Thank you for attempting to get a better photo and this one clearly shows the fish to be an iridescent shark and not a paroon.I have had paroons before and I currently have a young paroon that I have been growing out and two things you can zero in on when trying to tell the two species apart are their tail and dorsal fins which are much larger and more pronounced in the paroon sharks.....they also have a different shaped head.Okie If it's an ID shark. Does ID shark change its color? Today morning he/she was fine but I don't know why that fish change its color
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