Bob wrote in message . ..
This is our second year for our pond and a little less than one month
ago we noticed what we thought was some of the fish spawning. For the
past week we have counted 7 baby Koi about one inch long. For the
last couple of days we've heard a bullfrog croaking at night, and am
concerned that our baby Koi are not going to last too long with him
around. What is the best method for catching them and what do I do
with them after we catch them?? Would a small aquarium suffice and
what kind of pump/areator should I use?? And what should I feed
them....they seem to be eating algae now.

I've seen koi laying eggs more than a few times. Spawn can cover every
square inch of the pool....

Isolating good numbers quick is vital, the kois will eat the eggs
rapidly, insects will scoff huge numbers, and fungus is quite likely
to take off within days.
Eggs in shallow water will quite likely hatch, while many that sink
deep will not...

floating large polythene bags, say 60" x 40" bags, rolling the neck to
form a baloon like collar, creates quite useful floating 'isolation'
wards in a pond, cover them with gauze so dragonflies can't lay eggs
in the nurseries... place eggs in numbers in the floating nursery, and
cross fingers...

floating plants like water hyacinth are good for catching eggs, for
transfer... even floating polythene bags will do (bin bags) kois seem
to like to barge the females onto shallow surfaces and plants in
particular... I used to create floating 'islands' with plants like
parrots feather by putting an old tub or bucket floating in the pond,
with a portion of plants within to thicken up and sprawl over the
sides.

the advantage of the floating 'nursery' is that the large pond created
very stable water temperatures for the eggs to develop in, with an
average depth of 30" a koi pond is a very pleasant incubator, varying
just a few degrees night and day. The little tiddlers loaf in shallow
waters, nibbling on what tidbits drift in the surface currents

As Winter arrives, its a pleasant task to round up the best fish that
have thrived, indoors a simple coldwater aquarium with a strip light
in the hood will get serious numbers through the winter to put out
strong next spring

regards, andy
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