Is it OK to pond Vac this time of year please?

[Jus call me J]

I have some debris and leaves in there and I have got a yearning to do some Spring Cleaning...

I don't want to hoover up fish babies or anything so I was wondering when they do their breeding, spawning, nursing etc...

Also when I do Vac the pond, I flood the pond water from the Pond Vac's drain onto my lawn and replace it with tap water, is that ok?

 

[DrCase]

You would most likely be fine to suck it out J
My water is around 78 deg and my koi have been spawning for the last week
I already have some fry swimming , and they are at it hard today
I let my fresh tap water run in and splash down with my water fall water

 

[Jus call me J]

Are fish temperature driven to breed and spawn?

I have frog's spawn in there which is what made me worry that the fish may be spawning too...

 

[addy1]

Someone on here stated the temperature of the water needs to be above 63 and stay there. Mine were chasing like crazy, the water was around 63-65, now it is back into the 50's, at this point they are not chasing. I have not seen any egg mass, but do have a ton of toad tads in the lotus pond.