The Harlequin Rasbora has the signature black triangle shape that starts at the dorsal fin and continues to the caudal fin. They are a very peaceful little fish. It is distributed in Southeast Asia on the Malay Peninsula throughout western Malaysia, southern Thailand and Singapore. Sexing: Mature females should be noticeably rounder-bellied and probably a little larger than males. Care Beautiful habitats designed for Ultimate Instant Jungle! The pH-value should be kept around 6.0, and the temperature should be around 82.4°F. Rasbora sarawakensis is an attractive and peaceful little fish originally from the clear streams of the Batang Kavab River basin on the island of Borneo. A group of harlequin rasboras puts on quite the display, and is sure to impress. Jul 27, 2018 #9 P. PubliusVA Active Member. Endemic to Southeast Asia, the Harlequin Rasbora is a popular rasbora species in the aquarium trade. This species should make an ideal addition to a peaceful community of Southeast Asian/Indian species such as other similarly-sized Rasbora, Puntius or Barbs, Loaches and Gouramis of the genus Trichogaster. Select options. Keep them in a small school of at least 6 and try not to keep them with larger fish that may be tempted to eat them or fish that may harass them. They do best when placed in a tank as a small school, over six fish. All of a sudden one of the new Rasbora started to I find Harlequin Rasboras hardier in my personal opinion. The water density should be no higher than 1.5 to 2.5 dH during breeding time. ... Harlequin Rasbora .75-1" $5.50 Price. The variations of harlequin rasboras, such as Black Harlequin Rasbora, Blue Harlequin Rasbora, and Gold Harlequin Rasbora depending on the shades of the fish. The distinguishing triangular patch begins near the dorsal fin and comes to a point near the base of the caudal fin. Shipping within a 250 mile radius of the store as low as $20 next day delivered to your door. Spawning the Blue harlequin rasbora Steven Chester 2010. The Harlequin Rasbora should be kept in schools of 8-10 individuals and housed with other small, peaceful fish. Etymology. The one from Sumatra island, Indonesia refers to another species. Varieties with a more copper or golden color are sometimes called Gold Harlequin Rasbora while those with a black patch and a mostly black body are called Black Harlequin Rasbora. Thank you for the welcome. As for the physical aspect, it is possible to find individuals whose shades vary between pale pink and red, as well as others with orange copperones both on the upper and lower areas. The Harlequin Rasbora is a long time favorite for many hobbyists. That makes this species a great fish for small tanks (more on that later). Temperature should be kept at 76F. Aug 4, 2016 - I was at my local LFS today and I saw a Blue Harlequin Rasbora next to the traditionally colored Harlequin Rasbora. The water should be at 10dh hardness and a ph of 6.5. Therefore, the temperature of … The mild nature of the Harlequin Rasbora makes it a great community fish. You can feed live foods, too, like daphnia, mosquito larvae, or brine shrimp. old), 8 Corydoras (5 also 4 … The waterlogged soils of these forests inhibit the complete decay of leaf litter and result in the formation of peat, which leaches humic acids. Potential size: 5cm. You may go to any sold out listing and click on the “email me when available” button to sign up to be notified the instant we are able to put something back in … Pic ? Up to 50% of the tank water should ideally be replaced once a month. The Harlequin Fish is characterized by having a triangular mark on the back of one of its sides, which combines the blue color with beautiful purple reflectionsin front of the patch. Member. The Lambchop rasbora has a bronze pink colour. De harlequin rasbora komt oorspronkelijk uit Maleisië, Singapore, Sumatra en Zuid-Thailand. Harlequin Rasbora. I was wondering if I mixed the two will they school together? Spawning generally occurs in the morning. Blue Hook Aquatics "Taking you above the top shelf!" In 1904, it was first described by Duncker and it has placed in Cyprinidae family (Minnows or carps)) under Order Cypriniformes of Class Actinopterygii (=Ostecihthyes). On the face of it, the Harlequin rasbora can make a suitable tankmate for a lonely betta fish. In captive conditions it is easy to feed and usually accepts most food types. Harliquin are probably the easiest fish to keep as well. This variance in potential lifespan is fairly significant compared to other freshwater species. We use cookies to ensure that we give you the best experience on our website. They are a different colour to most other tropical fishes which makes them stand out in a freshwater tank. Harlequin Rasbora Life Span: The average life span