ARAPAIMA

genus of tropical freshwater fishes—the largest existing— covered with bony, compound scales. A. gigas (S. America) attains 15 ft. in length. mountain, Armenia, traditionally connected with Noah’s Ark; consists of double volcanic peak, Great and Little A., respectively c. 17,000 and c. 13,000 ft. above sea-level; also called Mt. above sea-level; first ascended in 1829,