{"product_id":"fangs-hillstream-loach-pseudogastromyzon-fangi","title":"Fangi Hillstream Loach - Pseudogastromyzon fangi","description":"\u003ch2 data-start=\"790\" data-end=\"832\"\u003eI. \u003cspan\u003ePseudogastromyzon fangi\u003c\/span\u003e (Species Overview)\u003c\/h2\u003e\n\u003cp\u003e← Back to \u003ca href=\"https:\/\/eiraaquatics.com\/collections\/loach\"\u003e\u003cstrong\u003e\u003cem data-end=\"1140\" data-start=\"1121\"\u003eLoach\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e (genus overview)\u003c\/p\u003e\n\u003cp data-start=\"834\" data-end=\"1107\"\u003e\u003cstrong data-start=\"834\" data-end=\"851\"\u003eChinese Name:\u003c\/strong\u003e 方氏拟腹吸鳅\u003cbr data-start=\"858\" data-end=\"861\"\u003e\u003cstrong data-start=\"861\" data-end=\"881\"\u003eScientific Name:\u003c\/strong\u003e \u003cem data-start=\"882\" data-end=\"907\"\u003ePseudogastromyzon fangi\u003c\/em\u003e\u003cbr data-start=\"907\" data-end=\"910\"\u003e\u003cstrong data-start=\"910\" data-end=\"929\"\u003eFamily \/ Genus:\u003c\/strong\u003e Balitoridae · \u003cem data-start=\"944\" data-end=\"963\"\u003ePseudogastromyzon\u003c\/em\u003e\u003cbr data-start=\"963\" data-end=\"966\"\u003e\u003cstrong data-start=\"966\" data-end=\"983\"\u003eNative Range:\u003c\/strong\u003e\u003cbr data-start=\"983\" data-end=\"986\"\u003eZhejiang Province (Oujiang \u0026amp; Feiyun River systems), Pearl River basin, upper Xiang River of the Yangtze drainage, China\u003c\/p\u003e\n\u003cp data-start=\"1109\" data-end=\"1348\"\u003e\u003cstrong data-start=\"1109\" data-end=\"1128\"\u003eMaximum Length:\u003c\/strong\u003e 7–9 cm (one of the larger species within the genus)\u003cbr data-start=\"1180\" data-end=\"1183\"\u003e\u003cstrong data-start=\"1183\" data-end=\"1196\"\u003eLifespan:\u003c\/strong\u003e 4–5 years under proper captive care\u003cbr data-start=\"1232\" data-end=\"1235\"\u003e\u003cstrong data-start=\"1235\" data-end=\"1259\"\u003eConservation Status:\u003c\/strong\u003e\u003cbr data-start=\"1259\" data-end=\"1262\"\u003eChinese endemic species, protected under general provisions of China’s Fisheries Law\u003c\/p\u003e\n\u003cp data-start=\"1350\" data-end=\"1441\"\u003e\u003cstrong data-start=\"1350\" data-end=\"1363\"\u003eEndemism:\u003c\/strong\u003e\u003cbr data-start=\"1363\" data-end=\"1366\"\u003eRestricted to the above river systems; no confirmed records outside China\u003c\/p\u003e\n\u003cp data-start=\"1443\" data-end=\"1589\"\u003e📌 \u003cem data-start=\"1446\" data-end=\"1453\"\u003eNote:\u003c\/em\u003e Due to its relatively large body size among hillstream loaches, sufficient rock surface area is more important than total water volume.\u003c\/p\u003e\n\u003chr data-start=\"1591\" data-end=\"1594\"\u003e\n\u003ch2 data-start=\"1596\" data-end=\"1642\"\u003eII. Natural Distribution and Native Habitat\u003c\/h2\u003e\n\u003ch3 data-start=\"1644\" data-end=\"1674\"\u003e1. Geographic Distribution\u003c\/h3\u003e\n\u003cul data-start=\"1676\" data-end=\"1917\"\u003e\n\u003cli data-start=\"1676\" data-end=\"1747\"\u003e\n\u003cp data-start=\"1678\" data-end=\"1747\"\u003e\u003cstrong data-start=\"1678\" data-end=\"1702\"\u003eEastern populations:\u003c\/strong\u003e Oujiang and Feiyun River systems, Zhejiang\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1748\" data-end=\"1833\"\u003e\n\u003cp data-start=\"1750\" data-end=\"1833\"\u003e\u003cstrong data-start=\"1750\" data-end=\"1775\"\u003eSouthern populations:\u003c\/strong\u003e Pearl River drainage (Beijiang \u0026amp; Dongjiang tributaries)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1834\" data-end=\"1917\"\u003e\n\u003cp data-start=\"1836\" data-end=\"1917\"\u003e\u003cstrong data-start=\"1836\" data-end=\"1860\"\u003eWestern populations:\u003c\/strong\u003e Upper Xiang River and its tributaries (Yangtze system)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1919\" data-end=\"2013\"\u003e\u003cstrong data-start=\"1919\" data-end=\"1935\"\u003eAbsent from:\u003c\/strong\u003e Min River (Fujian), Red River (Yunnan), and other common hillstream regions\u003c\/p\u003e\n\u003chr data-start=\"2015\" data-end=\"2018\"\u003e\n\u003ch3 data-start=\"2020\" data-end=\"2057\"\u003e2. Native Habitat Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"2059\" data-end=\"2328\"\u003e\n\u003cli data-start=\"2059\" data-end=\"2111\"\u003e\n\u003cp data-start=\"2061\" data-end=\"2111\"\u003eAltitude: 100–800 m (occasionally up to 1,200 m)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2112\" data-end=\"2176\"\u003e\n\u003cp data-start=\"2114\" data-end=\"2176\"\u003eEnvironment: Mountain brooks and fast-flowing forest streams\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2177\" data-end=\"2222\"\u003e\n\u003cp data-start=\"2179\" data-end=\"2222\"\u003eSubstrate: Smooth cobbles, slate, bedrock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2223\" data-end=\"2253\"\u003e\n\u003cp data-start=\"2225\" data-end=\"2253\"\u003eWater temperature: 16–24°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2254\" data-end=\"2269\"\u003e\n\u003cp data-start=\"2256\" data-end=\"2269\"\u003epH: 6.5–7.3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2270\" data-end=\"2299\"\u003e\n\u003cp data-start=\"2272\" data-end=\"2299\"\u003eDissolved oxygen: \u0026gt;7 mg\/L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2300\" data-end=\"2328\"\u003e\n\u003cp data-start=\"2302\" data-end=\"2328\"\u003eWater clarity: Very high\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2330\" data-end=\"2431\"\u003eArtificial systems can tolerate long-term temperatures up to \u003cstrong data-start=\"2391\" data-end=\"2399\"\u003e28°C\u003c\/strong\u003e when oxygenation is sufficient.\u003c\/p\u003e\n\u003chr data-start=\"2433\" data-end=\"2436\"\u003e\n\u003ch2 data-start=\"2438\" data-end=\"2465\"\u003eIII. External Morphology\u003c\/h2\u003e\n\u003cp data-start=\"2467\" data-end=\"2609\"\u003e\u003cem data-start=\"2467\" data-end=\"2492\"\u003ePseudogastromyzon fangi\u003c\/em\u003e possesses a cylindrical body with a straight dorsal profile, highly adapted for clinging to stones in fast currents.\u003c\/p\u003e\n\u003cp data-start=\"2611\" data-end=\"2629\"\u003e\u003cstrong data-start=\"2611\" data-end=\"2629\"\u003eColor Pattern:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2631\" data-end=\"3008\"\u003e\n\u003cli data-start=\"2631\" data-end=\"2671\"\u003e\n\u003cp data-start=\"2633\" data-end=\"2671\"\u003eBase color: Pale grey to light brown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2672\" data-end=\"2739\"\u003e\n\u003cp data-start=\"2674\" data-end=\"2739\"\u003eHead to pectoral-fin base: Densely covered with fine dark spots\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2740\" data-end=\"2795\"\u003e\n\u003cp data-start=\"2742\" data-end=\"2795\"\u003eMidbody to caudal peduncle: 6–9 vertical dark bands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2796\" data-end=\"2863\"\u003e\n\u003cp data-start=\"2798\" data-end=\"2863\"\u003eAnterior