Pan American Games Aires in 1940, the participants decided that the first games should be held in Buenos Aires in 1942. The plans had to be postponed because of World War II. A second Pan American Sports Congress held in London during the 1948 Summer Olympics reconfirmed Buenos Aires as the choice of host city for the inaugural games, which were held in 1951. The games offered 18 sports. Countries that were part of the Commonwealth of Nations such as Canada did not compete at the first Pan American Games. The second games were held in Mexico City, Mexico. Competitions started on March
Buenos Aires tetra once the eggs begin to hatch, removing the parents will reduce the number of lost fry, as the parents will soon begin to eat their young. Once the eggs are laid, the fry will begin to hatch in about 24 hours. For the next three or four days, they will eat their egg sac and then become free swimming fry. Buenos Aires tetra The Buenos Aires tetra ("Hyphessobrycon anisitsi") is a tropical fish from South America. It was first observed in the wild in 1907, by Carl H. Eigenmann. An aquarium subject for over 60 years, the Buenos Aires tetra