Rhyacoglanis paranensis pics 2 and 3 don't belong

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bekateen
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Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by bekateen »

Hi Jools,

Photos 2 and 3 for are mis-ID'd. I just posted an actual photo of the species from the original publication. Nothing similar at all. Maybe a type? IDK.

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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by Jools »

I'll do some digging, on the face of it, came from the Parana basin, but that may be wrong. Pretty certain the genus is correct.

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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by Jools »

OK, so I've got a better picture of the fish coming. Then we can see the tail fin properly - the eyes looked too big for Pseudopielodidae for me - but I see now this is not characteristic.

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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by bekateen »

Glad you can get more pics. What stands out to me, even with forced perspective of the face shot, is that snout looks wrong relative to eyes, and from the overhead shot, I'm looking at the small grain of the pectoral spine serrations - much smaller than those of the real R. paranensis.

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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by Jools »

Yeah agreed at a species level, I am trying to check the genus is right (or not).

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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by bekateen »

To me, the head on the mystery fish looks just too wide and flat compared to the other photo, and to that of the other species with photos.

Eric
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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by Jools »

I don't know, but it's about a "light cheek" and the stripe on the caudal connection to the stripe around the caudal peduncle for me.

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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by Jools »

OK, so I have another picture and I can see there is no joined in the dark verticle stripe on the caudal and the one around the caudal peduncle. So, good call on the ID, given where it's from however, this then makes a strong candidate. I've asked @The.Dark.One / Steve for his view as I see from FB he had helpfully queried the ID.

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Re: Rhyacoglanis paranensis pics 2 and 3 don't belong

Post by bekateen »

Mangurus was my guess too.

Cheers, Eric
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