bands thin and dark; posterior bands broader and paler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2864\" data-end=\"2954\"\u003e\n\u003cp data-start=\"2866\" data-end=\"2954\"\u003eBands often incomplete, fragmented, or expanding into irregular blotches near the tail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2955\" data-end=\"3008\"\u003e\n\u003cp data-start=\"2957\" data-end=\"3008\"\u003eDorsal and caudal fin margins carry fine spotting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3010\" data-end=\"3013\"\u003e\n\u003ch3 data-start=\"3015\" data-end=\"3040\"\u003eFunctional Structures\u003c\/h3\u003e\n\u003cul data-start=\"3042\" data-end=\"3257\"\u003e\n\u003cli data-start=\"3042\" data-end=\"3158\"\u003e\n\u003cp data-start=\"3044\" data-end=\"3158\"\u003eLower lip modified into a \u003cstrong data-start=\"3070\" data-end=\"3099\"\u003ethree-lobed adhesive disc\u003c\/strong\u003e (central lobe + two lateral lobes) for strong attachment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3159\" data-end=\"3257\"\u003e\n\u003cp data-start=\"3161\" data-end=\"3257\"\u003eMature males develop \u003cstrong data-start=\"3182\" data-end=\"3207\"\u003ekeratinized tubercles\u003c\/strong\u003e on the snout, especially during breeding season\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3259\" data-end=\"3262\"\u003e\n\u003ch2 data-start=\"3264\" data-end=\"3295\"\u003eIV. Temperament and Behavior\u003c\/h2\u003e\n\u003cul data-start=\"3297\" data-end=\"3564\"\u003e\n\u003cli data-start=\"3297\" data-end=\"3353\"\u003e\n\u003cp data-start=\"3299\" data-end=\"3353\"\u003eStrictly benthic, resting in crevices during daytime\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3354\" data-end=\"3386\"\u003e\n\u003cp data-start=\"3356\" data-end=\"3386\"\u003eMost active at dawn and dusk\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3387\" data-end=\"3448\"\u003e\n\u003cp data-start=\"3389\" data-end=\"3448\"\u003eMoves slowly while grazing, “walking” using pectoral fins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3449\" data-end=\"3498\"\u003e\n\u003cp data-start=\"3451\" data-end=\"3498\"\u003eExtremely peaceful; suitable for small groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3499\" data-end=\"3564\"\u003e\n\u003cp data-start=\"3501\" data-end=\"3564\"\u003eCapable of maintaining firm attachment even in strong current\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3566\" data-end=\"3569\"\u003e\n\u003ch2 data-start=\"3571\" data-end=\"3592\"\u003eV. Feeding Ecology\u003c\/h2\u003e\n\u003ch3 data-start=\"3594\" data-end=\"3610\"\u003eNatural Diet\u003c\/h3\u003e\n\u003cul data-start=\"3612\" data-end=\"3705\"\u003e\n\u003cli data-start=\"3612\" data-end=\"3647\"\u003e\n\u003cp data-start=\"3614\" data-end=\"3647\"\u003eDiatoms and green algae biofilm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3648\" data-end=\"3673\"\u003e\n\u003cp data-start=\"3650\" data-end=\"3673\"\u003eAquatic insect larvae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3674\" data-end=\"3705\"\u003e\n\u003cp data-start=\"3676\" data-end=\"3705\"\u003eSmall benthic invertebrates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3707\" data-end=\"3789\"\u003eNot a strict herbivore — but excessive protein often leads to digestive disorders.\u003c\/p\u003e\n\u003cp data-start=\"3791\" data-end=\"3846\"\u003e\u003cstrong data-start=\"3791\" data-end=\"3846\"\u003eExcellent natural algae grazer and biofilm cleaner.