sry for never replying. My account was messed up for a couple days. I say that just out of experience i guess. I dont post much about them, but i always keep jags. i mean i could be wrong. Just any ive had around that size are real dark untill like 6"
*edit, i just went back to the op and looked at the pics again since its been a few days. Pic 2 and 3 deff look like jags, just the 1st and 4th pics they appear off. Like the vertical bars are odd to me. But i suppose it could be that they are just kept in a lighter aqaurium then im use to seeing them in, as mine are always on black substrate and most of the time black background