Harlequin rasborait has a beautiful metallic color and it is easy to care for. A large school makes an aquarium vivid and vibrant with movement.The harlequin rasbora is a native ofMalaysia,Singapore,Sumatra, and southernThailand. They are schooling fish and prefer some dense planting with some floating plants and open swimming areas. Browse our selection oflive fish. Features of Harlequin Rasbora: Reddish-copper color that is accented by a striking black wedge covering the rear half of the body The distinguishing triangular patch begins near the dorsal fin and comes to a point near the base of the caudal fin The species takes on a diamond-like shape Harlequin Rasbora is a small size fish The Best Aquarium Size for Harlequin Rasbora: The minimum tank size for a small group of Harlequin Rasboras is 25L.Thanks to their small size, these fish dont need a ton of room. We always recommend going with larger aquariums if you have the space in your home and budget. Larger tanks will provide your fish with plenty of room to swim around and get comfortable. After an Aquarium for your fish? Browse ourAquarium Tank Selection here. Tank Mate Compatibility: The harlequin rasbora is a shoaling fish; it should be kept in schools of eight to 10 individuals. You can keep harlequins with any fish as long its not large and predatory. Great tank mates for Rasbora include: Corydoras Catfish Dwarf Gourammi Cardinal Tetras Danios Neon Tetra Cherry Barb Kuhli Loach Apistogramma Coburg Aquarium, specialised in different species oflive fish. Feeding : The fish have tiny mouths that arent always capable of getting around common fish foods, so keep things as small as possible. A combination of pellets or flakes, live/frozen food like brine shrimp,bloodworms are excellent supplemental foods for your fish. Check out ourTop Rated Natural Fish Foods. Harlequin Rasbora Fish Tank Setup: Aquarium Filtration To mimic the harlequin rasboras natural environment, use a good filter that wont create strong water movements. Standard filtration system will work perfectly for your fish. Plants for Harlequin Rasbora Harlequin Rasboras love plants because they offer some protection if they ever feel threatened. Christmas Moss Java Moss Java Fern Cryptocoryne Wendtii Amazon Sword Anubias Interested in Live Plants for your aquariums?Click here to see more Fish Live Plant Decorations for Rasbora Harlequin Rasboras are small fish. To mimic their natural environment, rock, cove driftwood can be placed in tanks. After some nice quality decoration for your fish? Check our Aquarium Ornaments. Substrate You can use a dark-colored sand substrate or gravel.These fish will not spend much time at the bottom of the tank, so you dont need to worry about possible injury from the gravel. Kirby Pebbles Aqua One Gravel Dymax Gravel 2kg A variety ofSubstratesare available at Coburg Aquarium.