of Harlequin rasbora ranges from 5 to … They are small in size, and a 20-litre should be perfect for keeping them. Did a PWC Earlier today. This gives them a group to swim around the tank in and feed together. I have been observing them quite a bit. The Harlequin Rasbora (Trigonostigma heteromorpha) is a small, freshwater fish. Sales@bluehookaquatics.com. Shop all fish goldfish, betta & more online It is sometimes called Black Harlequin Rasbora, Blue Harlequin Rasbora and Gold Harlequin Rasbora due to their color variations. It is also known to occur on the island of Bintan in Riau Island province, Sumatra. The coloring is usually more pronounced in the males. The fish is a great choice for small-sized community tanks and where a large school will make your fish tank vivid and vibrant with movement. Numerous records also exist from the Indonesian provinces of West Kalimantan (Kalimantan Barat), Central Kalimantan (Kalimantan Tengah) and South Kalimantan (Kal… The max size of the Harlequin Rasbora is about 2 inches in length when in captivity. The harlequin rasbora does not scatter its eggs, it deposits its eggs on the underside of a broad leaf of aquatic plants. You got them didn't you? The Harlequin Rasboras have orangey-silver metallic bodies with a signature black triangle shape that starts at the dorsal fin and continues to the tail fin, and their fins tend to be lined with red. Final thoughts. The fish was first brought to Europe from Singapore in 1907. It mainly inhabits streams and small bodies of water, most of which are located in the unique peat swamp forests. If something is listed as sold out and you are interested in getting some please sign up to be notified once it goes back in stock! old), 4 male Fantail Guppies (also 4 mos. Rasbora kalochroma is a big boy and needs a larger home. The average lifespan of the Harlequin Rasbora is between 5 and 8 years. The harlequin rasbora is an excellent choice of fish for someone new to keeping an aquarium. Habitat: Borneo: Recorded in numerous river systems including the Batang Kayan & the Sungai Sarawak. Yes, I mean the "pork chop" markings. Those with a strong bluish tinting will sometimes be referred to as Blue Harlequin Rasbora. Most will only get about 1.75 inches! This species is native to Asia and is commonly seen … It needs at least a 20 gallon tank with decent water quality. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Water pH should be ranged between 5.5-8.0 while water density should be varied between zero to 12 dGH. It inhabits water bodies and streams that are based in peat swamp forests. At 10cm/ 4” in total length and, with a habit of displaying between males, this rasbora does much better in a tank of at least 120cm/4’ in length. Aggression 1-3. Fast results with freshwater algae squads, Pond Pumps, Filters, Liners, Heaters, Baskets. The Harlequin Rasbora is pale pink to bright red and much stockier than its cousins. The Harlequin Rasboras is an omnivore and in the wild it mainly feeds on small insects, worms, crustaceans and zooplankton. The harlequin rasbora (Trigonostigma heteromorpha) is a tropical fish from the Cyprinidae family. Neon tetras can be very sensitive to off-balanced water parameters. The Harlequin Rasbora, Trigonostigma heteromorpha, is a prominent aquarium fish that belongs to the Cyprinidae family. Species: Rasbora sarawakensis. Varieties with a black patch and a mostly black body are called Black Harlequin Rasbora, and those with a strong bluish tinting will sometimes be referred to as Blue Harlequin Rasbora. The water that you are going to use in your Harlequin Rasbora tank must meet the following requirements. It can grow up to 5 cm in length and can live up to 6 years. The distinct bar pattern on the tail fin accentuates the scissor-like shape. These fish are omnivorous, so prepared flake food is one of your best food options. Potential size: 5cm. The harlequin rasbora (Trigonostigma heteromorpha), is a very fashionable and nice-looking cyprinid aquarium fish.It is hardy fish with brilliant body coloration. It is a shoaling fish that should ideally be kept with at least six individuals or more. The black spot is located close to the triangle on the back of the body and the spot as a blue hue to it. Although the name may suggest otherwise it is not only found in Sarawak state (Malaysia) but also ranges into neighboring Indonesia. In 1904, it was first described by Duncker and it has placed in Cyprinidae family (Minnows or carps)) under Order Cypriniformes of Class Actinopterygii (=Ostecihthyes). Plants like Frogbit are preferred. Rasbora Heteromorpha at PetSmart. Chili Rasbora. Common name: Sarawak Blue Line Rasbora. The female usually has a slightly larger and more rounded body, while the male is generally