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Over the last few months, I've noticed differences with my cory cats (not to mention only two of them school together (pic below)). Two fo them I believe are corydoras trilineatus, as the spots along their sides connect (although there is only ONE line, and they were sold a juliis).

http://imperialpraxium.org/~kitty/Tank55/Update/2.jpg

The other two do not school together or pay any attention to the trilineatuses. One of them appears to have an upturned mouth, he floats almost vertically when picking through the sand unlike the trilineatuses who are horizontal. The other one has a very similar pattern as the trilineatuses except the spots do not connect and on the head, the pattern turns more into a leopord splotches (don't have any other way to describe it, I'll try to get a picture). Does anybody have any idea what species these two could be? Or point me to somewhere I can get such information?

That picture is primarily of a few tetras, but the two cories on the far left are definitely trilineatus.


Planetcatfish.com is always visit #a for IDing any kind of catfish.

-Molly
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Yes, the two cories from the picture appear to be trilineatus. However, an I.D. on your other cories is just guesswork without pictures. Many Corydoras species look very similar, and are very tough to tell apart without photographic help.

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