{"product_id":"rainbow-tiger-borneo-loach-gastromyzon-sp","title":"Rainbow Tiger Borneo Loach (Gastromyzon sp.) 4-5cm","description":"\u003cdiv\u003e\n\u003ch2\u003eRainbow Tiger Borneo Loach\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e(Rainbow Tiger Borneo Sucker \/ Double Blue Borneo Sucker)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRainbow Tiger Borneo Loach\u003c\/strong\u003e is \u003cstrong\u003enot a formally described scientific species\u003c\/strong\u003e, but a \u003cstrong\u003etrade name\u003c\/strong\u003e used in the aquarium hobby for a \u003cstrong\u003eGastromyzon sp.\u003c\/strong\u003e, a Borneo hillstream loach collected from fast‑flowing streams in Borneo. It’s especially prized for its \u003cstrong\u003ebold tiger striping and iridescent blue highlights\u003c\/strong\u003e on the fins and body.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIdentification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Gastromyzontidae (hillstream loaches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScientific name:\u003c\/strong\u003e \u003cem\u003eGastromyzon sp.\u003c\/em\u003e (“Rainbow Tiger”)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdult size:\u003c\/strong\u003e ~2.5–3.8 cm (1–1.5 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody type:\u003c\/strong\u003e Flattened, ray‑like with a suction disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColoration:\u003c\/strong\u003e Tiger‑like striping with blue or teal iridescence, often strongest on dorsal and caudal fins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eNatural Habitat\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClear, \u003cstrong\u003eoxygen‑rich mountain streams\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStrong current with smooth rocks and biofilm\u003c\/li\u003e\n\u003cli\u003eCool to mildly warm water year‑round \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese loaches are \u003cstrong\u003eobligate rheophiles\u003c\/strong\u003e, meaning they depend on flow and oxygen to thrive.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAquarium Care Guide\u003c\/h2\u003e\n\u003ch3\u003eTank Requirements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum tank:\u003c\/strong\u003e 20 gallons (larger is better for groups)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e Moderate–strong (powerhead or directional filter output recommended)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate:\u003c\/strong\u003e Smooth stones, river rock, sand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxygen:\u003c\/strong\u003e High (surface agitation essential) \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003eDespite their small size, these fish do poorly in stagnant aquariums.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 22–24 °C (68–75 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 6.6–7.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGH:\u003c\/strong\u003e 6–12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKH:\u003c\/strong\u003e 1–2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS:\u003c\/strong\u003e 100–300\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCooler water with good oxygenation is far more important than chasing exact numbers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eDiet\u003c\/h2\u003e\n\u003cp\u003ePrimarily \u003cstrong\u003eaufwuchs grazers\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e Natural biofilm \u0026amp; algae\u003cbr\u003e Sinking algae wafers (high‑quality)\u003cbr\u003e Blanched vegetables (zucchini, spinach)\u003cbr\u003e Occasional frozen foods (daphnia, baby brine shrimp)\u003c\/p\u003e\n\u003cp\u003eThey \u003cstrong\u003ewill not thrive on pellets alone\u003c\/strong\u003e—an established tank with grazing surfaces is key. \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTemperament \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperament:\u003c\/strong\u003e Peaceful, mildly territorial among their own kind\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSocial behavior:\u003c\/strong\u003e Best kept in \u003cstrong\u003egroups of 3–6+\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrimp safe:\u003c\/strong\u003e  yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnail safe:\u003c\/strong\u003e  yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood Tank Mates\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOther Gastromyzon species\u003c\/li\u003e\n\u003cli\u003eSmall rasboras\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePeaceful hillstream fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvoid aggressive or large bottom‑dwellers that may outcompete them for food. \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBreeding\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e High\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e Rarely documented in home aquaria\u003c\/li\u003e\n\u003cli\u003eLikely requires \u003cstrong\u003eseasonal flow changes, temperature shifts, and mature biofilm‑rich environments\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSuccessful captive breeding is still uncommon and poorly documented for most \u003cem\u003eGastromyzon\u003c\/em\u003e spp.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Notes for Success\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e High oxygen is \u003cstrong\u003enon‑negotiable\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e Always acclimate slowly\u003c\/li\u003e\n\u003cli\u003e Provide real grazing surfaces\u003c\/li\u003e\n\u003cli\u003e Avoid warm, low‑flow “tropical” tanks\u003c\/li\u003e\n\u003cli\u003e Weekly water changes (20–30%)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRainbow Tiger Borneo Loach\u003c\/strong\u003e is a \u003cstrong\u003espectacular micro‑hillstream loach\u003c\/strong\u003e suited for aquarists who enjoy \u003cstrong\u003eriver‑style setups\u003c\/strong\u003e. When given proper flow, oxygen, and biofilm, it is hardy, peaceful, shrimp‑safe, and one of the most visually striking Borneo loaches available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Danshuiyu Indonesia","offers":[{"title":"Default Title","offer_id":53421254672702,"sku":"89836941072702","price":24.99,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/yourlocalfishstore.com\/products\/rainbow-tiger-borneo-loach-gastromyzon-sp","provider":"Your Local Fish Store","version":"1.0","type":"link"}