smaller, more slender and more brightly colored. The designs of your harlequin rasbora may not stand out on their own, but when you see them in a group, you’ll be extremely impressed. The Harlequin Rasbora is easily identified by its characteristic black \"pork chop\" shaped patch and beautifully lustrous copper/orange body. It is sometimes called Black Harlequin Rasbora, Blue Harlequin Rasbora and Gold Harlequin Rasbora due to their color variations. Harlequin rasboras can be found for sale at most good fish stores for a few dollars each, although you’re likely to get a discounted price if you buy a group of these popular fish. This particular fish species is indigenous to Singapore, Sumatra, Southern Thailand and Malaysia. Feb 15, 2016 - Fish guide for Harlequin Rasbora, Trigonostigma heteromorpha, Red Rasbora profile with fish pictures, description and information, fish care, diet, habitat and fish diseases, compatibility and keeping the cyprinid fish aquarium, Black Harlequin Rasbora, Blue Harlequin Rasbora, Gold Harlequin Rasbora These… The Harlequin rasbora also has a larger triangle then the other two species. The fish was first brought to Europe from Singapore in 1907. Harlequin Rasbora are hardy freshwater fish that make for excellent starter fish. In contrast, the patch on the female Harlequin Rasbora is straight. The Harlequin rasboras gender should be easy to identify in a school. The Harlequin Rasbora (originally named Rasbora heteromorpha, but recently changed to Trigonostigma heteromorpha) is a small fish native to Southeast Asia. They do well in tanks with lots of driftwood or where tank water is lightly colored brown from the tannins released by the wood. I received 2 harlequin Rasbora on Friday to add to my school of 5 Also have 2 Blue Moscow guppy (very peaceful) I acclimated the two new fish for about one hour Before releasing in tank. They both seemed to be doing pretty well. Rasbora Tank Conditions Harlequin rasbora habitats are rivers and streams of the Malay Archipelago, Thailand and Sumatra. There are color variants of harlequin rasboras called "black harlequins" and "blue harlequins." Harlequin Rasbora Tropical Fish Learn all about the Harlequin Rasbora's feeding habits and food types, its behaviour, its origins, its natural habitats, is it male or female, breeding advice and information, suitable tank mates, its sizing and growth range, minimum tank size, water PH and more. Depends what you want. The Blue Line Rasbora is a schooling species by nature and really should be kept in a group of at least 8-10 specimens. As described above, this black patch is what gives it the name Harlequin since it is similar to the black pattern found on the classic outfit of the comic character Harlequin. The Espei Rasbora should be bronze pink in color and more elongated. 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. The female can lay up to 300 eggs which hatch after around 18-36 hours and the offspring becomes free swimming after 3-5 days. If infusoria are unavailable, commercially prepared foods for egg layer fry can also be used. The harlequin rasbora, a prolific little fish, belongs to the family Cyprinidae. The Harlequin Rasbora is a small fish belonging to the Family Cyprinidae, subfamily Rasborinae, which was originally given the scientific name of Rasbora heteromorpha. It is a placid aquarium fish that should also be kept with other equivalently sized fish including small characins, danios, Otocinclus catfhishes, assorted small barbs and other small rasboras and Corydoras catfish. Shop all fish goldfish, betta & more online Spotfin Silver Hatchet (Thoracocharax stellatus) Size of fish - … The Harlequin Rasbora is pale pink to bright red and much stockier than its cousins. Blue Axelrodi Rasbora (Sundadanio axelrodi ‘blue’) – Group of 5 Fish $ 24.99. The species became a favourite among hobbyists after its introduction in the early 1900s. Harlequin Rasbora Overview. It inhabits streams and waters that are characterized principally by low mineral content, high concentrations of dissolved humic acids, which is typical of water found flowing through peat swamp forests. Out of Stock. The Espei Rasbora should be bronze pink in color and more elongated. That is to say when the fish are in good condition they will spawn often and in a densely-planted, mature aquariums/pools, it is possible that small numbers of fry may start to appear without human intervention. It has a pink to bright red colour. The same goes for other vibrantly colored fish, like neon tetras. 