While I agree with ewest completely, my gut says that your YP are o.k.
There were probably a few morts as others have indicated, but if they all eventually swam off, I'd say that most of them made it.
"Only after sorrow's hand has bowed your head will life become truly real to you; then you will acquire the noble spirituality which intensifies the reality of life. I go to an all-powerful God. Beyond that I have no knowledge--no fear--only faith."
