Is this Corydoras cf delphax? ambiacus?

Jorge · Post by **Jorge** » 10 Jan 2006, 15:20

Is this Corydoras cf delphax? if not which one? Corydoras ambiacus? I have no idea about were was collected...

xsu-xsu · Post by **xsu-xsu** » 10 Jan 2006, 15:52

My best guess would either be corydoras ambiacus or corydoras agassizii.

chef · Post by **chef** » 10 Jan 2006, 21:49

it's a young delphax

Jorge · Post by **Jorge** » 11 Jan 2006, 14:54

agassizii 1 - delphax 1

any other opinion? Ian?

xsu-xsu · Post by **xsu-xsu** » 11 Jan 2006, 15:06

The more I look at this one the more unsure I'm becoming!!

Maybe you should repost this in the What's my Catfish? section, to get more opinions!

housewren · Post by **housewren** » 11 Jan 2006, 15:21

What do you look for to distinguish among C. delphax, C. ambiacus, and C. agassizii?

Cheri

Jorge · Post by **Jorge** » 11 Jan 2006, 15:31

xsu-xsu wrote: Maybe you should repost this in the What's my Catfish? section, to get more opinions!

OK, I did it:

http://www.planetcatfish.com/forum/view ... hp?p=80548

thanks

xsu-xsu · Post by **xsu-xsu** » 11 Jan 2006, 15:34

Well, fullt adult delphax generally lose their spots and are quite easy to distinguish.
Also, male delphax have black on their first soft dorsal ray which is usually elongated further than the main dorsal spine.

c. agassizii and ambiacus are very difficult to distinguish because the patterning is so varied between them, so place of origin is the only reliable method.

I did think that agassizii had a rounder snout than ambiacus but apparantly not always the case!!

pturley · Post by **pturley** » 11 Jan 2006, 17:34

Jorge,
Please do not cross post. I deleted your duplicate posting in the "What's my Catfish" forum.

I can move this thread there if you'd like but the duplicate is a waste of bandwidth.

xsu-xsu · Post by **xsu-xsu** » 11 Jan 2006, 20:34

Sorry, that was my fault as I was the one that suggested it.

As we are all intrigued to know what species these are, it may be a good idea to move it into it's proper and relevant section anyway.

Sorry again!!

Jorge · Post by **Jorge** » 01 Mar 2006, 11:42

Any opinion in ID?

Post by **Coryman** » 01 Mar 2006, 17:02

I would say C. agassizii.

Ian

Jorge · Post by **Jorge** » 22 Mar 2006, 10:46

Thanks Ian...

and what dou you think about this one?

delphax???

Post by **Coryman** » 23 Mar 2006, 17:17

C. delphax.

Ian