Buenos Aires tetra Directory References Discover Is Cinco de Mayo Mexico's Independence Day? 7 Drugs that Changed the World 7 Everyday English Idioms and Where They Come From How Deadly Is Quicksand? Who Invented the Internet? Timeline of the 2000s 9 of the World’s Deadliest Snakes 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