Making Demerit: Amazonian Predator Fish Freed By Karma-Seekers By Teeranai Charuvastra, Staff Reporter   Image: Laura Wolf / Flickr   LAMPANG — A large fish released into a public park by temple-goers turned out to be the predatorial Amazonian arapaima, officials said Monday.   The well-intended release at a large pond located inside Nong Krathing Park sparked a hunt for the fish due to concerns that the alien species could damage local ecology, fishery of