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The average lifespan for a serpae tetra is about seven years. Filtering through peat moss can also be helpful. To breed these fish, they should be given a small, dedicated breeding tank planted with thick bunches of fine-leaved plants such as Myriophyllum on which they can lay eggs. Also, a visible difference in the shape of the swim bladder can be seen above and behind the silverish abdominal cavity. The Serpae tetra, also known as the Red Minor tetra, Jewel tetra or Callistus tetra,1 is a species of tetra, a tropical freshwater fish of the characin. However, males are usually slimmer and smaller than females. If any aggression is seen in the fish, it is usually among conspecifics, especially if they are kept in large groups where they can establish a pecking order (a behavior similar to Puntius tetrazona).īreeding, as with most other tetras, can be difficult due to the few obvious differences between the genders. This is their normal behavior and by itself need not alarm aquarists. Instead of swimming smoothly or for long distances at a time, Serpae Tetras move in relatively short spurts, unless stressed. The tank should be well-planted, providing shelter and hiding spots.Ĭommon to these fish is a 'sputtering' or 'twitching' style of swimming, in which their movements seem more spastic as opposed to other fish. You won’t be able to take your eyes of tetras school in an aquarium. Can be a bit nippy if not given enough food, best not to keep them with long. This is an overwhelmingly beautiful fish that looks like a small moving flame in a tank. One of the most intensely coloured fish in the Amazon. As with any other schooling fish, they thrive in large groups and should be kept in schools of at least six fish. Hyphessobrycon eques) is a tropical freshwater species which are sometimes referred to as red tetra.
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They will generally do better and show off their best colors in soft, neutral to slightly acidic water. Serpae tetras prefer water temperatures ranging from 72–79 ☏ (22–26 ☌).