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Green neon tetra2/18/2023 Some frozen foods, including frozen blood worms, add variety to their diets. A tropical sinking pellet is ideal, as most brands of these include natural color enhancers that bring out the color in neon tetras. Neon tetras are omnivores and will accept most flake foods, if sufficiently small, but should also have some small foods such as brine shrimp, daphnia, freeze-dried bloodworms, tubifex, which can be stuck to the side of the aquarium, and micropellet food to supplement their diets. Neon tetras are best kept in a densely planted tank to resemble their native Amazon environments. They are shoaling fish and must be kept in groups of at least six, but will be more active in groups of eight to 12 or more. Neon tetras are considered easy to keep in an aquarium of at least 10 US gallons (38 l 8.3 imp gal) with a temperature range of between 72–76 ☏ (22–24 ☌), a water pH of between 6.0 and 7.0, GH of below 10 dGH and KH of 1-2 dKH, and under 20 ppm of nitrate. They can have a lifespan of as long as ten years, but normally just two to three years in an aquarium. In the wild they inhabit very soft, acidic waters (pH 4.0 to 4.8) Ideal pH for aquarium is 7.0, but a range of 6.0 to 8.0 is tolerable. In the aquarium Ī shoal of neon tetras in a home aquarium With the exception of home aquarists and a few commercial farms that breed neon tetras experimentally, captive breeding on a commercial scale is nonexistent in the USA. During a single month, an average of 1.8 million neon tetras with an estimated value of $175,000 are imported into the United States for the aquarium trade. Most neon tetras available in the United States are imported from Southeast Asia, where they are farm-raised, or to a lesser extent from Colombia, Peru, and Brazil, where they are collected from the wild. innesi is one of the most popular aquarium fish, with about 2 million sold in the US each month. Myers in 1936, and named after William T. The neon tetra was first imported from South America and was described by renowned ichthyologist George S. They have recently become available in a long-fin variety. It grows to approximately 4 cm (1.5 in) in overall length. This change is produced by guanine crystals in their cells that reflect light. In a light-adapted state it is blue-green, likewise in a dark-adapted state its color changes to indigo. This peculiar change is due to the neon tetras capacity to change the color of its iridescent stripe in response to lighting conditions. It reactivates once it becomes active in the morning. During the night, the blue and red become gray or black as the fish rests. Sexual dimorphism is slight, with the female having a slightly larger belly, and a bent iridescent stripe rather than the male's straight stripe. The fish is partially transparent (including fins) except for these markings. The fish is characterized by an iridescent blue horizontal stripe along each side of the fish from its nose to the base of the adipose fin, and an iridescent red stripe that begins at the middle of the body and extends posteriorly to the base of the caudal fin. The neon tetra has a light-blue back over a silver-white abdomen. FAO considers its introduction to Singapore to be ecologically and socioeconomically beneficial, but it is not established there. innesi an introduced species in Singapore and the United States. It is not found in the whitewater rivers. It has a preference for acidic blackwater streams, but also occurs in transparent clearwater streams. It lives in waters with a temperature between 20 and 28 ☌ (68–82 ☏) and pH 4–7.5. The neon tetra is found in the western and northern Amazon basin in southeastern Colombia, eastern Peru, and western Brazil.
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