The Cryptocoryne plants are native to the same region that Harlequin Rasboras are from. When she's not writing about fish you can find her hiking, swimming, and doing yoga. One big perk of the Harlequin Rasbora is that they don’t get sick very often. Author Note: Add plants sparingly. Common Name: Harlequin Rasbora Scientific Name: Rasbora Heteromorpa (Duncker, 1904) Family: Cyprinidae . Trigonostigma heteromorpha, commonly known as the red rasbora or harlequin rasbora is a blessing to the eye and easy to care for fish. They require pristine conditions to initiate the process. They differ from other rasboras as they are egg layers as opposed to egg scatterers and must have a planted tank to breed. It should be relatively large and have the same type of water as the main tank. After a further 3-4 days the fry become free swimming. The choice is yours. They’re larger and girthier than the males. Here are a couple of important parameters to stick to: In order to maintain consistency in your tank, we recommend performing regular water tests. The Harlequin … Harlequin Rasboras love plants because they offer some protection if they ever feel threatened. Test the water frequently and do water changes on a regular schedule. The perfect habitat starts with high-quality water. With females, the shape is completely straight. The harlequin rasboras are notoriously difficult to breed in home aquariums, mainly due to the fact that they have very specific water requirements. Every fish of this species has a wedge-shaped marking. Harlequin Rasboras are a beautiful freshwater fish that can be found in plenty of tanks all over the world. How to breed Harlequin Rasboras Part one The fish breeds in long tanks where the water layer shouldn’t exceed 20 cm (8 in); at dim light and in soft water with the temperature 24-28°C (75,2-82,4 F). Type locality is ‘Kuala Lumpur, Selangor, Malaysia’, but this species is usually quoted as being nativeto southern Thailand, Peninsular Malaysia, Singapore, and the Greater Sunda islands of Borneo and Sumatra. Breeding Harlequin Rasboras Unfortunately they are one of the harder species to breed in an aquarium, but it is possible. When you’re ready, introduce a group of Harlequin Rasboras. These fish are quite tolerant and have no problem dealing with slight fluctuations in temperature. This includes hengels harlequins, harlequins, dwarf rasboras, ocellate dwarf rasboras and some others. Keeping the water on the warmer side of their range, around 80 degrees, as well as feeding them live foods will accelerate the process. Here are a few common species that do very well with these fish: As long as their tank mates are small and peaceful, feel free to experiment. These fish will not spend much time at the bottom of the tank, so you don’t need to worry about possible injury from the gravel. Consider feeding your fish bloodworms, Daphnia, or brine shrimp for a good dose of protein. Many species are easy to breed. Provide very fine infusoria for food. Breeding . They are the perfect community fish. This species is loved by aquarists because of their ease of care and stunning appearance. Most species spawn amongst the plants. It’s tough but completely manageable with the right knowledge. Learn more. According to most experts, it is necessary as the female can find it natural. The water hardness should not be higher than 1.5 to 2.5 (4) DH when trying to breed this species. They need very soft water of 2dh and a ph of 5.5 and a temperature of 82F. To help your fish reach their full potential in your care, you need to follow the basic guidelines below. Larger tanks of 20 or 30 gallons will provide your fish with plenty of room to swim around and get comfortable. Remember, these are schooling fish. This makes things a lot easier for you when it comes to their diet. Now that you know the fundamentals of Harlequin Rasbora care it’s time for you to pick some up! Rasboras Breeding Level – Difficult Most rasbora species kept by aquarists are egg scatterers that distribute their eggs among plants and provide no parental care. When it comes to breeding Harlequin rasbora, you should maintain a water temperature of at least 80° F a little warmer as compared to the normal condition. Start by adding two males and one female in the breeding tank. Thanks to their small size, these fish don’t need a ton of room. Cover the sides, front and back with paper to block out the light. Most species will take just dried food. So, if you are ready to put in a lot of effort, you may be successful at breeding them. In Singapore it is foun… Generally, this fish is for a small tank, and it can adapt itself perfectly in small tanks. Harlequin Rasboras are very peaceful. For other rasboras raise the temperature to 80F. several broad leaved plants such as amazon sword, several bunches of fine leaved plants dotted about the aquarium. … This includes the head. Feed well with live food at least 3 times a day. The above-mentioned conditions are beneficial for successful breeding to occur. You can add a large group to an established community tank as well. Typically, the patch is slightly larger on male fish. In fact, it’s very low in minerals and has a slightly acidic pH balance. In the latter it is more widely-distributed and has been collected from areas of peat swamp forestin the states of Selangor, Kelantan, Terengganu, Pahang, and Johor. Its scientific name is trigonostigma heteromorpha (until 1999 it was known as rasbora heteromorpha). There are no ailments that are specific to this species either. The Harlequin Rasbora, however, approaches breeding in a different way, actively sticking their eggs to the underside of leaves in the aquarium. The water density should be no higher than 1.5 to 2.5 dH during breeding time. Water parameters should match their original habitat. They will eat the fry. Out of all the species of rasboras, harlequins are the most popular among fish keepers. Rasbora heteromorpha generally spawns on the undersides of broad-leaved plants. We cover tank mates, size, habitat, breeding, lifespan, and more! The Rasbora Hets also known as the Harlequin Rasboras, originate from Southern Thailand, Malaysia, Singapore, and Sumatra. This will ensure that your Harlequin Rasboras don’t go through any unexpected water changes that can impact their health. Most will live until they’re about 6 years old, with good care and genetics determining if they will hit the upper end of that range. They need very soft water of 2dh and a ph of 5.5 and a temperature of 82F. 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