Thanks for all the encouraging replies so far :-).
So by the term "tad-pack" I should assume he'll pick up other tads when they're ready and just add them to his load? There's still three visible eggs that have very developed tadpoles inside...
Oh, and he's still carrying the original one around, at least 24 hours later here.
Lots O' Leucs, A. galactonotus "Red," D. tinctorius "Azureus," D. tinctorius "Bakhuis"