Aquarium fishes

The black tetra (Gymnocorymbus ternetzi), also known as the black skirt tetra, is a popular freshwater fish from the Characidae family. Known for its striking appearance and lively behavior, this species adapts well to aquarium life and is relatively easy to breed, producing numerous offspring.

However, black tetras can sometimes nip at the fins of other fish. Because of this behavior, they are not ideal tank mates for fish with long or delicate fins. It’s best to avoid keeping them with species that have veiled or long fins to prevent any potential issues.

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The Congo tetra (Phenacogrammus interruptus) is a strikingly beautiful aquarium fish known for its vivid colors and graceful movements. Considered one of the most stunning members of the Alestidae family, this fish adds a splash of color to any tank.

When kept in well-lit environments, the Congo tetra’s hues can vary dramatically, showcasing shades of blue, gold, and iridescent green. For aquarium enthusiasts looking to appreciate the full beauty of this fish, providing a planted tank with varying light sources can enhance its vibrant appearance.

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Silver dollar fish are fascinating members of the Characidae family, known for their distinctive appearance and behavior. These fish, which thrive in freshwater environments, are characterized by their rounded, flattened bodies and striking silvery coloration.

The name “silver dollar fish” originates from their resemblance to a one-dollar coin, which was in circulation in the United States during the 19th century. Juvenile silver dollar fish particularly evoke this likeness due to their shape and shimmering scales.

In addition to their aesthetic appeal, silver dollar fish are popular in aquariums, often kept in schools to mimic their natural social behavior. They require a spacious tank with ample swimming room and a well-maintained environment to thrive.

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The serpae tetra, commonly known as the red tetra, is a vibrant tropical freshwater fish that captivates aquarists with its stunning appearance. Resembling a small, moving flame, these fish bring a dynamic energy to any aquarium. Their schooling behavior creates a lively display, making it hard to look away. Ideal for both novice and experienced fish keepers, serpae tetras thrive in community tanks, provided they have ample swimming space and compatible tank mates.

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