{"product_id":"parabotia-fasciatus-species-profile","title":"Parabotia fasciatus Species Profile","description":"\u003cdiv\u003e\u003cstrong\u003e— The “Striped Stream Loach” of River Bottoms\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eI. Species Overview\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFamily: Traditionally Cobitidae (\u003cstrong\u003eLoach\u003c\/strong\u003e family), currently classified in Botiidae (Spined loach family)\u003c\/li\u003e\n\u003cli\u003eGenus: Parabotia\u003c\/li\u003e\n\u003cli\u003eSpecies: Parabotia fasciatus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e← Back to \u003ca href=\"https:\/\/eiraaquatics.com\/collections\/loach\"\u003e\u003cstrong\u003e\u003cem data-start=\"1121\" data-end=\"1140\"\u003eLoach\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e (genus overview)\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eParabotia fasciatus is a small benthic freshwater fish primarily distributed across multiple river systems in China, and is one of the representative bottom-dwelling species in East Asian freshwater river ecosystems.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eRecognized for its distinctive black-and-yellow vertical body banding and uniquely spotted fins, it combines ecological significance with high ornamental appeal. With relatively strong environmental adaptability and stable local populations in most habitats, it is regarded as an important indicator species for evaluating freshwater ecosystem health.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eAmong native fish enthusiasts, this species is highly prized for its slender, agile body form and striking contrasting stripe pattern.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eII. Morphology and Coloration\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eBody Structure\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe body is elongated and laterally compressed. Adult length typically ranges from 6–10 cm, with the maximum recorded size reaching up to 15 cm.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe snout is pointed and protruding; the mouth is inferior and horseshoe-shaped, with three pairs of barbels (two rostral pairs, one maxillary pair). A \u003cstrong\u003ekey diagnostic feature\u003c\/strong\u003e is the \u003cstrong\u003ebifurcated suborbital spine\u003c\/strong\u003e located beneath the eye.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eLateral Banding\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eBase body color is yellow-brown, with a pale grayish-white abdomen. The body sides are marked with 13–15 dark brown vertical bands of uniform width, creating a sharp black-and-yellow contrasting pattern.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eFin Characteristics\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eDorsal and caudal fins have a pale yellow base, covered with dense black spots arranged in continuous longitudinal \"beaded\" rows — the spotting pattern is identical on both fins for consistent identification.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe caudal fin is distinctly forked, with spotting extending to the tips of the fin lobes. A prominent dark brown spot is present at the center of the base of the caudal fin. Pectoral and pelvic fins match the abdominal color and lack obvious markings.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eIII. Distribution and Habitat\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eGeographic Distribution\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eWidely distributed in eastern and southern China, spanning major freshwater river systems including:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eHeilongjiang Basin (northern distribution limit)\u003c\/li\u003e\n\u003cli\u003eYellow River Basin\u003c\/li\u003e\n\u003cli\u003eHuai River Basin\u003c\/li\u003e\n\u003cli\u003eYangtze River Basin\u003c\/li\u003e\n\u003cli\u003ePearl River Basin (southern distribution limit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIt is predominantly found in \u003cstrong\u003elow-altitude river sections (below 500m)\u003c\/strong\u003e, with a concentrated distribution in the middle and lower reaches of rivers.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eHabitat Preference\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis species is a benthic dweller of sandy or gravel river substrates, preferring moderate to slow current zones, shallow riffles, and crevices among stones. It is crepuscular to nocturnal: hiding in substrate gaps during daylight hours and emerging to forage at night.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eEnvironmental Tolerance\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eCompared with specialized hillstream loaches, it has stronger environmental adaptability. Optimal captive conditions:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eTemperature: 18–26°C\u003c\/li\u003e\n\u003cli\u003epH: 6.5–7.5\u003c\/li\u003e\n\u003cli\u003eWell-oxygenated water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIt tolerates mildly turbid water but exhibits optimal coloration and vitality in clean, high-DO environments. Under proper captive care, it is a medium-lived species with a typical lifespan of 5–8 years.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eIV. Similar Species Comparison\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecies\u003c\/th\u003e\n\u003cth\u003eKey Distinguishing Features\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eParabotia fasciatus\u003c\/td\u003e\n\u003ctd\u003e13–15 uniform vertical body bands; \"beaded\" spotting on dorsal\/caudal fins; bifurcated suborbital spine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeptobotia elongata (Elongate loach)\u003c\/td\u003e\n\u003ctd\u003eMuch larger body (commonly 20–30cm, extreme wild individuals can exceed 50cm); only 5–7 broad vertical bands (irregular in adults); striped (not spotted) fins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSinibotia superciliaris (Chinese sand loach)\u003c\/td\u003e\n\u003ctd\u003e7–9 broad gray vertical body bands; bifurcated suborbital spine extending to posterior eye margin; 2 pairs of mental tubercles on the chin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eV. Captive Care\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eWater Management\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eMaintain a stable water environment to avoid stress:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eKeep temperature between 18–26°C; avoid exceeding 28°C in summer and dropping below 15°C in winter.