"A:H" ah@dk wrote in message
. ..
What name have this kind of pond in english????
http://www.bonnet-it.dk/annsholm/koi_dammen.htm

I'd call that a backyard pond, or watergarden.

and what is the name for the fish koi like this pic. ?
http://www.bonnet-it.dk/annsholm/koier.htm#MINE_KOIER!

I cannot specify the species exactly, but those look like Koi.

BV.