"I saw this beautiful frog, took a photo, put it on the website and a couple of days later people told me it is invasive,"Mr Moretto said.
"If they were to establish in Tasmania, they've got the ability to outcompete native populations for resources,"he said.
"I go, 'Is that it!?' and Debbie goes, 'Oh my God, that's it'."
"Sometimes we have no idea [what we're photographing] … for me it was just a beautiful frog."
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