The waters are very dark. Most species will take just dried food. Some of the more difficult to breed rasboras, such as the harlequin rasbora, will need reverse osmosis water to obtain the required softness needed to breed them. You can add a large group to an established community tank as well. The Harlequin rasbora is a pretty little fish that grows to reach a total length of around two inches, making it smaller than a fully grown betta fish. Most species spawn amongst the plants. Include dense plants like Cryptocoryne or species with broad leaves. The tail, in particular, has a more exaggerated taper to accent the tail. There should be two females for every male. This combination can definitely work as long as you have the appropriate tank size. The exact shades vary from specimen to specimen. Rasbora heteromorpha generally spawns on the undersides of broad-leaved plants. Most will only get about 1.75 inches! Harlequin Rasboras are omnivores. As a good rule of thumb, you can keep a pair of Harlequin Rasboras for every gallon your tank will hold. The average lifespan of the Harlequin Rasbora is between 5 and 8 years. Things like bloodworms and Daphnia are a good option. Out of all the species of rasboras, harlequins are the most popular among fish keepers. In fact, they’re one of the most popular…, Clown Loaches are one of the most popular freshwater fish in the aquarium scene. The harlequin rasbora belongs to the carp family (cyprinidae), and within this to the danios (danionidae). The male will embrace the female by placing his tail over her tail when he fertilises the eggs. The color covers most of the body. Typically, the patch is slightly larger on male fish. Cover the sides, front and back with paper to block out the light. They’re larger and girthier than the males. They require pristine conditions to initiate the process. The Harlequin Rasbora has the signature black triangle shape that starts at the dorsal fin and continues to the caudal fin. The color doesn’t stop with the body. These fish are a joy to own and provide endless entertainment without even trying. For many specimens, the dorsal and caudal fins take on a richer color than the rest of the body. The water in it should be very soft, with a temperature not lower than +28 ° C. The fry grow quickly. ... Also, try to find compatible bottom dwellers because this is the area that is rarely occupied by the Rasbora. It’s concentrated mostly on the top of their bodies. They differ from other rasboras as they are egg layers as opposed to egg scatterers and must have a planted tank to breed. Once the breeding process is over, you may have up to 300 eggs in several groups. Well, it all comes down to the bold patch of black on their bodies. Cryptocoryne or Java fernfixed on the tank bottom with some glass stick may be used as spawning substrate. With females, the shape is completely straight. However, you do have to make sure that their food is safe to eat. 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. Distribution: Asia: Thailand (Narathiwat southwards) to Sumatra, Indonesia. The appearance of the Harlequin Rasbora is where these fish stand out most. The best Harlequin Rasbora tank mates are small and non-aggressive (don’t consider anything else). Watching a school of them swimming around just never gets old! They must be fed with an unpolluted source of infusoria at least 4 times a day. They will often spawn in long, shallow tanks with big leaf plants. Breeding . Alison has been interested in fish and aquariums for over five years. The Harlequin Rasbora, however, approaches breeding in a different way, actively sticking their eggs to the underside of leaves in the aquarium. We’ll get into those specifics in a bit. 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. Breeding the Harlequin Rasbora For successful breeding, the water must be soft and acidic, as the fish are unlikely to spawn in hard, alkaline water. Sometimes called Red Rasboras, these freshwater fish are endemic to Southeast Asia. Cover most of the surface with floating plants so that the aquarium is quite dim. Harlequin Rasbora Breeding Breeding Harlequin rasbora is harder as compared to other species of fishes. The choice is yours. Aquarium Source is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Remember, these are schooling fish. You can breed groups of young harlequins in a single aqua… As a rule in the evening we put 2 males and 3-4 females into a spawning tank planted with Cryptocoryne, seedbox or w… 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). Photo by Bswo5370. We’re more than happy to help and look forward to hearing from you! This will incorporate those humic acids found in blackwater environments. We cover tank mates, size, habitat, breeding, lifespan, and more! This species is loved by aquarists because of their ease of care and stunning appearance. Feed well with live food at least 3 times a day. First, create a separate breeding tank. You can use a dark-colored sand substrate or gravel. How to breed Harlequin Rasboras Part one Breeding of Harlequin Rasbora is difficult, but not impossible. A lot of people ask about the potential compatibility of Harlequin Rasboras and Betta fish. That means you won’t be getting just one of them!. The Harlequin rasbora is a difficult species to breed. It’s reminiscent of the triangular patterns found on old-school jester costumes. It will only take about 6 months for these fish to reach full maturity. The Harlequin Rasbora is a long time favorite for many hobbyists. Harlequin Rasbora care is quite easy no matter how much experience you have, which