Salmonoid Fishes in the Argentine Andes

Abstract

Abstract Trout were introduced into Argentina before 1900 but the actual successful establishment of trout and salmon occurred subsequent to 1903. Of the twelve different species of fish imported, only four reproduced successfully and became acclimatized. The site of the principal introductions of salmonoid fish was the National Park of Nahuel Huapi which is well-suited for trout. The mountains are high and well covered with vegetation. Most of the streams are short and have considerable volume and velocity. Several lakes and streams were examined by the author during 1937 to determine their value for fishing and for the collection of spawn. Data were secured during the 1937 spawning season on the weight and length of the landlocked Atlantic salmon (Salmo salar sebago) and the brook trout (Salvelinus fontinalis). Information also was obtained on the size and abundance of the various species of trout and salmon. Due to the apparent decline in the fish population a fisheries station was constructed in 1932 ...