guppies. i wouldn't do anything fancy. also, if you are planning on breeding them then take the fish out, they will eat the eggs. or the frogs just will not lay the eggs where you can see them and then the eggs don't do well...
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RES
WTF
FBT
Russian Tortoise
Hingeback tortoise
Leos
Lawsons Dragon
Aussi
Ocelot Gecko
0.0.3 Vietnamese Mossy Treefrogs
Oregon Newt
Japanese FBN
American Bullfrog
0.0.4 D. tinctorius
D. auratus
D. leucomelas
1.1D. imitator
0.0.2 imitator intermedius
1.1.1D. lamasi
Grandis Day Gecko
Mali Uro
0.0.4 Hourglass Treefrogs
Hedgehog, bunnies, dog, fish, crawfish...