this is what happens to koi that are let go in lakes, these photos are carp though are u sure u guys are'nt seeing one of these or do they have distinct Koi features ???USMCtanker said:ya by my old house there is 2 big as koi at about 3' plus in there. they have been in there for 10 or more years. everyone trys to catch them but there way smart. oh its a small lake thats why people see them all the time. im about to get a net and get that thing. maybe some one one here has seen them its a small lake in rancho santa margarita in so cal.