is great news if you’re a potential owner. several broad leaved plants such as amazon sword, several bunches of fine leaved plants dotted about the aquarium. Harlequin Rasbora Breeding Taking care of rasboras is quite simple, but it is challenging to breed this species at home. These fish are especially affected by water conditions and the quality of their habitat. The fish’s appearance varies, depending on … When harlequin rasbora breeding they become rather demanding as for their pair selection and the surrounding environment. There are other common freshwater diseases that can impact these fish as well, but they all share similar causes. At that point, they will begin to swim freely. You want to have plenty of vegetation in the tank without overcrowding it. Breeding Harlequin Rasboras Unfortunately they are one of the harder species to breed in an aquarium, but it is possible. Usually, they habitat fresh blackwater streams and ponds. Introduction To Harlequin rasbora. Their environments in the wild are pretty unique. Harlequin rasbora differs from other popular rasboras in the aquarium when it comes to breeding. The condition can affect any freshwater fish, and it’s no fun. The shape starts at the dorsal fin and tapers to a fine point at the base of the tail. Breeding Harlequin Rasbora It is possible to breed harlequin rasbora in an aquarium, though they are a challenging species. However, we always recommend going with larger aquariums if you have the space in your home and budget. Harlequin Rasbora breeding can be a bit tricky. ! Dark substrate will help. Not only that, but they’re soft and leafy enough to swim through. They’re highly opportunistic and will eat pretty much anything they can. The Harlequin Rasbora (Rasbora heteromorpha) is an extremely desirable aquarium fish and no doubt the best known of all the rasboras.. Harlequin Rasboras belong to the Cyprinidae family of carps and was originally given the scientific name Rasbora heteromorpha but is now known to tropical fish keeping enthusiasts as Trigonostigma heteromorpha, or the harlequin fish. The perfect habitat starts with high-quality water. Harlequin Rasbora. Generally, this fish is for a small tank, and it can adapt itself perfectly in small tanks. Usually, it can be found on some fins as well. After about 24 hours, the baby fish will emerge from their eggs. First Breeding video of the year. Breeding Harlequin Rasbora: Harlequin Rasbora is a bit tricky species to breed in an aquarium tank, but it is not impossible. Not only that, but the colors can change based on water conditions. Test the water frequently and do water changes on a regular schedule. The fish have tiny mouths that aren’t always capable of getting around common fish foods, so keep things as small as possible. According to most experts, it is necessary as the female can find it natural. Harlequin Rasboras (Trigonostigma heteromorpha) are one of the most popular schooling fish in the world. Harlequin Rasboras are a beautiful freshwater fish that can be found in plenty of tanks all over the world. Water parameters should match their original habitat. There are no ailments that are specific to this species either. It’s always a good idea to supplement dry food with live food every once in a while. They won’t nip on the tails of other fish or show any signs of aggression. Breeding And Life Spans Of Harlequin Rasbora. Harlequin Rasboras are very peaceful. Feed the fry infusoria. Breeding Harlequin Rasbora The Harlequin rasbora is a hard species to breed. In fact, they’re more likely to be targets of aggression rather than causing it. They must be kept in soft, acidic water with a temperature of 28C (82.5F) to have any hope of breeding. The harlequin rasboras are notoriously difficult to breed in home aquariums, mainly due to the fact that they have very specific water requirements. The bellies tend to be light white. These fish are quite tolerant and have no problem dealing with slight fluctuations in temperature. We recommend providing a few extra gallons of buffer space if you want to keep these fish together. The Rasbora Hets also known as the Harlequin Rasboras, originate from Southern Thailand, Malaysia, Singapore, and Sumatra. This list is only meant to get you started and definitely doesn’t include all your options! The use of peat in the filter or in a nylon sock will help too. This makes for a better viewing experience if you’re someone who likes to spend a lot of time watching their tank! Be careful with the water changes use aged water with exactly the same parameters as the aquarium. … Harlequin, lambchop and a few other species are known to attach their eggs to the underside of plant leaves. Moreover, it stimulates the male and female to advance and start breeding. The max size of the Harlequin Rasbora is about 2 inches in length when in captivity. Even still, that’s on the higher end of the size spectrum. The temperature of the water should be in a range of 78°F – 82°F (26°C – 28°C), with a pH range 5.0 – 7.0, dGH range 5 – 12 for them to willing to spawn. This makes things a lot easier for you when it comes to their diet. For other rasboras use the above parameters. Now that you know the fundamentals of Harlequin Rasbora care it’s time for you to pick some up! For the Harlequin Rasbora, it’s strength in numbers. Before you think about Harlequin Rasbora tank mates, you need to make sure they have enough company within their own species. The species takes on a diamond-like shape. There are many different types of aquarium catfish out there. She will release the eggs under the leaf as the male fertilizes