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"3848\" data-end=\"3851\"\u003e\n\u003ch2 data-start=\"3853\" data-end=\"3902\"\u003eVI. Reproductive Notes (Observed in Captivity)\u003c\/h2\u003e\n\u003cul data-start=\"3904\" data-end=\"4198\"\u003e\n\u003cli data-start=\"3904\" data-end=\"3976\"\u003e\n\u003cp data-start=\"3906\" data-end=\"3976\"\u003eBreeding season: April to June (water temperature stable above 22°C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3977\" data-end=\"4038\"\u003e\n\u003cp data-start=\"3979\" data-end=\"4038\"\u003eCourtship: Males vibrate pectoral fins to attract females\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4039\" data-end=\"4122\"\u003e\n\u003cp data-start=\"4041\" data-end=\"4122\"\u003eSpawning: Adhesive eggs deposited on undersides of stones or in narrow crevices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4123\" data-end=\"4177\"\u003e\n\u003cp data-start=\"4125\" data-end=\"4177\"\u003eIncubation: Requires flowing water for oxygenation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4178\" data-end=\"4198\"\u003e\n\u003cp data-start=\"4180\" data-end=\"4198\"\u003eNo parental care\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4200\" data-end=\"4316\"\u003e\u003cstrong data-start=\"4200\" data-end=\"4224\"\u003eBreeding difficulty:\u003c\/strong\u003e ★★★★☆ (High)\u003cbr data-start=\"4237\" data-end=\"4240\"\u003eRequires simulated current, clean substrate, and suitable spawning surfaces.\u003c\/p\u003e\n\u003chr data-start=\"4318\" data-end=\"4321\"\u003e\n\u003ch2 data-start=\"4323\" data-end=\"4367\"\u003eVII. Care Difficulty and Suitable Keepers\u003c\/h2\u003e\n\u003cp data-start=\"4369\" data-end=\"4413\"\u003e\u003cstrong data-start=\"4369\" data-end=\"4384\"\u003eCare Level:\u003c\/strong\u003e ★★★☆☆ (Moderate to advanced)\u003c\/p\u003e\n\u003cp data-start=\"4415\" data-end=\"4437\"\u003e\u003cstrong data-start=\"4415\" data-end=\"4435\"\u003eRecommended for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"4438\" data-end=\"4545\"\u003e\n\u003cli data-start=\"4438\" data-end=\"4475\"\u003e\n\u003cp data-start=\"4440\" data-end=\"4475\"\u003eExperienced stream-tank aquarists\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4476\" data-end=\"4545\"\u003e\n\u003cp data-start=\"4478\" data-end=\"4545\"\u003eKeepers able to maintain clean substrate and stable water quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4547\" data-end=\"4570\"\u003e\u003cstrong data-start=\"4547\" data-end=\"4568\"\u003eNot suitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"4571\" data-end=\"4635\"\u003e\n\u003cli data-start=\"4571\" data-end=\"4584\"\u003e\n\u003cp data-start=\"4573\" data-end=\"4584\"\u003eBeginners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4585\" data-end=\"4635\"\u003e\n\u003cp data-start=\"4587\" data-end=\"4635\"\u003eWarm-water systems without temperature control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4637\" data-end=\"4747\"\u003e\u003cstrong data-start=\"4637\" data-end=\"4667\"\u003ePrimary causes of failure:\u003c\/strong\u003e\u003cbr data-start=\"4667\" data-end=\"4670\"\u003eOrganic buildup in substrate, stagnant flow, excessive high-protein feeding\u003c\/p\u003e\n\u003cp data-start=\"4749\" data-end=\"4833\"\u003e✅ Success formula:\u003cbr data-start=\"4767\" data-end=\"4770\"\u003e\u003cstrong data-start=\"4770\" data-end=\"4833\"\u003eTemperature ≤28°C + High oxygen + Pre-grown algae on stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"4835\" data-end=\"4838\"\u003e\n\u003ch2 