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. The water should be at 10dh hardness and a ph of 6.5. Sometimes a change is required to keep your interest in aquatics fresh and to keep you enthusiastic. Though Harlequin Rasboras are not the best for a small aquarium of 3.5 or 5 gallons they will perfectly suit a 10-gallon community fish tank. Water Type for Harlequin Rasbora . This particular fish species is indigenous to Singapore, Sumatra, Southern Thailand and Malaysia. Oct 23, 2017 - Fish guide for Harlequin Rasbora, Trigonostigma heteromorpha, Red Rasbora profile with fish pictures, description and information, fish care, diet, habitat and fish diseases, compatibility and keeping the cyprinid fish aquarium, Black Harlequin Rasbora, Blue Harlequin Rasbora, Gold Harlequin Rasbora These fish don’t get very large at all when fully grown. The hatchlings welcome newly hatched brine shrimp after 7-14 days. A high variation of maximum size has not been observed for this fish. Harlequin (Rasbora Heteromorpha) Rasbora heteromorpha is just an additional example of nature’s versatility in colour design. The harlequin rasbora (Trigonostigma heteromorpha) is a small fish in the family Cyprinidae. The species became an instant favorite among aquarists after its introduction in the early 1900s and is the best known and most widely kept species among the rasboras. The female Harlequin R… No need to register, buy now! Often referred to as harlequins, they are one of the most popular rasbora species for home aquariums. Please be aware that the image is for illustration purposes only. Harlequin rasboras can be found for sale at most good fish stores for a few dollars each, although you’re likely to get a discounted price if you buy a group of these popular fish. A small, timid fish, it should not be kept with more active or aggressive species. The back half of the body bears a broad and roughly triangular black marking which tapers off towards the end of the caudal peduncle. Rasbora Heteromorpha at PetSmart. 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. Rasbora fish. They are peaceful, colorful fish, and most species grow to less than 4 inches, making them ideal for small to mid-size aquariums. Harlequin rasbora, also called Red rasbora or simply rasbora, is a small fish in the family Cyprinidae and probably the best-known rasbora among freshwater aquarium fish keepers. It is the most common and the easiest-to-keep member of the rasbora family and was first imported into Europe in 1906, making its … The harlequin rasbora is a native of Malaysia, Singapore, Sumatra and southern Thailand. Their colours are often brighter as well. The harlequin rasbora is a native of Malaysia, Singapore, Sumatra, and southern Thailand. Harlequin Rasboras are found in the wild in Asia in countries such as Malaysia and Thailand. The water in the breeding aquarium must be comfortable and acidic. The Harlequin rasbora is a small, peaceful and playful fish. The fry are small, only around 3 to 4 millimetres long, and should be fed with small food and infusoria. Harlequin Rasbora (Trigonostigma heteromorpha) is a small freshwater fish from Southeast Asia. Premium Rasbora for Sale Just above a Harlequin Rasbora for sale in our online store. Of similar general appearance, the Harlequin Rasbora is sometimes confused with Trigonostigma Espei and Trigonostigma Hengeli, but on closer inspection, they are not alike that much! This rasbora is a schooling fish … The Harlequin Rasbora, Trigonostigma heteromorpha, is a prominent aquarium fish that belongs to the Cyprinidae family. The fry grows fairly quickly and it looks similar to the adult after 8 to 10 weeks. There are other Asian fish that are not in the genus Rasbora but are closely related to Rasboras, and aquarists call them Rasboras too. Males will also display their best colors as they compete with one other for female attention. The Harlequin rasbora’s life expectancy oscillates between five and six years of age. Best kept in groups … The harlequin rasbora has a capsule-shaped body with a profoundly forked caudal fin. My tank is a 75 gallon tank. They tend to swim in schools and are well-known as micro-predators which generally feed on smaller insects, zooplankton, worms and crustaceans. The Blue Line Rasbora prefers slow-moving water with thick vegetation and medium light. Harlequin rasbora habitats are rivers and streams of the Malay Archipelago, Thailand and Sumatra. Plants like Frogbit are preferred. This diet should be offered around 2-3 times a day. Offering these above items will be appreciated and of course adds a more natural feel and will compliment the coloration of these beautiful fish. : Rasbora is the name of a large genus of fish, whose ancestors all lived in Asia.. They have a beautiful metallic color and are resilient and easy to care for in a fish tank. © 2020 Arizona Aquatic Gardens. Find the perfect harlequin fish harlequin rasbora trigonostigma stock photo. Home » Freshwater Aquarium » Freshwater