I suspect "swapped out" meant replacing the dead, at least as far as the dart frogs were concerned. I'm really relieved that you never actually considered going that route.
-----
Patty
Pahsimeroi, Idaho

D. auratus blue, auratus Ancon Hill, galactonotus orange, galactonotus yellow, fantasticus, reticulatus, imitator, castaneoticus, azureus, pumilio Bastimentos. P. lugubris, vittatus, terribilis mint green, terribilis orange.