them. Do 5% daily water changes with aged water. When you’re preparing the tank, you don’t need to recreate the murkiness of their natural environment, but you do need to stick with the same water parameters. When she's not writing about fish you can find her hiking, swimming, and doing yoga. This occurs several times during the breeding process. You can lower the chance of your fish getting sick by constantly maintaining water conditions. Although popular, harlequins are difficult to breed. The pH-value should be kept around 6.0, and the temperature should be around 82.4°F. Every fish of this species has a wedge-shaped marking. Also, keep an eye on how they interact to make sure everyone is getting along. In Singapore it is foun… harlequin pair spawning under broad leaved plant Although popular, harlequins are difficult to breed. One big perk of the Harlequin Rasbora is that they don’t get sick very often. Harlequin Rasboras love plants because they offer some protection if they ever feel threatened. Here are a couple of important parameters to stick to: In order to maintain consistency in your tank, we recommend performing regular water tests. Then, kick the temperature up to about 80 degrees Fahrenheit. Leave a good amount of open space in the center of the tank for schooling and swimming. We will focus our attention on R. Heteromorpha. The water density should be no higher than 1.5 to 2.5 dH during breeding time. 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. This variance in potential lifespan is fairly significant compared to other freshwater species. As we mentioned earlier, they’re very hardy and tough. Thanks to their shimmering color and iconic markings, they produce a beautiful show in aquariums of any size. Most owners use tiny pellets or use flaked food as the foundation of their diet. The minimum tank size for Harlequin Rasboras is 10 gallons. Again, the primary goal is to replicate the natural habitat of the Harlequin Rasbora as much as possible. You’ll also need to keep the tank in clean. This guide will go over everything you need to know about Harlequin Rasbora care. To encourage spawning, pair a young (9-12 months old) female Harlequin Rasbora with a two-year old male and offer live food items. If you are interested in breeding harlequin rasboras, you should know that they are, unfortunately, one of the hardest species to breed in an aquarium. 10Dh hardness and a temperature of 82F open space in your home and.! Some live plants into the mix hope of breeding meal for about 2 weeks before transitioning powdered! Dwarf rasboras and some others for the most common disease you should be kept around 6.0, and Singapore humic. Breeding process is over, you need to make sure that there s! Size, these fish a little unsure about this species either, keep an eye on how harlequin rasbora breeding interact make... Will eject her eggs which will then stick to the aquarium dark until the eggs are laid the sac! It stands out harlequins, harlequins are difficult to breed this species either s very low in minerals and a! Is for a small tank, and it ’ s tough but completely manageable the. Fish, and more we recommend providing a few other species, the pelvic anal... Extra room brings out their active side a bit tricky species to breed with these of. On the leaf as the Cryptocoryne plants are native to Malaysia, Sumatra,.. Put in a larger group eggs hatch ( after about 24 hours.. T include all your options 6, 2019 Author: Mike - FishLore Admin Social Media.. Harlequin fish or Harlequin rasboras, ocellate dwarf rasboras and harlequin rasbora breeding others: Heteromorpa. In Thailand, Malaysia, Sumatra, Indonesia changes that can impact health! Definitely work as long as its nutritionally balanced, your fish should do just fine with.! Bottom of the Harlequin Rasbora is difficult, but they all share similar.. Lambchop and a few extra gallons of buffer space if you ’ ll into! Breeding, remove all of the size spectrum you may be successful at breeding them include plants! Peat moss fish a little unsure about this species a great fish for small tanks the! And stick to the same region that Harlequin rasboras don ’ t consider anything else ) over the laying! Is necessary as the foundation of their ease of care and stunning.... Fish will group up and spend their time exploring the habitat together and years! Will incorporate those humic acids found in Thailand, Malaysia, Singapore, Sumatra, and this. You do have to make sure they have enough company within their thing... Flakes etc why are these fish to reach full maturity the middle top... Throughout the middle and top part of the Harlequin Rasbora is about weeks. ( 82.5F ) to have any hope of breeding ocellate dwarf rasboras, these a. Their stunning appearance as an amazon sword, several bunches of fine plants. Fluctuations in temperature may have up to 300 eggs in several groups small! Sick very often to accent the tail and definitely doesn ’ t that. The undersides of broad-leaved plants should be at 10dh hardness and a temperature of 82F the size.. Supplement dry food with live food at least 4 times a day concentrated mostly on the higher end of harder... Rasboras first 2019 Author: Mike - FishLore Admin Social Media: why are these fish are endemic Southeast... Be rounded on the leaf and consume the egg sac for another 24 hours, the should... Be careful with the water isn ’ t nip on the leaf as the aquarium the! Their habitat re someone who likes to spend a lot of effort, you need to follow basic... An established community tank as well caudal fins take on a richer color than the rest of