These fish have a black patch that stretches from their caudal to dorsal fins. Some people choose to filter the water over peat to replicate acidic conditions found in the wild. The harlequin’s body and sharply forked tail fins have a red tint. The following tank mates are suitable for Harlequin Rasboras: Tiger Barbs;; Neon Tetra;; Guppies;; Discus Fish;; Tetra Fish;; Molly Fish; Loaches;; Rainbow Fish; But it is not advised to settle them with cichlids or goldfish or Angelfish since these species will perceive it exclusively as food.. Det er en mindre fisk, så hold den med […] Sergey is a founder and author of Meethepet.com. Basically, they are opportunistic and will eat anything that comes their way. Due to their adult growth size of up to two inches, about five rasboras can be kept in a ten-gallon tank, which is the minimum tank size you should consider. Harlequins are colorful and come in black and red hues. Harlequins are one of … Trigonostigma heteromorpha) is a small, peaceful and good-looking tank fish. Also, include plenty of live plants, rocks, and driftwood. 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. Dette er en flott fisk for en mindre størrelse samfunnstank, og det er i fred med de fleste. Most species of rasbora only grow to a couple of inches in length and given adequate care can live for up to ten years. 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. Harlequin Rasbora Tank Mates. Fiskehobbyister elsker harlequin rasbora-den har en vakker metallisk farge og det er lett å ta vare på. The soft, acidic water and low lighting of blackwater aquariums are perfect for harlequin rasboras. They are an extremely peaceful and hardy species of fish and are an excellent choice for most community aquariums. I have a pretty newly cycled tank. What are your favorite live plants to add to your aquarium? It’s recommended to keep harlequin rasbora in planted tanks with plants belonging mainly to South Asia region. If that is not your goal, then the harlequin may be the fish for your tank. This means you’re free to pick other similar fish to keep as tank mates. As for the tank length-width-height – these are not important parameters for the fish, however, taking into account live tank plants which I do recommend to put into tank, than its width and height are better to be equal to 40-45 cm (15,75-17,72 in) and its length depends on the tank capacity you have chosen. Looking for compatible tank mates for harlequin rasboras other than labyrinth fish, loaches, and slimmer rasboras. As a rule in the evening we put 2 males and 3-4 females into a spawning tank planted with Cryptocoryne, seedbox or water hawthorn. Juveniles are lighter in color and darken as they mature. When harlequin rasbora breeding they become rather demanding as for their pair selection and the surrounding environment. Harlequin rasbora appearance. Harlequin Rasboras are extremely attractive fish with silver and orange bodies and a signature black portion near the tail. So, taking into account small number of tank mates, tank bottom substrate and decorations, you can buy 60-80 liters tank (15,85-21,13 gal) for a school of 10-15 fishes. After seven to 14 days, you can introduce newly-hatched brine shrimp. On the males, the patch is larger and slightly rounded at the bottom edge, whereas the female’s wedge tends to be straight. The harlequin rasbora is an excellent choice of fish for someone new to keeping an aquarium. Photo by Morgan Lundh. Lifespan is about 3-4 years. They can be timid and should not be mixed with nippy tankmates. If juveniles either swim in a big school, or drift away around the tank to find something to eat; when getting older they try to get more honorable according to the school hierarchy place and attract the attention of the opposite sex species. If you have chosen harlequin rasbora as a “main” fish in your tank, buy a school of at least 10 species – this way the fish will show its best sides in a tank. Keeping a lone individual harlequin in a community tank will not serve any purpose. For more information, please check our, Using Indian Almond Leaves in Your Aquarium, Lemon Tetras: an Aquarium Staple and Delight, Getting Systematic – The 10 Best Genera of Beginner Aquarium Plants. But they do not just have great looks. Water in harlequin rasbora habitat is soft, but considering the fact that the fish has been popular in aquarium husbandry for quite a while, then their tank water chemical composition has no crucial significance. From dozens of eggs only several juveniles can be obtained. Juveniles are timid and they prefer to stay in the shadow of the tank plants. In addition, they tend to show off brighter colors and more exciting behaviors when in larger groups. Somewhat shy on its own, the fish are quite active in a group, spending most of their time in the middle to upper levels of the tank. The waters of these streams have low mineral content and high levels of humic acids due to flowing through peat swamps. The species also tolerates a wide range of water chemistry conditions. 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. Harlequin Rasboras make excellent tank mates for bettas. 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