Hello everyone!

I'm in a bit of a fix at the moment. I used to have two Green and Golden Bell Frogs (litoria aurea), but then one died. Since then, the surviving frog has been alone. "Frog season" so to speak has ended because it's winter, and I'm wondering whether I should wait until spring to buy a companion for Froakie, or buy several off Trade-Me (kind of like e-Bay)
Frogs | Trade Me

Froakie morphed from tadpole to froglet around Easter this year, so he's still pretty small (about 2cm body length). This species of frog can be cannibalistic, so I'm worried that if I wait until spring, the size difference between Froakie and companion may cause an unplanned meal D:

Advice/ opinions please?
Name:  969322_564438893599019_1281794958_n.jpg
Views: 1300
Size:  65.1 KBName:  969694_556614057714836_632659518_n.jpg
Views: 1287
Size:  64.5 KB