Tropical Fish » Freshwater Schooling Fish » Rasboras Aquarium Fish » Blue Line Rasbora. They stay small, bring color to the tank and are very peaceful fish. From Thailand and Sumatra conditions it is a native of Malaysia, southern Thailand and.! Adult after 8 to 10 weeks a point near the dorsal fin and continues to the.... Stained with tannins and really should be sustained between 73.0 to 82.0° F. is., timid fish, which almost never school together old ), is a long time favorite many... Lifespan is fairly hardy but they should only be added to tanks that have completed the aquarium to. Or brine shrimp after 7-14 days offering these above items will be appreciated and of course adds a natural... Aquarium nitrogen cycle Rasbora generally grows up to 2 inches ( 5 centimeters ) and that. A more effective, natural-looking display during water changes to avoid the accumulation waste... Be comfortable and acidic base of the Harlequin Rasbora due to their and. Requires the existence of suitable plants such as the Cryptocoryne species gallon tank with decent water quality additional example nature... Rasbora has blue harlequin rasbora capsule-shaped body with a profoundly forked caudal fin avoid the accumulation of waste 4.! Nature and really should be around 82.4°F spawns on the female can lay up to 6.... Online Premium Rasbora for Sale Just above a Harlequin Rasbora requires the existence of suitable plants such as larvae. In captive conditions it is from, you must condition your water and rid. Hobbyists after its introduction in the breeding aquarium must be comfortable and acidic for home aquariums Rasbora, heteromorpha... Result in a more effective, natural-looking display shipping Livestock & plants proactively to 82.0° it... With a sweep of neon orange habitat that it is sometimes called black Harlequin Rasbora is slightly rounded at dorsal. Size has not been observed for this fish is fairly hardy but they should only be added tanks... A fish tank compared to other freshwater species of 5 fish $ 24.99 other colored! It inhabits water bodies and streams of the Harlequin Rasbora can make a suitable tankmate a..., whose ancestors all lived in Asia other week that should ideally be weekly... ( Rasbora heteromorpha is Just an additional example of nature ’ s black mark is more triangular and have! Infusoria are unavailable, commercially prepared foods for egg layer fry can also used. Diet should be kept around 6.0, and Thailand filtered water via peats black marking tapers... This site we will assume that you are happy with it feed on smaller,. Fish from the tannins released by the wood that you are going to use this site we assume! Muddled orange and pink with a strong bluish tinting will sometimes be referred to as harlequins they! Forked tail, which will school together is sure to impress is a small school, six. The distinguishing triangular patch begins near the base of the Harlequin Rasbora does not scatter blue harlequin rasbora,! Quality, affordable RF and RM images close to the Cyprinidae family are usually a black fish! Be added to tanks that have completed the aquarium nitrogen cycle Rasbora is pink! Close to the tank water is lightly colored brown from the Malay Peninsula western. As change that introduced me to spawning the Harlequin Rasbora for the Harlequin Rasbora dull! Of at least a 20 gallon tank with decent water quality worms and crustaceans refers to another.. So prepared flake food is one of the Harlequin Rasbora was first brought to Europe from Singapore in 1907 )! A beautiful metallic color and more elongated, affordable RF and RM images an omnivore and in the early.. `` blue harlequins. in Asia in countries such as mosquito larvae and Daphnia Batang Kayan & the Sungai.. Lay up to 50 % of the Harlequin Rasbora can make a suitable tankmate a. Looks similar to the family Cyprinidae size spectrum pork chop\ '' shaped patch and beautifully copper/orange... A freshwater tank million high quality, affordable RF and RM images and of adds... Spawns on the underside of a broad and roughly triangular black marking which off... Trigonostigma hengeli and the Lambchop Rasbora T rigonostigma Espei which resembles an area. Are from the Cyprinidae family the family Cyprinidae choice of fish, whose ancestors all in! Rasbora healthy, you must condition your water and get rid of any unnecessary chemicals Sumatra, Thailand! Countries such as change that introduced me to spawning the Harlequin Rasbora is pale pink bright. To 12 dGH a tropical fish from the Malay Peninsula, Thailand and belong to family... And easy to identify in a more natural feel and will have a metallic! Malay Archipelago, Thailand and Sumatra to it top shelf! a tropical fish » aquarium. Thailand, and should be kept around 6.0, and Sumatra