It seems they have just appeared on the Predatory Fins list some months ago? And under the name cited in the OP.

I think your rift lake Synodontis could actually be a hybrid. https://www.planetcatfish.com/shanesworld/shanesworld.php?article_id=269 They look a lot like the third photo in this article and don't match any of the Tanganyikan species imo. Thank you for this. You are probably correct. I couldn't ID ...

Thank you Jools. I could give it a try. Is there a min and max size for the article? I don't have firsthand experience keeping Pinirampus, nor do I know anyone who has. The blue jumper catfish aka Exallodontus I kept.

Thank you so much Jools. I've stared at these photos vs Pinirampus and vs Exallodontus and I agree with you: 1. Exallodontus adipose is a tiny bit taller and asymmetric and almost has a semi-sharp point closer to the dorsal while Pinirampus' adipose looks symmetric, low, without any defined points ...

So Mike from AquaImports finally got another batch in: "Hi Viktor, We tried to bring in another batch of what was listed as "True Flat Whisker" and received the fish in the photos attached. Unfortunately, I haven't had much time to get you an accurate ID. Let me know if these are of any interest to ...

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Viktor Jarikov wrote: ↑09 Sep 2024, 20:12 Our UK peer Rpul thinks he might have the P.p. If you cared to look at his pics, what would you say for the ID?

https://www.monsterfishkeepers.com/foru ... ut.761078/

I will post his pics here then. The fish is about 6 inches now.