The Rummy-nose Tetra (Hemigrammus rhodostomus) is a popular freshwater aquarium fish prized for its bright red snout, translucent silver body, and bold black-and-white striped tail.
Size: Max length of about 2 inches (5 cm).
Behavior: Peaceful community fish that thrives in tight schools of 6 or more.
Water Conditions: Prefers clean, warm water (72–84°F / 22–29°C) with soft, slightly acidic pH (5.5–7.0).
Health Indicator: The vibrant red color on its nose naturally fades if water conditions deteriorate or if the fish is stressed.