Can you help me ID this hoplo?

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bekateen
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Can you help me ID this hoplo?

Post by bekateen »

Hi all,

These hoplos were wild-caught in the Rio Nanay near Iquitos by a friend of mine. They were mixed together with a group of other hoplos, including Dianema longibarbis and a few very small Megalechis.

The largest is about 5-6cm SL. The smallest about 2.5cm SL. I believe these are Callichthys callichthys or Lepthoplosternum, but I can't decide which. And if Lepthoplosternum, I'm unsure of the species ID.

According to Specieslink.net, Callichthys callichthys is everywhere (practically), so that's a definite option. Both Lepthoplosternum altamazonicum and Lepthoplosternum beni are found in the same area. If they are Lepthoplosternum, I was thinking they are L. altamazonicum, but the caudal peduncle seems to be too narrow (vertically) to be either of these species.
Can you help?

Thanks in advance, Eric
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Lepthoplosternum altamazonicum_4.png
Lepthoplosternum altamazonicum_5.png
Lepthoplosternum altamazonicum_6.png
Lepthoplosternum altamazonicum_2.png
Lepthoplosternum altamazonicum_3.png
Lepthoplosternum altamazonicum_1.png
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bekateen
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Re: Can you help me ID this hoplo?

Post by bekateen »

Follow up... the more I look at the pics, the more I think these are juvenile Callichthys callichthys. Please prove me wrong. :)

Cheers, Eric
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Re: Can you help me ID this hoplo?

Post by Jools »

I think you are not wrong...

Jools
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bekateen
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Re: Can you help me ID this hoplo?

Post by bekateen »

Jools wrote: Tue Nov 29, 2022 9:52 am I think you are not wrong...

Jools
Dang. I wanted to be wrong. I didn't want another 16cm species. X_X

Thanks Jools.

Cheers Eric
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