Catfishes from Iquitos/Nauta Peru

[SSmith]

Folks,
Back in October we spent some time collecting in the Nauta/Iquitos area, and came across a number of catfishes that I am having some trouble identifying. If anyone cares to comment on our ID, or add where we are missing ID's, I would very much appreciate it! As not to swamp you, I will only post a few pics. I believe we caught somewhere around 120ish species.

Many thanks in advance!

unknown

unknown

Agamyxis pectinifrons

Ancistris sp.

Auchenipterides sp.

[Silurus]

First one:

Pimelodus blochii

Second one:

Centromochlus heckelii

[backstreetgambler]

Don't hold back man. Swamp away. I for one love these threads

[NCE12940]

Don't hold back man. Swamp away. I for one love these threads

A second to that!

[SSmith]

First one:

Pimelodus blochii

Second one:

Centromochlus heckelii

Thanks for that, I discounted P. blochii due to the lack of pigmentation, but I see on your link that this is extremely variable.

backstreetgambler wrote:
Don't hold back man. Swamp away. I for one love these threads

Famous last words! I think the post limit is 5, but I'll throw a couple more on here!
I appreciate the help.

B. raninus

Auchenipterus sp

Anadoras grypus

Amblydoras aff affinis

I know this one is common, just haven't got around to looking it up.

[SSmith]

Corydoras sp.

Corydoras sp.

C. aff. ambiacus

Brochis splendens

Brochis multiradiatus

[Silurus]

I believe this is Auchenipterus brachyurus.

Isn't this

Sorubim lima

?

[SSmith]

I believe this is Auchenipterus brachyurus.

Isn't this

Sorubim lima

?

Hmm, I like Auchenipterus brachyurus, thank you! There doesn't seem to be much out there about this genus, may I ask how you came to that conclusion?
Yes, S. lima is it, I knew it was a common fish, I just couldn't for the life of me remember which one.

Thanks again for your help.

[panaque]

Don't hold back man. Swamp away. I for one love these threads

A second to that!

And another one....

[smitty]

Sorry I can not help in identifying any of them that have not been identified so far. But thanks for the post and thanks to those that are helping give those of us that don't know an education.

[Silurus]

I think this is Tympanopleura cryptica

...and I thought this is

Corydoras reticulatus

.

[SSmith]

I think this is Tympanopleura cryptica

...and I thought this is

Corydoras reticulatus

.

Thanks again!

[naturalart]

SSmith, is there at least some faint patterning on the first pimelodid? Because although I like Silurius's id., it sure looks like it could be something like P. pohli or P. fur. At least some patterning would allay some of my equivocation.

[Silurus]

Both P. fur and P. pohli are only known much further south of the Amazon River drainage (in the Rio São Francisco drainage).

[naturalart]

Thanks Silurus, Im aware. And, as Im sure you know, stranger things have happened. Just hoping SSmith could maybe post another pic showing some patterning. I've never seen a pure 'platinum' P. blochii before (which I would not say is out of the realm of possibility either).

[SSmith]

Thanks Silurus, Im aware. And, as Im sure you know, stranger things have happened. Just hoping SSmith could maybe post another pic showing some patterning. I've never seen a pure 'platinum' P. blochii before (which I would not say is out of the realm of possibility either).

I will have to dig through many, many, photos, but I will check!

Edit:
I actually got lucky and found the original raw files pretty quick. There appears to be absolutely no pigmentation outside of the silvery sheen. I didn't upload any more pics because they really look exactly same as the one I uploaded.

[naturalart]

Thanks SSmith.