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Can any one help me with identification of this Panaque?
Many thanks in advance

Pelle

But for the "window" in the caudal region, I'd say L27, . The lines look more golden/brown than L190.

Thanks a lot!

Pelle

I'd say
Can you get additional pic, like a mouth shot?

My personal feeling on this subject is that all "big striped brown/black Panaque" are the same species [please note that I am a layman in the subject - scientists may well prove me wrong in the future]. However, they have a very wide distribution, and populations from one place look different from the ones from other places.

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Mats

Thanks for all the answers. I really appreciate it!

Here comes another photo from a different angle on the same "cat"
I don't have a mouth photo... Sorry..

Pelle

We have nine species to reasonably choose from. Of these, none have the 'window' in the caudal region, except maybe , which looks too dark, has too few stripes and has reddish colouration on the fins. You might have a new variation on L027 making ten of these. That's what the same species in different rivers for a long time does for you...

Most juveniles of the various Royals (L190, L191, L027) start out with a window in the tail. As they grow they eventually lose this window. I personally don't think its a good method to use to distiguish the various Royals. Nor, for that matter is an identification based soley on the coloration of the stipes. The color of the stripes depends a lot upon the lighting conditions it was taken under & also to an extent the environment of the fish.