11-26-2012, 06:30 PM
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Originally Posted by Bluewind
His body shape and eyes match the trilineatus, but his markings don't. The spots are a tad larger than the ones on the Julii, but save for the stripe along his side, they don't connect.
I don't have any more yet. I'm still searching and waiting until they get more at PetSmart. Would anyone on here sell me any or am I too new to fishkeeping for someone to be willing to sell to me?
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You can't see the profile I take it, but the text therein explains that both species can be very variable in their markings, and especially C. julii; the fish in the two photos in the profile for C. julii are so different some might question if they are the same species. But when considering the two species, they are usually easy to distinguish. The head is probably the most obvious. On the true C. julii, the marking is quite obviously dots or spots, whereas on C. trilineatus they are obviously not dots/spots but more reticulated--squigly lines of varying length, though all usually quite short, but clearly not uniform spots. The lateral dark line along the side is always distinctly present in C. trilineatus, but may be present, or indistinct, or almost completely missing on C. julii, and if present only extends mid-body as a distinct line.
Just to add to the confusion, there are two other species that are also sometimes confused with these. But when it comes to so-called Julie corys in stores, almost in every case they will not be C. julii unless the store imports from Peru.