{"product_id":"blue-borneo-sucker-fish","title":"Blue Borneo Sucker Fish","description":"\u003ch2 style=\"font-family: Georgia, serif; font-size: 1.4em; font-weight: normal; letter-spacing: 0.08em; color: #0a2a3a; border-bottom: 2px solid #3a7ca5; padding-bottom: 8px; margin-bottom: 18px; text-transform: uppercase;\"\u003eBlue Borneo Sucker Fish\u003c\/h2\u003e\u003cp style=\"font-family: Georgia, serif; font-size: 1.05em; line-height: 1.8; margin-bottom: 16px; color: #2c2c2c;\"\u003e\u003cstrong\u003eBlue Borneo Sucker Fish\u003c\/strong\u003e (\u003cem\u003eGastromyzon aeroides\u003c\/em\u003e) is one of the most visually striking hillstream loaches available in the aquarium hobby — and one of the rarest. The species name \u003cem\u003eaeroides\u003c\/em\u003e comes from the Latin word for \"sky-blue,\" a direct reference to the vivid blue coloration of the dorsal, anal, and caudal fins that distinguishes this species from all other \u003cem\u003eGastromyzon\u003c\/em\u003e. The body itself is patterned in warm brown and cream tones with intricate reticulations, while the electric blue finnage creates an extraordinary contrast that makes this fish instantly recognizable. Native to fast-flowing hill streams in western Sabah (Malaysian Borneo) and the Temburong River basin of Brunei Darussalam — pristine, oxygen-rich, clear-water environments with smooth rock substrate and strong current.\u003c\/p\u003e\u003cp style=\"font-family: Georgia, serif; font-size: 1.05em; line-height: 1.8; margin-bottom: 16px; background-color: #e0f0f8; border: 1px solid #b0d0e8; padding: 14px 18px; color: #0a2a3a;\"\u003e\u003cstrong\u003eFeeding \u0026amp; Care Tip:\u003c\/strong\u003e \u003cstrong\u003eRepashy Bottom Scratcher\u003c\/strong\u003e gel food applied directly to rocks is the gold standard for hillstream loaches — it closely mimics the biofilm they graze on in the wild. Supplement with \u003cstrong\u003eHikari Algae Wafers\u003c\/strong\u003e and occasional \u003cstrong\u003eHikari Frozen Bloodworms\u003c\/strong\u003e for protein. This species is a dedicated biofilm and algae grazer; a well-established tank with good rock surface growth is essential before adding these fish.\u003c\/p\u003e\u003cp style=\"font-family: Georgia, serif; font-size: 1.05em; line-height: 1.8; margin-bottom: 16px; color: #2c2c2c;\"\u003eLike all hillstream loaches, \u003cem\u003eG. aeroides\u003c\/em\u003e requires excellent water quality, high dissolved oxygen, and significant water movement — conditions that mirror the fast-flowing hill streams of Borneo. A powerhead or wavemaker creating strong surface agitation, along with fine mechanical filtration to keep the water crystal clear, will keep this species thriving. Smooth river rocks, slate, or similar flat stone surfaces give these fish the grazing habitat they need. Water temperature should be kept cool — this is a highland Borneo species accustomed to temperatures well below typical tropical aquarium ranges.\u003c\/p\u003e\u003cp style=\"font-family: Georgia, serif; font-size: 1.05em; line-height: 1.8; margin-bottom: 16px; color: #2c2c2c;\"\u003eThe flattened, disc-like body and modified pelvic fins form a powerful suction cup that allows \u003cem\u003eG. aeroides\u003c\/em\u003e to cling to smooth rock faces against strong current — the same adaptation that lets wild specimens hold position in torrential mountain streams. Completely peaceful with all tankmates and safe with shrimp. Best kept in groups of three or more, as solitary individuals tend to be more reclusive. An ideal centerpiece species for high-flow planted aquascapes and river-style biotope setups.\u003c\/p\u003e\u003cp style=\"font-family: Georgia, serif; font-size: 1.05em; line-height: 1.8; margin-bottom: 16px; color: #2c2c2c;\"\u003e\u003cem\u003eGastromyzon aeroides\u003c\/em\u003e is virtually never available in US aquarium stores — this is a genuine collector's fish that serious planted tank and hillstream enthusiasts actively seek out. Wild-caught specimens from Borneo; captive breeding is essentially undocumented in the hobby.\u003c\/p\u003e\u003ch3 style=\"font-family: Georgia, serif; font-size: 1.05em; font-weight: normal; letter-spacing: 0.1em; text-transform: uppercase; color: #0a2a3a; border-top: 1px solid #b0d0e8; padding-top: 18px; margin-bottom: 14px;\"\u003eCare \u0026amp; Ideal Parameters\u003c\/h3\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; font-size: 0.92em;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eDifficulty\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003eIntermediate to Advanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eTemperament\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003ePeaceful — Community, Shrimp Safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eTypical Adult Size\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003eUp to 4.6 cm (1.8 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eMin. Group Size\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003e3 minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eIdeal Temp\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003e68–75°F (20–24°C) — cool water essential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eIdeal pH\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003e6.5–7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eIdeal GH\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003e2–12 dGH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eIdeal KH\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003e1–8 dKH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eStaple Food\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003eRepashy Bottom Scratcher gel food; Hikari Algae Wafers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eTreat \/ Supplement\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003eHikari Frozen Bloodworms; biofilm on established rock surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eCurrent\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #e0f0f8; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003eStrong flow essential — powerhead or wavemaker required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8;\"\u003eOrigin\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003eFast-flowing hill streams — western Sabah, Borneo \u0026amp; Temburong River, Brunei\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #0a2a3a; font-weight: 600; width: 38%; border: 1px solid #b0d0e8; vertical-align: top;\"\u003eNotes\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; background-color: #ffffff; color: #2c2c2c; border: 1px solid #b0d0e8;\"\u003eExtremely rare in the US trade. Sky-blue fins are the defining feature. Cool water, high oxygen, strong flow, smooth rocks, and established biofilm required. Wild-caught from Borneo. Groups of 3+.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Cuboid Nature Aquarium","offers":[{"title":"Default Title","offer_id":53015508877623,"sku":"Gastromyzon aeroides","price":98.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/cuboidstore.com\/products\/blue-borneo-sucker-fish","provider":"Cuboid Aquatics LLC","version":"1.0","type":"link"}