Buenos Aires tetra Directory References Discover Timeline of the American Civil Rights Movement Timeline of the Titanic’s Final Hours What is Holy Week? Titanosaurs: 8 of the World's Biggest Dinosaurs The Seven Sacraments of the Roman Catholic church Which Religion Is the Oldest? 7 of the World’s Deadliest Shipwrecks Contents Buenos Aires tetra fish Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Hemigrammus caudovittatus Learn about this topic in these articles:description In tetraThe Buenos Aires tetra (Hemigrammus caudovittatus) grows to 9 cm; it has reddish fins and a dark, lengthwise stripe on each side that widens to a diamond-shaped spot on each side of the tail root.Read More