{"product_id":"red-line-halfbeak-sijuk","title":"Red-line Halfbeak \"Sijuk\"","description":"\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eTo protect our animals and to ensure they get to our customers healthy, we will only ship orders with Nano Fish via UPS Next Day Air.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRed-Line Halfbeak “Sijuk” (\u003c\/span\u003e\u003cem\u003e\u003cspan\u003eHemirhamphodon phaiosoma\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a rare freshwater halfbeak from Indonesia. It has a slender body, a long lower jaw, and a vivid red line that becomes especially noticeable once the fish settles into a dark, planted aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike many commonly sold halfbeaks, this is a true soft-water species. It is best suited to experienced aquarists who can provide a mature blackwater-style aquarium, gentle tankmates, and plenty of room at the surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAbout This Fish\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe “Sijuk” name refers to the locality associated with this form. These fish come from the island of Belitung in Indonesia, where they inhabit quiet, forested waterways.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRed-Line Halfbeaks spend nearly all their time close to the surface. Their unusual shape, bright markings, and alert hunting behavior make them unlike almost anything else in a freshwater aquarium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThey can be nervous when first introduced but usually become more confident in a quiet tank with floating plants and plenty of cover.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAquarium Care\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis species needs very soft, acidic water and should only be added to a mature, stable aquarium. It is not a good choice for hard water or alkaline community tanks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeep the current gentle and maintain good oxygen levels without creating rough surface movement. These halfbeaks are sensitive to sudden changes, so careful acclimation is important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA tight-fitting lid is absolutely necessary. Halfbeaks are excellent jumpers, especially when startled. Cover any gaps around filters, airline tubing, and cables.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTank Setup\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eSurface area is more important than depth. A long aquarium gives these fish room to swim without damaging their delicate lower jaws against the glass.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse driftwood, leaf litter, subdued lighting, and plenty of floating plants. Red root floaters, Salvinia, and other plants with hanging roots provide excellent surface cover. Leave some open water between the plants for feeding and swimming.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid sharp decorations near the surface. Position the aquarium in a quiet area where the fish will not be startled by constant movement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA 20-gallon long aquarium can house a small group, although 30 gallons or larger is preferred.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDiet\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRed-Line Halfbeaks are surface-feeding micro predators. They do best on small live and frozen foods such as fruit flies, mosquito larvae, baby brine shrimp, daphnia, cyclops, and small bloodworms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFood should float or remain near the surface long enough for the fish to find it. Some individuals may learn to accept small floating pellets, but dry food should not be their only diet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA varied diet will help maintain good condition and bring out their red coloration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTankmates\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eChoose small, peaceful tankmates that prefer the same soft, acidic water. Good options may include small rasboras, pencilfish, peaceful kuhli loaches, and other calm blackwater species.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid fast surface feeders, aggressive fish, fin nippers, and anything large enough to treat the halfbeaks as prey. Busy tankmates can prevent them from feeding properly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMales may display or chase one another. Keep a group in a roomy aquarium with floating cover, and watch for any fish being pushed away from food or confined to a corner.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSmall shrimp and shrimplets may be eaten. Larger shrimp may be left alone, but they should not be considered completely safe.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBreeding Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRed-Line Halfbeaks are livebearers. Females give birth to fully formed fry rather than laying eggs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBreeding is possible, but it is not considered easy. The adults must be kept in excellent condition with soft, acidic water and a steady supply of small live foods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDense floating plants give newborn fry a place to hide. Fry can be started on newly hatched baby brine shrimp, microworms, and other tiny live foods. Separate them if the adults or tankmates begin hunting them.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRecommended Water Parameters\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTemperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 73° to 81° F (optimal 75° to 79° F)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003epH:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.5 to 7.0 (optimal 5.5 to 6.5)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eKH:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0 to 2 dKH (optimal 0 to 1 dKH)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eGH:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0 to 4 dGH (optimal 0 to 2 dGH)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMinimum tank size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20-gallon long for a small group, with 30 gallons or larger preferred\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAdult size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 2 to 2.5 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTypical purchase size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 1.5 to 2 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOrigin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sijuk, Belitung, Indonesia\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat We Like About This Fish\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e• Rare and unusual Indonesian halfbeak\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Beautiful red line along the body\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Spends most of its time near the surface\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Fascinating surface-hunting behavior\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Excellent choice for a specialty blackwater aquarium\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Safe with live plants\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Gives birth to live young\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis is a specialized soft-water fish and is not recommended for beginners or newly established aquariums. It requires very soft, acidic water and may not adjust well to hard or alkaline conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA tight lid is essential because this species can jump through very small openings. Its extended lower jaw is delicate, so provide plenty of surface swimming space and avoid anything that may cause the fish to panic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese halfbeaks may arrive with subdued coloration. Their red markings usually become stronger after they settle in and begin feeding well. Color, size, and markings will vary between individuals.\u003c\/span\u003e\u003c\/p\u003e","brand":"Shrimpy Business","offers":[{"title":"1 Fish","offer_id":52405752201506,"sku":"F-RLhalfB-1","price":16.95,"currency_code":"USD","in_stock":true},{"title":"2 Fish","offer_id":52405752234274,"sku":"F-RLhalfB-2","price":29.95,"currency_code":"USD","in_stock":true},{"title":"4 Fish","offer_id":52405752267042,"sku":"F-RLhalfB-4","price":56.95,"currency_code":"USD","in_stock":true},{"title":"8 Fish","offer_id":52405752299810,"sku":"F-RLhalfB-8","price":107.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0078\/9227\/1189\/files\/red-line-halfbeak-phaiosoma-blackwater.png?v=1787886955","url":"https:\/\/shrimpybusiness.com\/products\/red-line-halfbeak-sijuk","provider":"Shrimpy Business","version":"1.0","type":"link"}