
Neon tetras have bright blue heads and backs, with a deep blue stripe from the eye to the tail and an iridescent red stripe on each side of their bodies. Colors, Patterns, Fins, and Sex Differences Neon tetras are calm, peaceful fish and are rarely aggressive in a peaceful community tank setup. Neon tetras are vivid blue with a thick red line from the belly to the tail. Imperial Tropicals sells neon tetras in groups of three, 10, 25, and 50 Appearance & Behavior.LiveAquaria sells neon tetras and a couple of neon tetra variations, including black neon tetras.Males and female neon tetras are the same sizes, but males have longer dorsal and anal fins than females. Neon tetras are one of the smallest species of aquarium fish, and adult neon tetras only grow to 1.5 inches long.

More than 1.5 million neon tetras are imported from fish farms to the U.S. The neon tetra’s natural habitat is declining due to deforestation and farming, but there are still a lot of neon tetras in the wild. Neon tetras live in blackwater and clearwater streams. The waters in this region are acidic, with a pH as low as 0.4. Neon tetras are found in the northern and western Amazon basins in Peru, Brazil, and Colombia. Advertisements Scientific name: Paracheirodon innesi Common names Neon tetra Distribution: Brazil, Colombia, Peru Size: 1–1.5 inches Life expectancy: 6–8 years Color: Blue, silver, or translucent with red markings Diet: Omnivore Temperament: Peaceful Minimum tank size: 10 gallons Temperature: 70–81☏ (21–27☌) pH: 6.0–7.0 Hardness: 2–10 dGH Care level: Easy Breeding: Egg scatterer Origin
