If you are keeping tetras, chances are you are breeding tetras, even if unknowingly. In the wild, tetras normally breed during the rainy season, but in the aquarium, they may breed year round. Female tetras are egg-scatters that typically fill with eggs every ten to fourteen days.

Tetra is a freshwater fish which is very popular for aquariums. Brightly colored by nature they are to be found living in tropical regions. These freshwater are members of the Characidae family of fish. There are a number of varieties of the Tetra fish family to be found, including the Anostomidae. This type of fish was caught off the lands of the Central and South American regions, and is also known as Head standers.

Spotted silver dollar should be kept in a school of three or more. While generally peaceful fish, the spotted silver dollar will be uncomfortable and could get scared if not in a school. They tend to be a little hyper. If you come up to the tank too quickly or make any sudden movements near the water, the fish will dart wildly around the tank.

Another type of breeding fish is the 'Spraying Characin, biologically known as the Opella Amoldi. This fish frown to over 3 inches in size and is a native of Venezuela, Brazil and Guiana. These varieties of aquarium fish have fins that are elongated and a slim body. Feeding is not a problem with these fish as they eat almost anything available in the aquarium through they do prefer natural water conditions.

The preferred food of the Splashing Tetra is small live food, including aquatic insect larvae and Daphnia. They will also eat most normal aquarium fish foods and frozen bloodworms. The Splashing Tetra is happy with other small peaceful fish like Neon Tetras, Cardinal Tetras, Green Neon Tetras, White Cloud Mountain Minnows, Cherry Barbs, Penguin Tetras, Pristella Tetras and Glow light Tetras. They would probably also be OK with Siamese fighting fish.

The glow light tetra is pastel peach in color with a horizontal red-gold stripe that spans the length of its body. Originating in Guyana, South America, the glow light does well in a fresh water tank of slightly acid but peat-softened water that is kept between 74F and 82F. Glow light tetras generally occupy the bottom third of the tank, except for feeding time when they will swim to the top.

One of the most distinguishing features of the lemon tetra is their large eyes. The upper part of the lemon tetra’s eye is brilliant red, which is a sharp contrast to the yellow pastels it displays in its body colors. Actually, though, the lemon tetra is quite colorful on close inspection. Body coloring is a delicate pale yellow, flanks are silver, and the leading edge of the anal fin is shiny-bright-yellow and sharply divided from the other rays, which are black.

Neon tetras are schooling fish and need to live together in multiple numbers. They are small and take up little room, plus their bright blue, red and silver colors brighten up any aquarium, especially at feeding time. The perfect number of neon fish to keep would be a group of around fifteen. They are very peaceful fish that get along among themselves and with all the other fish.

This fish is one of the most popular tetras sold to freshwater aquarium fans. As mentioned, it isn't very colorful but it makes up for this with the way it behaves. Specifically, the males of this species are very territorial and they defend their space by showing themselves in profile, which makes the edging of the black quite prominent.