Originally Posted by Tihsho
Glad this provided a good discussion!
I'm trying to find the exact invasive species I ran into while I was back home in Hawaii. I want to say they were D. Auratus, but I'm not sure if there was a locale that best fit what I found years ago. Basically, I wanted to take a cut out of the area I found the darts and replicate it in a Viv. The reason Mourning's came up was because they are also another invasive species on the island and I figured they would assist in bug control within the viv making sure there are no feeder escapee's.
This is an interesting idea.
'Hawaiian' is the frog you're looking for; I understand them to be a locale of the 'Green and Black' morph. There are also purported Hawaiian locale mourning geckos in the hobby. I'm skeptical of the actual lineage of some MGs claimed to have lineage, though, and I personally wouldn't pay the (crazy, IMO) upcharge for so-called Hawaiian MGs.
I don't think the bug control reasoning is really a factor; you'll still have just as many escaped FFs, since you'll have to feed more FFs to ensure the frogs get enough in the face of the competition.