![]() ![]() The temperature requirements for the Congo tetra is between 74 to 82 ☏ while the PH should ideally fall between 6.0 to 6.5.Įnsure you keep at least six of the species together, and it is best to avoid aggressive tankmates that may bully the Congo tetra. Invest in a 40-gallon tank or larger to give the Congo tetra enough space to roam. You can achieve this setting by coupling floating plants with dim aquarium lights. The Congo tetra will, therefore, thrive in dark and still water with low light. ![]() In its natural habitat, the Congo tetra favors slightly acidic water and tall vegetation as well as substrates consisting of mud, sand, and silt. It is one of the larger tetras, as it can reach lengths of three inches.īreeding the Congo tetras had mixed results after it was first discovered, but aquarists in Florida successfully reported a breeding line in the 1970s. Its body has green, blue, red, and yellow hues, and its scales are characteristically large. The Congo tetra is recognized for its radiant appearance, and it is sourced from the Congo River. The cardinal tetra will co-exist peacefully with other species including the other tetra species, dwarf gouramis, and danios. Ensure that the chemistry is stable at all times. The fish will generally be easy to keep since they are rarely vulnerable to diseases. You can opt to have a planted aquarium with an open central region.īeing omnivorous, the cardinal tetra will eat most foods, but you should provide a lot of flake foods to satisfy their vitamin requirements. Ensure that your tank has an open swimming space in addition to several hiding places. The temperature should range between 73 to 80 ☏ with a PH of below 6. It is a schooling fish, and you should, therefore, keep a community of the fish in your tank. In the wild, the cardinal tetra prefers waterways covered by dense rainforests where the water is either static or slow-moving. It is indigenous to the South American countries of Venezuela, Brazil, and Colombia in environments like the Rio Negro tributary. Ideally, a water temperature of 73-81☏ should be maintained and water of middle hardness to soft is recommended.The cardinal tetra closely resembles the more popular neon tetra. Very soft and acidic preferred, but captive-bred fish will tolerate medium hard and alkaline water with few fluctuations in water parameters. Floating plants to cut down on the light intensity is recommended. They look good with a dark background and substrate. In captivity, they will appreciate a densely planted aquarium with some open swimming space in the center. Tank currents can also help encourage shoaling behavior. The schooling behavior only occurs when there is some sort of fear stimulus (something that won't eat them!). The cardinal tetra is often confused with the neon tetra, but in the Neon tetra the red area only runs halfway down the body, and the neon's blue stripe is a less vibrant blue.Īs said above, Cardinal tetras are schooling fish so groups of six or more individuals should be maintained in an aquarium. The body below is a bright red area that covers the lower part of the body. The stripe extends from the upper parts of the eye to just below the Adipose fin. The cardinal tetra has the iridescent blue line characteristic of the Paracheirodon species. They are usually found in slow moving waters and well-vegetated tributaries where water is very peaty black and water condition can be very extreme (sometime in pH of 3-4). ![]() In nature, schools of cardinal tetra number from a few hundred to thousands. The Cardinal tetra is one of the most frequently kept fish species among aquarists, and is especially popular among beginners. Floating plants to cut down on the light intensity is recommended. They will appreciate a heavy planted tank with plenty of hiding spots and some open area to swim. The river Amazon and its tributaries are filled with densely grown plant life and the rivers and streams are shaded by jungle vegetation. The ideal aquarium should mimic the natural Neon Tetra habitat. In captivity, Neon tetras does well in groups of 10 or more. The difference is that the red stripe on the Neon Tetra runs only halfway up the body while it runs the full length of the body on the Cardinal Tetra. It is similar in appearance to the Cardinal Tetra. The side over the blue stripe is of a dark olive green shade and the fins are nearly transparent. The red stripes begins at the middle of the body and extends posteriorly to the base of the caudal fin. The Neon tetra is also decorated with a red stripe on each side of the body. The stripes runs from its nose to the base of the adipose fin. It has an iridescent blue horizontal stripe along each side of the body. The back is light-blue back and the abdomen is silver-white. ![]() The Neon tetra is probably the most known freshwater fish kept at home aquariums. Neon tetra has a spindle shaped body and a blunt nose. ![]()
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