be more opinions given soon.
The first one is a Rhamdia. Looks similar to R. quelen.
Second one is a Pimelodella closely related to P. cristata.
The third one is a Pimelodus of the blochii group, maybe something like P. albofasciatus.
I can't help anymore with their identities, but as a side note I do believe the second fish is the same one that was available in the hobby last year under the name "blue line Pimelodella". It's a perfect match for the 4 I used to have.