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The first is a different species from the 2nd and 3rd. The photos are so poor that it is impossible to truly identify any of them. My guess is that you used a low megapixel cell phone camera. These cell cameras are fine for low resolution, online snapshots, but sadly are next to useless for close-up, low light purposes needed for fish photos.
Better, but still not good enough for me to get a good ID. The first one shows the fish top down, which distorts the body. It is best to photograph (for ID purposes) broadside and with fins erect if possible. The second one shows the fish broadside but sadly the fins are clamped shut, so I can't see their shape or height. Additionally, the fish is so stressed by being handled that it has lost even its dark stress pattern. Take a look at my avitar, taken in Peru of a wild A. bitaeniata Río Tigre. The fish was photographed in a small specimen cup and gently guided to the front. I am not really touching the fish. Even though the photo is slightly out of focus, the fish displays itself broadside with fins relatively spread and dark markings show due to slight stress. For me this works very well for ID purposes.