They both survive in the same conditions, and their peaceful natures and quick speed make it unlikely any hostility will break out between the two species. The Harlequin Rasboras could be best friends with the gourami because they not only come from the same countries in South East Asia but can also survive in the same water temperature and conditions. The most distinguishing feature of the harlequin is the triangular patch on the hind side of the body. They can be timid and should not be mixed with nippy tankmates. So, don’t overcrowd their tank. Harlequin rasboras are a striking reddish/orange and silver color, with the males being more vividly colored and the females more subdued. In the wild, the harlequin rasbora lives in freshwater streams of Malaysia, Singapore, Sumatra, and the southern portion of Thailand. Photo by Morgan Lundh. On the males, the patch is larger and slightly rounded at the bottom edge, whereas the female’s wedge tends to be straight. Harlequin rasbora (lat. Harlequin Rasbora Tank Mates: Harlequin Rasbora is a shoaling fish, you need to keep them in a group of 8 to 10 at the least. These fish have a black patch that stretches from their caudal to dorsal fins. Harlequin, lambchop and a few other species are known to attach their eggs to the underside of plant leaves. When the breeding is complete, take the adults out of the aquarium. These water conditions not only impact the likelihood of the fish spawning but can also affect the viability of the eggs. The fish was first brought to Europe from Singapore in 1907. As an Amazon Associate we earn from qualifying purchases. The harlequin’s body and sharply forked tail fins have a red tint. Fishtankadvisor.com 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. The waterlogged soils of these forests inhibit the complete decay of leaf litter and result in the formation of peat, which leaches humi… Rasboras are excellent community tank mates. Also known as the red rasbora, the harlequin can survive in a wide range of water conditions, both in temperature and chemistry, making it very forgiving for someone new to keeping fish. As long as you keep the tank clean, the water parameters are less critical. At that not only the male can do this, the female ones also can but more seldom. Each side of body has a velvet violet triangular-shaped mark on it; it starts from the middle of its body and reaches its fluke. Reverse Osmosis Deionization: 5 Top Rated Filtration Units, Freshwater & Brackish Puffers: How to Properly Keep them in Your Tank, Natural pH Control in a Freshwater Aquarium: a Practical Beginners Guide, A Comprehensive Guide to Finding the Right Chiller for Your Aquarium. It is very easy to take care of Harlequin Rasbora because it is not a picky eater and it is a hardy species. Prepare a separate tank with the water temperature at the higher range of tolerance (82.4°F or 28°C). The female does this until she lays all the eggs. Several kinds of simple cryptocryne will do quite well. In the wild, they eat insect larvae, plant detritus, and other small fish eggs. Keep the water temperature at 82.4°F (28°C) during this time. Check to see if your breed of rasbora has light sensitive eggs. Remove any leftover food to prevent excess decay in the tank and keep it clean. Most species of rasbora only grow to a couple of inches in length and given adequate care can live for up to ten years. Feeding is quite simple since the fish isn’t a demanding one. Since the fish is rather peaceful, you can keep it with any fish as long it’s not large and not a predator. When harlequin rasbora breeding they become rather demanding as for their pair selection and the surrounding environment. The live plants will give areas for your fish to shelter. Since we’ve chosen large kinds of Cryptocoryne, then the plants layer near the back tank wall will be about 10 cm thick (4 in) and to create some perspective effect let’s make a small incline to the front tank wall, where the plants layer will be about 2-3 cm (1 in) thick. Minimum Tank Size: 10 gallons; 4. She will lay anywhere from six to twelve eggs as time, while the male fertilizes them. Harlequin Rasbora and Betta: Calm Tank Community Leave a Comment / Tank Mates / By Alison Page Many people think that male bettas are so aggressive that they must live a solitary life. Scientific Name: Rasbora heteromorpha Common Name: Harlequin Rasbora Adult Size: 2 inches Life Expectancy: 5-6 years Habitat: Southeast Asia on the Malay Peninsula throughout western Malaysia and southern Thailand as well as Singapore Minimum Tank Size: 10 gallon Ideal Tank Conditions: Temperature Range: 72-77° F pH Range: 6.0 - 6.5 Cover most of the surface with floating plants so that the aquarium is quite dim. Fishtankadvisor.com does not intend to provide any kind of veterinary suggestion. The Rasbora Hets also known as the Harlequin Rasboras, originate from Southern Thailand, Malaysia, Singapore, and Sumatra. Harlequin rasboras are great shoaling fish that will suit the neon tetra-populated tank perfectly for many reasons. The eggs then float up and stick to the underside of the leaf. As a shoaling fish, it adds interest and movement to the tank’s middle and upper levels. For example: cardinal tetra, neon tetra, black neon tetra, dwarf gourami, opaline gourami, betta. In addition, they will not nip at or prey on other species in your tank. Small amount of fluctuant in the tank is a plus, for example, water lettuce; the fish feels more comfortable in its presence. They are an extremely peaceful and hardy species of fish and are an excellent choice for most community aquariums. Harlequin rasboras aren’t easy to bother, and, in turn, they tend to stay out of everybody else’s way, too. However, you can avoid many of these problems with proper maintenance of the tank and a healthy, varied diet for your fish. The harlequin rasbora is a native of Malaysia, Singapore, Sumatra, and southern Thailand. However, through the years he’s had experience of keeping almost all types of freshwater fish and shrimps. Clown Rasbora. Lifespan is about 3-4 years. Below in this article you’ll find out how to keep it, care about it and about breeding. As with most fish, they thrive on a diet with some variety, including live foods, such as Daphnia, mosquito larvae, and brine shrimp. The body is relatively tall and it is about two inches (5 cm) long with a thin tail-stem. He’s been fond of aquarium husbandry since his early childhood. It can be fed with all types of live and dry feed. ... Harlequin Rasbora. 1,2,3, go! Most rasbora species kept by aquarists are egg scatterers that distribute their eggs among plants and provide no parental care. The list below contains a short overview of the 20 best platy fish tank mates. Harlequin Rasboras make excellent tank mates for bettas. Keeping a lone individual harlequin in a community tank will not serve any purpose. Rasboras are excellent community tank mates. Then, condition the breeding group with a diet containing increased amounts of live foods, such as Daphnia or mosquito larvae. For breeding purposes, the temperature needs to be warmer, at about 82.4°F (28°C). Although popular, harlequins are difficult to breed. The Harlequin Rasbora is one of the more popular species of Rasbora found within the aquarium hobby. But remember, it is an active swimmer, so sometimes too many Rasboras in a Betta tank can lead fighting because both Rasbora and Betta are active swimmers, and fight can be the reason of less space. Keep the water soft and acidic, with a hardness of 4 dGH and a pH of 6.4. Protein Skimmer: Ultimate Buying Guide plus 11 Reviews. To further direct her to a suitable location, the male may nudge her sides or rub her back with his belly. Sergey is a founder and author of Meethepet.com. Add live plants, such as Cryptocoryne or Aponogeton. Your tank setup should contain areas of thicker, live aquatic plants, such as Cryptocoryne or Aponegeton. 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