well at the end of day 10 he released them, i didnt notice until this morning though, and they were all dead. there was about 50 of them, about 2mm long.
now he couldd have released them for any of 3 reasons,
1) they hatched and died after being released
2) they died in his mouth so he released them
3) they hatched, they "matured", he released them and then they died.
when i found them they were all in one corner and many were stuck to the sponge filter, i had the sponge filter turned way down, even the copepod napaulii could manage with no problems. ill try to take a pic of one when i get home.