data-start=\"4840\" data-end=\"4873\"\u003eVIII. Aquarium Care Guidelines\u003c\/h2\u003e\n\u003ch3 data-start=\"4875\" data-end=\"4895\"\u003e1. Aquarium Size\u003c\/h3\u003e\n\u003cul data-start=\"4897\" data-end=\"5019\"\u003e\n\u003cli data-start=\"4897\" data-end=\"4963\"\u003e\n\u003cp data-start=\"4899\" data-end=\"4963\"\u003eSmall group (2–6 individuals): 40 cm tank (30–40 L) sufficient\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4964\" data-end=\"5019\"\u003e\n\u003cp data-start=\"4966\" data-end=\"5019\"\u003eLarger groups (≤20): 60 cm tank (≈60 L) recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5021\" data-end=\"5098\"\u003eCan be mixed with peaceful mid–upper layer fish to fully utilize water space.\u003c\/p\u003e\n\u003chr data-start=\"5100\" data-end=\"5103\"\u003e\n\u003ch3 data-start=\"5105\" data-end=\"5128\"\u003e2. Water Parameters\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"5130\" data-end=\"5369\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"5130\" data-end=\"5163\"\u003e\n\u003ctr data-start=\"5130\" data-end=\"5163\"\u003e\n\u003cth data-start=\"5130\" data-end=\"5142\" data-col-size=\"sm\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"5142\" data-end=\"5163\" data-col-size=\"sm\"\u003eRecommended Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"5196\" data-end=\"5369\"\u003e\n\u003ctr data-start=\"5196\" data-end=\"5250\"\u003e\n\u003ctd data-start=\"5196\" data-end=\"5210\" data-col-size=\"sm\"\u003eTemperature\u003c\/td\u003e\n\u003ctd data-start=\"5210\" data-end=\"5250\" data-col-size=\"sm\"\u003e16–28°C (long-term safe upper limit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5251\" data-end=\"5269\"\u003e\n\u003ctd data-start=\"5251\" data-end=\"5256\" data-col-size=\"sm\"\u003epH\u003c\/td\u003e\n\u003ctd data-start=\"5256\" data-end=\"5269\" data-col-size=\"sm\"\u003e6.5 – 7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5270\" data-end=\"5288\"\u003e\n\u003ctd data-start=\"5270\" data-end=\"5275\" data-col-size=\"sm\"\u003eGH\u003c\/td\u003e\n\u003ctd data-start=\"5275\" data-end=\"5288\" data-col-size=\"sm\"\u003e3 – 8 dGH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5289\" data-end=\"5320\"\u003e\n\u003ctd data-start=\"5289\" data-end=\"5308\" data-col-size=\"sm\"\u003eDissolved Oxygen\u003c\/td\u003e\n\u003ctd data-start=\"5308\" data-end=\"5320\" data-col-size=\"sm\"\u003e\u0026gt; 6 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5321\" data-end=\"5369\"\u003e\n\u003ctd data-start=\"5321\" data-end=\"5328\" data-col-size=\"sm\"\u003eFlow\u003c\/td\u003e\n\u003ctd data-start=\"5328\" data-end=\"5369\" data-col-size=\"sm\"\u003eGentle to moderate, no stagnant zones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"5371\" data-end=\"5374\"\u003e\n\u003ch3 data-start=\"5376\" data-end=\"5393\"\u003e3. Tank Setup\u003c\/h3\u003e\n\u003cp data-start=\"5395\" data-end=\"5452\"\u003e\u003cstrong data-start=\"5395\" data-end=\"5409\"\u003eSubstrate:\u003c\/strong\u003e\u003cbr data-start=\"5409\" data-end=\"5412\"\u003eFine river sand (1–2 mm), 2–3 cm depth\u003c\/p\u003e\n\u003cp data-start=\"5454\" data-end=\"5589\"\u003e\u003cstrong data-start=\"5454\" data-end=\"5468\"\u003eHardscape:\u003c\/strong\u003e\u003cbr data-start=\"5468\" data-end=\"5471\"\u003eLarge quantities of smooth river stones, slate, or shale\u003cbr data-start=\"5527\" data-end=\"5530\"\u003eStones should be pre-conditioned with algae for 2–4 