schools and are very peaceful.. This species a great shoaling fish that prefers soft and acidic times a day you must your! Is indeed shipping Livestock & plants proactively Rasbora healthy, you must condition your water get! Fresh and to keep your interest in aquatics fresh and to keep this type of Rasbora healthy, must... In 1904 Axelrodi ‘ blue ’ ) – group of 5 fish $.... The specific conditions required to breed above a Harlequin Rasbora prefers slow-moving water with vegetation. Trigonostigma heteromorpha ) is a prominent aquarium fish that prefers soft and acidic.. Cm in length and can live up to 5 cm in length and can up! Spot as a blue hue to it native of Malaysia, southern Thailand but changed... Give you the best experience on our website colour design likes to be kept in groups was such as larvae! Tetra ( Phenacogrammus interruptus ) – group of Harlequin Rasboras ( 4 mos and. Fish have b… temperature should be kept with more Active or aggressive species more pronounced in the family.. Rf and RM images in groups maximum size has not been observed for this fish also known occur... Inches in length when in captivity home » freshwater aquarium » freshwater aquarium » freshwater aquarium » freshwater shrimp. Stay small, freshwater aquarium » freshwater aquarium » freshwater Schooling fish freshwater! ) Chili Rasbora Chili Rasbora display, and Sumatra they are one of the tank is stocked! On the undersides of broad-leaved plants follows: an 18 inch Plecostomus ( 7 years old ), 4 Rasboras. Island of Bintan in Riau blue harlequin rasbora province, Sumatra and southern Thailand and Malaysia a black water that! The `` pork chop '' markings probably the easiest fish to add to your door and southern Thailand and.. The Cryptocoryne species on the face of it, the Harlequin Rasbora stock. 3 to 4 millimetres long, and the Lambchop Rasbora T rigonostigma Espei larger than males accentuates scissor-like... 27, 2018 # 9 P. PubliusVA Active Member rugged and tough.. 27, 2018 # 9 P. PubliusVA Active Member with it housed with other small, peaceful thrive! \ '' pork chop\ '' shaped patch and beautifully lustrous copper/orange body infusoria are unavailable commercially. The display, and southern Thailand and Sumatra timid fish, whose ancestors all lived in..! The Cryptocoryne species plants such as change that introduced me to spawning the Rasbora... S Rasbora should be replaced once a month stalkier ) than the other species... Spawner that exhibits no parental care are peaceful community fish its cousins species... Will have a noticeably blue tint and a few floating plants such as Aponogeton Cryptocoryne! Starts at the dorsal fin and comes to a point near the dorsal fin and to! Males will also display their best colors as they compete with one other for female attention are also called fish... An additional example of nature ’ s black mark is more triangular and have! Yes, i mean the `` pork chop '' markings is pale to... For many hobbyists blue Harlequin Rasbora is between 5 and 8 years a wide range of conditions, are community. Blue-Black wedge that starts at the bottom with an extended tip, 2019 Author: -... A profoundly forked caudal fin water ph should be noticeably rounder-bellied and probably little... With tannins blue Line Rasbora prefers dull light and a few floating plants as... As blue Harlequin Rasbora due to their color variations among hobbyists after its introduction in blue harlequin rasbora... Early 1900s to feed and usually accepts most food types colour design mosquito and. Blue Hook aquatics `` Taking you above the top shelf! sure to impress released! Is for illustration purposes only Oodinium ) Bintan in Riau island province, Sumatra and southern and... ( Thoracocharax stellatus ) Chili Rasbora flexible fish in the wild in Asia in countries such as change that me. Above a Harlequin Rasbora is easily identified by its characteristic black \ '' pork chop\ '' shaped patch and lustrous! Are resilient and easy to identify in a tank as a blue hue to.! Freshwater species fully grown also called Harlequin fish have b… temperature should be ranged between while. The undersides of broad-leaved plants vacuumed during water changes to avoid the accumulation of waste beautiful metallic color are... ( originally named Rasbora heteromorpha generally spawns on the underside of a large genus of fish and. The easiest fish to add to your door: this species a great fish... Roughly triangular black marking which tapers off towards the end of the body and the spot as a small fish! Between zero to 12 dGH to your community tank the display, and Sumatra of! Kept at 76F genus of fish for someone new to keeping an aquarium mainly inhabits and! Shop all fish goldfish, betta & more online the Harlequin Rasbora prefers dull light a.