Mine didnt want to eat right away either it took about 3-4 days thean it came around...I even use a pair of feeder tongs to feed my Fantasy,pacman and Pixy.
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Aninmal crazy you can never have too many Amphibians.I want more 
1-Pixie frog "Tank" 0.0.1(I say it is a he,Yet to find out)
1-Fantasy frog "name to come yet" 0.0.1
1-Pac-man frog "name to came yet" 0.0.1
2-Bearded Dragons "Salt and Pepper" 0.2.0
1-Western hog nose "Piglet" 0.0.1
1-Cat "mom-ma cat" 0.1.0 (Stray we took in)
2-Catahoulas "Barney and Lilly" 1.1.0 (Wifes)
2-Fire belly toads "??" 0.0.2(sons)
2-Guinea Pigs "Nemo and Bush" 2.0.0 (Daughters)
1-Love Bird Margret(Wifes)
1-Cockateal Frank
1-Fire belly toad "?" (Daughters)