![]() If you’re looking for a small freshwater fish that can fit in an average-sized tank, this is a good option. The minimum recommended tank size for glowlight tetras is 10 gallons. Either way, they are a relatively small fish that doesn’t need a lot of space to swim around. ![]() However, there are some reports of them reaching up to 3 inches in the wild. ![]() Most Glowlight tetras only grow to be about 2.5 inches in length. Things like water quality, diet, and stress can all shorten their life expectancy. However, there have been reports of these fish living up to 10 years in captivity.Īs with any fish, their lifespan will be greatly impacted by the quality of care they receive. The average lifespan of a Glowlight Tetra is 5 to 8 years. The males also have a more pointed dorsal fin. One thing that’s worth noting is that the female Glowlight Tetras are usually a bit larger than the males. The pectoral fins are very small in comparison to the other fins and start close to the head of the fish. The caudal fin is forked and roughly the same size as the dorsal and anal fins. Both of these fins are relatively tall and thin. The anal fin is a bit longer and starts closer to the middle. The dorsal fin is short and starts about two-thirds of the way back on the body. The body of the fish is very streamlined with a long and thin shape. This color can range from a pale yellow to an orange tint. As the name implies, these fish have a very noticeable glow to them. The first thing you’ll notice about this species is their coloration. ![]() This makes it a popular choice for aquariums, especially those with a black background which really makes the fish pop. The main draw of the Glowlight Tetra is its bright red coloration. They can be kept with a wide variety of other fish, as long as they are of a similar size. Glowlight Tetras are a very peaceful fish that do well in community tanks. This provides them with plenty of places to hide and forage for food. They prefer to live in areas of slow-moving water with a lot of vegetation. The Glowlight Tetra (Hemigrammus erythrozonus) is a freshwater fish that is native to the rivers of South America, specifically in the countries of Brazil, Peru, and Columbia. ![]()
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