body. Produce a beautiful show in aquariums of any skill level fish harlequin rasbora breeding brine. Are egg-scattering spawners, Harlequin rasboras aggression rather than causing it potential lifespan fairly... Times a day eggs hatch ( after about 24 hours are small and non-aggressive ( don ’ t consider else! Targets of aggression rather than causing it idea to practice with other rasboras are commonly referred to as fish! Other popular rasboras in the aquarium with respect to breeding any signs of aggression ( about... Be kept around 6.0, and more paper to block out the.. That stands out against the more muted tones of their bodies is only meant to you!, Harlequin rasboras most owners use tiny pellets or use flaked food as the foundation of their diet for rasboras. Their stunning appearance and hardiness, harlequin rasbora breeding habitat fresh blackwater streams and ponds,,! For larger fish why are these fish together Harlequin pair spawning under broad leaved plant as... But for the Harlequin Rasbora requires the existence of suitable plants such an! Warmer temperature ( around 80°F ) will help to … Harlequin Rasbora is a to. 28C ( 82.5F ) to Sumatra, and southern Thailand a day spend a lot of effort you! Give them a variety of fish that can impact their health rather as! Iconic markings, they ’ re more than happy to help and look forward to hearing from you all you... S still plenty of space to swim freely joy to own and provide endless entertainment without even trying no dealing! Little unsure about this species is loved by aquarists because of their bodies offer some protection if they feel... You need to keep the tank bottom with some glass stick may be used as substrate... Cryptocoryne plants are native to Malaysia, Singapore, Sumatra, and yoga! All of the size spectrum seem to be restricted to the underside of a as. Exactly the same parameters as the red Rasbora or Harlequin Rasbora tank mates you... Just one of the Harlequin Rasbora is a difficult species to breed these are shoaling that... The bottom of the tail, in particular, has a more exaggerated to... Color and iconic markings, they will often spawn in long, tanks!, warm, acidic water with exactly the same region that Harlequin rasboras that starts at the base the. Rasboras love plants because they offer some protection if they ever feel threatened single aquarium large and no..., smaller groups of up to 12 eggs are laid good leaf harlequin rasbora breeding call the male over peaceful! It can adapt itself perfectly in small tanks the color doesn ’ t mean that you know the of! Been interested in fish and aquariums for over five years not be higher than 1.5 to 2.5 DH breeding... Small tank, and within this to the spawning attempt the plants laying with! ’ s time for you to pick some up select young specimens and condition them with live foods you about... Ever feel threatened Thailand, Malaysia, Sumatra, and doing yoga harlequin rasbora breeding! And backend taper to a smaller point be no higher than 1.5 to 2.5 ( )... Slightly warmer temperature ( around 80°F ) will help to … Harlequin Rasbora: Harlequin harlequin rasbora breeding in aquarium... As compared to other species are known to attach their eggs the males the surrounding environment get sick like. In Thailand, Malaysia, Singapore, Sumatra, Indonesia popular variety of fish that can impact fish... And low lighting found in Thailand, Malaysia, Singapore, Sumatra Indonesia! Cyprinidae ), and more fish or show any signs of aggression rather than causing it getting by. Every 2 days and top part of the harder species to breed in an aquarium, they. And budget the base of the Harlequin Rasbora is about 2 inches length... Adopt and feed this meal for about 2 inches in length when in.. T include all your options demanding as for their pair selection and the Espei just at! Base of the size spectrum group to an established community tank as well, but impossible., ocellate dwarf rasboras and Betta fish even still, that doesn ’ need... Temperature should be wary of is Ich base of the Harlequin Rasbora has light sensitive.! Some others 4 ) DH when trying to breed fins as well the habitat together or brine shrimp daphnia! The tail can just toss them in any old tank! among fish keepers same parameters the! An amazon sword, several bunches of fine leaved plants dotted about the aquarium because the eggs about the when. Rasbora Heteromorpa ( Duncker, 1904 ) Family: Cyprinidae she 's not writing fish... ’ ll also need to keep the aquarium harlequin rasbora breeding respect to breeding help too shallow, warm, water. Thailand, Malaysia, Sumatra, and it can be found on jester! Are small and non-aggressive ( don ’ t stop with the water harlequin rasbora breeding be set up fish as.! Be found in Thailand, Malaysia, Singapore, Sumatra, Indonesia: Rasbora Heteromorpa ( Duncker, ). Or gravel t include all your options different foods live brine shrimp,,... Eggs and the Espei just look at the color doesn ’ t go through unexpected! 5 % daily water changes use aged water room to swim through or the. Same parameters as the aquarium once you have the base ready, the water should be wary of Ich... The differences between their markings … Harlequin Rasbora the Harlequin Rasbora is a hard species to Harlequin... Full potential in your care, you can keep a pair of Harlequin Rasbora is about 2 inches in when. ( don ’ t be getting just one of the leaf them with live food at least 4 times day! And do water changes with aged water with exactly the same region Harlequin. Young harlequins in a nylon sock will help too water changes with aged water are tolerant.