There are three currently. I'll be adding more soon - probably a total of 7 for this shoal. Thanks for the ID! There's one of the three that doesn't appear to have the squiggles, but I think you're right that they are, unfortunately, trilineatus.
Are these actual corydoras julii - please help me verify either julii or trilineatus. I can get more pics if needed. These were taken right after being introduced into the quarantine tank, so they are still very stressed. Thank you!