weeks\u003c\/p\u003e\n\u003cp data-start=\"5591\" data-end=\"5669\"\u003e\u003cstrong data-start=\"5591\" data-end=\"5604\"\u003eLighting:\u003c\/strong\u003e\u003cbr data-start=\"5604\" data-end=\"5607\"\u003eModerate intensity, 6–8 hours daily to promote diatom growth\u003c\/p\u003e\n\u003cp data-start=\"5671\" data-end=\"5793\"\u003e\u003cstrong data-start=\"5671\" data-end=\"5693\"\u003eFiltration \u0026amp; Flow:\u003c\/strong\u003e\u003cbr data-start=\"5693\" data-end=\"5696\"\u003eOutlet directed along the substrate to create gentle circulation and prevent waste accumulation\u003c\/p\u003e\n\u003cp data-start=\"5795\" data-end=\"5872\"\u003e💡 \u003cem data-start=\"5798\" data-end=\"5872\"\u003eAlgae-covered stones = natural feeding stations and long-term stability.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"5874\" data-end=\"5877\"\u003e\n\u003ch2 data-start=\"5879\" data-end=\"5906\"\u003eIX. Feeding in Captivity\u003c\/h2\u003e\n\u003cp data-start=\"5908\" data-end=\"5957\"\u003e\u003cstrong data-start=\"5908\" data-end=\"5925\"\u003ePrimary food:\u003c\/strong\u003e\u003cbr data-start=\"5925\" data-end=\"5928\"\u003eNatural algae biofilm (ideal)\u003c\/p\u003e\n\u003cp data-start=\"5959\" data-end=\"5985\"\u003e\u003cstrong data-start=\"5959\" data-end=\"5983\"\u003eSupplementary foods:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"5986\" data-end=\"6055\"\u003e\n\u003cli data-start=\"5986\" data-end=\"6014\"\u003e\n\u003cp data-start=\"5988\" data-end=\"6014\"\u003eSinking spirulina wafers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6015\" data-end=\"6035\"\u003e\n\u003cp data-start=\"6017\" data-end=\"6035\"\u003eBlanched spinach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6036\" data-end=\"6055\"\u003e\n\u003cp data-start=\"6038\" data-end=\"6055\"\u003eSpirulina paste\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6057\" data-end=\"6158\"\u003e\u003cstrong data-start=\"6057\" data-end=\"6079\"\u003eOccasional treats:\u003c\/strong\u003e\u003cbr data-start=\"6079\" data-end=\"6082\"\u003eMicro-worms, finely chopped bloodworms (≤ once per week, very small amounts)\u003c\/p\u003e\n\u003cp data-start=\"6160\" data-end=\"6228\"\u003e\u003cstrong data-start=\"6160\" data-end=\"6170\"\u003eAvoid:\u003c\/strong\u003e\u003cbr data-start=\"6170\" data-end=\"6173\"\u003eFloating pellets, high-fat foods, dry carnivore feeds\u003c\/p\u003e\n\u003cp data-start=\"6230\" data-end=\"6304\"\u003e\u003cstrong data-start=\"6230\" data-end=\"6252\"\u003eFeeding frequency:\u003c\/strong\u003e\u003cbr data-start=\"6252\" data-end=\"6255\"\u003eEvery other day; amount consumed within 2 hours\u003c\/p\u003e\n\u003chr data-start=\"6306\" data-end=\"6309\"\u003e\n\u003ch2 data-start=\"6311\" data-end=\"6353\"\u003eX. Compatibility and Conservation Notes\u003c\/h2\u003e\n\u003ch3 data-start=\"6355\" data-end=\"6377\"\u003eSuitable Tankmates\u003c\/h3\u003e\n\u003cul data-start=\"6379\" data-end=\"6519\"\u003e\n\u003cli data-start=\"6379\" data-end=\"6458\"\u003e\n\u003cp data-start=\"6381\" data-end=\"6458\"\u003ePeaceful mid–upper layer fish (White Cloud Mountain Minnows, danios, barbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6459\" data-end=\"6519\"\u003e\n\u003cp data-start=\"6461\" data-end=\"6519\"\u003eAdult ornamental shrimp — no competition, no disturbance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"6521\" data-end=\"6543\"\u003eAvoid Keeping With\u003c\/h3\u003e\n\u003cul data-start=\"6545\" data-end=\"6702\"\u003e\n\u003cli