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Opsodoras sp?

Posted: 09 May 2005, 23:18
by Dave Rinaldo
I'm digging through tanks trying to decide what to take to our fish club show and always wondered which sp. this one might be.
Image

Image

Posted: 09 May 2005, 23:36
by bronzefry
Whoooooaaaaa!!!!!! :shock: 8)
Syno something!??!

Posted: 10 May 2005, 08:24
by natefrog
That is a very cool cat. It looks like a strange syno x Hancock's doradid, although I know cross family hybrids are virtually unknown and it is likley a syno. I would be very pleased to see one of these in my local LFS. How large is it and how did you aquire it?

Posted: 10 May 2005, 09:23
by Mike_Noren
Cool fish yes, but Synodontis? What makes you guys say that? To me it looks like the fish occasionally sold as "Opsodoras stubeli" (=Opsodoras stuebelii?).

Posted: 10 May 2005, 12:03
by Jools
It's a doradid clearly and although it shares the same colouration and similar barbles to the fish commonly sold as Opsodoras stubeli (I acknowledge I need to redo a number of IDs within this family) the head shap looks very different to me. Maybe it is the angle of the photo; or maybe not.

Dave, we need more pictures!

Jools

Posted: 10 May 2005, 12:06
by Silurus
The coloration is unlike any of the "Opsodoras stubeli" seen on the internet.

Posted: 10 May 2005, 12:46
by Jools
Sorry, that was a confusing post from me.

What I mean is this fish to which it has _similar_ colouration...

Image

I'm not sure from Dave's pics if it is this or not. The head shape looks different. Looking again, the caudal fin colouration does look different.

Jools

Posted: 10 May 2005, 14:57
by Marc van Arc
Mike_Noren wrote:Cool fish yes, but Synodontis? What makes you guys say that?
The feathered barbels of course. In this case a very understandable mistake. It is indeed Opsodoras; exact species unknown to me. This is the fish I got when I ordered Trachydoras paraguayensis (see previous post).
Coming up: Doras eigenmanni. So what will I get next Thursday??? I'll keep you posted.

Posted: 10 May 2005, 15:12
by Caol_ila
It is indeed Opsodoras
I received an email from Mark Sabaj some years back about my pictured fish and he definately outruled Opsodoras stubeli and Doras eigenmanni...seems it is still an undescribed Genus+species. He thought it to be a kind of "Petalodoras" sp. which is not valid (if i remember right).

Posted: 11 May 2005, 00:18
by bronzefry
I said Syno because of the sketches, like this one:
http://www.planetcatfish.com/catelog/mo ... 1501_1.php

Just a thought. :oops:

Posted: 11 May 2005, 09:24
by sidguppy
With Synodontis it's the lower-jaw (small) barbelks that are whiskered, with some doradids it's the opposite and the big barbels are whiskered.

then there's this row of scutes on the side wich no Synodontis has.

apart from those marks, the similarities are striking; perhaps there's a common ancestor back when Africa and South America where linked?

Posted: 11 May 2005, 13:43
by bronzefry
I think Jools has the picture above posting in his avatar sequence. I love both specimens so much! :D