There might be another tetra like cardinal which would school with them when they feel scared, but … I've seen Neon tetra's and Cardinal tetra's school together, i used to have a bunch, so i would say the probably will, but i'am not garenteeing they will all school, but i would think so! Thanks! Neons are schooling fish and should always be kept in groups of five or more. Neons don't really school once they feel safe in your tank. Answer. If you like small, peaceful, and brightly colored fish, you might have looked into getting some tetras. thanks again. I have Glowlight Tetras and Neons and various other Tetras in my Community tank and they intermingle but not as a block of each, ... Is it ok to have 3 cardinal tetras, 3 glowlight tetras, 3 neon tetras … Neon Tetras do best in soft acidic water with a pH of 6.0 to 6.5 and a hardness level of 5 to 10 dGH. From far away, your tank can be eye-catching as a school of small, colorful fish dance their way into view. These fish will be ok with glowlight tetras, rummynose tetras, harlequin rasboras, lambchop rasboras, corydoras, and other small fish. They often even school together! In my tank, Neon and Cardinal Tetras school together very happily. It is absolutely fine putting them together. They have been with us for quite a long time now, and I should say we have lost only one fish - a neon tetra due to some mysterious condition. Well, my son had his heart set on the Neons, and the store had no Cardinal or Lemon Tetras, so we brought home 11 Neons (although we asked for 10). These fish will be ok with glowlight tetras, rummynose tetras, harlequin rasboras, lambchop rasboras, corydoras, and other small fish. The Neon Tetra (Paracheirodon innesi), also known as neon fish was first discovered back in 1934 in the Amazon jungles.It is a freshwater fish that belongs to the Characidae family and is known for its dazzling colors and energetic temperament. Will one cardinal tetra school with neon tetras? They tend to disperse to all parts of the tank and occasionally "tag" each other when they come close. Will black tetras school with the neons? DO NOT KEEP THEM WITH blackskirt tetras,or other big fish. They don't even occupy the same region in the tank. If the cardinal is not bigger than the neons it will be just fine. i have 6 neons but would like to get 3 cardinal tetras. Guppies, Angelfish (Use With Caution), Mollies, Loaches, Cardinal Tetras, Corydoras Catfish, and other friendly fish. Instead, adding an entire school of them may give the tank the appearance you are looking for. Neon Tetras have been in the aquarium trade longer than Cardinal Tetras and are usually the less expensive of the two species. :thumb-up: :thumb-up: Tetras are finicky, that's for sure. Cardinals have a little more red in the body, but the two are similar enough that they will often school together. That said aggressive fish like cichlids, barbs and any other large fish would not make great tank mates for your Neons. if they wontn school together then im not getting cardinal tetras Learn how to care for your neon and cardinal tetras. A school of Cardinal or Neon Tetras could be your next perfect addition to your aquarium. I think the Neons are doing okay, although they are staying at the bottom (the danios stay at the top most of the time). Sometimes they all form one huge school ,sometimes they break up by species, they all get along fine.One way to tell a tetra that doesn't feel well is it goes off by itself. Tetras will school together . Like neon tetras, they are peaceful, community fish and need to be kept with other schooling fish to feel secure. I have a tank with Neons, Black neons, Glowlight, and Cardinals . Black neons are mid to top and neons are mid to low. : will cardinal tetras and neon tetras school together? It’s recommended to keep neon tetras in slow-running water to mimic their natural environment. I have a tank with Neons, Black neons, Glowlight, and Cardinals . DO NOT KEEP THEM WITH blackskirt tetras,or other big fish. Neons are schooling fish and should always be kept in groups of five or more. cardinals, neons, or glolight tetras would be a good addition, as they look similar to the black neons but are different colors. Wiki User September 13, 2011 6:03PM. … Sometimes they all form one huge school ,sometimes they break up by species, they all get along fine.One way to tell a tetra that doesn't feel well is it goes off by itself.