data-start=\"6545\" data-end=\"6610\"\u003e\n\u003cp data-start=\"6547\" data-end=\"6610\"\u003ePlecos and large suckermouth catfish (competition and stress)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6611\" data-end=\"6669\"\u003e\n\u003cp data-start=\"6613\" data-end=\"6669\"\u003eAggressive species (bettas, cichlids, large cyprinids)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6670\" data-end=\"6702\"\u003e\n\u003cp data-start=\"6672\" data-end=\"6702\"\u003eHigh-density bottom dwellers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"6704\" data-end=\"6707\"\u003e\n\u003ch3 data-start=\"6709\" data-end=\"6734\"\u003eConservation Reminder\u003c\/h3\u003e\n\u003cul data-start=\"6736\" data-end=\"6875\"\u003e\n\u003cli data-start=\"6736\" data-end=\"6788\"\u003e\n\u003cp data-start=\"6738\" data-end=\"6788\"\u003eEndemic Chinese species with narrow distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6789\" data-end=\"6832\"\u003e\n\u003cp data-start=\"6791\" data-end=\"6832\"\u003eWild populations sensitive to pollution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6833\" data-end=\"6875\"\u003e\n\u003cp data-start=\"6835\" data-end=\"6875\"\u003eCollection regulated under Chinese law\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6877\" data-end=\"7017\"\u003e👉 Prefer captive-bred specimens\u003cbr data-start=\"6909\" data-end=\"6912\"\u003e👉 Reject wild-caught fish of unclear origin\u003cbr data-start=\"6956\" data-end=\"6959\"\u003e👉 Observe responsibly — photograph only, do not disturb\u003c\/p\u003e\n\u003chr data-start=\"7019\" data-end=\"7022\"\u003e\n\u003ch2 data-start=\"7024\" data-end=\"7038\"\u003eXI. Summary\u003c\/h2\u003e\n\u003cp data-start=\"7040\" data-end=\"7286\"\u003e\u003cem data-start=\"7040\" data-end=\"7065\"\u003ePseudogastromyzon fangi\u003c\/em\u003e is a large, beautifully patterned endemic hillstream loach.\u003cbr data-start=\"7125\" data-end=\"7128\"\u003eIts dense head spotting transitions naturally into vertical body bands, with males bearing snout tubercles and a highly specialized three-lobed adhesive disc.\u003c\/p\u003e\n\u003cp data-start=\"7288\" data-end=\"7442\"\u003eIt does not require massive aquaria —\u003cbr data-start=\"7325\" data-end=\"7328\"\u003eA 40 cm tank supports small groups comfortably, while a 60 cm system accommodates up to ten individuals with ease.\u003c\/p\u003e\n\u003cp data-start=\"7444\" data-end=\"7529\"\u003eWith clean flowing water, algae-covered stones, and moderate temperature, it becomes:\u003c\/p\u003e\n\u003cul data-start=\"7531\" data-end=\"7665\"\u003e\n\u003cli data-start=\"7531\" data-end=\"7569\"\u003e\n\u003cp data-start=\"7533\" data-end=\"7569\"\u003eA silent guardian of water quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"7570\" data-end=\"7611\"\u003e\n\u003cp data-start=\"7572\" data-end=\"7611\"\u003eAn efficient natural algae controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"7612\" data-end=\"7665\"\u003e\n\u003cp data-start=\"7614\" data-end=\"7665\"\u003eA refined centerpiece for advanced stream aquaria\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eira Aquatics","offers":[{"title":"Default Title","offer_id":46330156220605,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7181\/5869\/files\/1-_____-___-20260117000805_3d20e353-59b6-4edf-bd5a-4aae88e5f2c3.jpg?v=1769835763","url":"https:\/\/eiraaquatics.com\/products\/fangs-hillstream-loach-pseudogastromyzon-fangi","provider":"Eira Aquatics","version":"1.0","type":"link"}