\u003c\/li\u003e\n\u003cli\u003eMaintain ammonia and nitrite at \u003cstrong\u003ebelow 0.1 mg\/L\u003c\/strong\u003e; pH stable at 6.5–7.5.\u003c\/li\u003e\n\u003cli\u003ePerform weekly water changes of 25–33% with aerated, temperature-matched new water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eFeeding\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eAn omnivorous benthic feeder, with a natural diet of aquatic insect larvae, organic detritus, and periphytic algae.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cstrong\u003eCaptive feeding recommendations\u003c\/strong\u003e:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eStaple food: Sinking pelleted feed, frozen bloodworms, Tubifex worms\u003c\/li\u003e\n\u003cli\u003eSupplementary food: Occasional spirulina wafers (for algal nutrition)\u003c\/li\u003e\n\u003cli\u003eFeeding regime: Once daily, feed an amount consumed within 5 minutes to avoid detritus buildup and water deterioration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eVI. Aquarium Setup\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank size\u003c\/strong\u003e: Minimum 40cm in length, width ≥20cm (to accommodate benthic movement). Avoid round tanks for poor water circulation and limited activity space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate\u003c\/strong\u003e: 3–5mm natural river pebbles or stream sand, 3–5cm thick (mimics native gravel substrate and provides hiding crevices).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardscape\u003c\/strong\u003e: Smooth rocks and driftwood stacked to form multiple hiding spaces; minimal aquatic plants recommended (sparse in native habitat), with small shade-tolerant species (e.g., Sagittaria subulata) as optional accents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment\u003c\/strong\u003e: Efficient filtration for water clarity; small wave maker for moderate water circulation (strong current not required); \u003cstrong\u003etight-fitting tank lid mandatory\u003c\/strong\u003e (species has a strong jumping tendency).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eVII. Tank Mates\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eSuitable\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eSmall, peaceful fish with non-overlapping ecological niches:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eMid-upper water column native fish (bitterlings, small barbs)\u003c\/li\u003e\n\u003cli\u003eRhinogobius species (gobies, fellow benthic dwellers with similar environmental needs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eAvoid\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive fish (cichlids, bettas) that may attack or outcompete\u003c\/li\u003e\n\u003cli\u003eLarge benthic competitors (plecos, large loach species) that fight for substrate space and food\u003c\/li\u003e\n\u003cli\u003eHigh-biomass fish (e.g., goldfish) that increase bioload and oxygen competition\u003c\/li\u003e\n\u003cli\u003eSharp-finned or territorial species that may inflict physical damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eVIII. Reproduction\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWild spawning characteristics\u003c\/strong\u003e:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSpawning season: June–August (late spring to summer)\u003c\/li\u003e\n\u003cli\u003eTrigger temperature: 25–28°C\u003c\/li\u003e\n\u003cli\u003eNatural recruitment depends heavily on seasonal flow fluctuations.\u003c\/li\u003e\n\u003cli\u003eEggs: Pelagic and non-adhesive, drifting with river currents for development\u003c\/li\u003e\n\u003cli\u003eHatching: At a constant 28°C, embryonic development and hatching occur within 12–24 hours (environment-dependent); larvae rely on yolk sac reserves initially, then feed on small zooplankton.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCaptive breeding note\u003c\/strong\u003e: Artificial breeding technology remains technically challenging with limited successful records; requires simulating natural river conditions (moderate current, gravel substrate) and providing abundant aquatic insect larvae as broodstock nutrition.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eIX. Health Management\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eCommon health issues are primarily water quality or temperature-related; loaches are sensitive to chemical medications, so \u003cstrong\u003ereduce all medication dosages by 50%\u003c\/strong\u003e when treating.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eFin rot\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eCause: Poor water quality (elevated ammonia\/nitrite), physical abrasion\u003c\/li\u003e\n\u003cli\u003eTreatment: 33% water change, raise temperature to 26°C, add 0.3% non-iodized salt; use half-dosage antibacterial medication if symptoms persist.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIch (White Spot Disease)\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eCause: Sudden temperature drop, parasitic infestation from new fish\u003c\/li\u003e\n\u003cli\u003eTreatment: Raise gradually to 27–28°C while ensuring strong aeration, maintain for 3–5 days; use half-dosage ich medication if natural treatment is ineffective.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntestinal disorders\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eCause: Overfeeding, contaminated live food, abrupt diet changes\u003c\/li\u003e\n\u003cli\u003eTreatment: Fast for 2–3 days, resume with small amounts of high-quality sinking feed mixed with garlic extract; improve water circulation and filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eX. Conservation Notes\u003c\/h2\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eParabotia fasciatus is not currently listed in national wildlife protection catalogs in China, but local populations are experiencing gradual decline due to anthropogenic impacts:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eRiver habitat destruction (damming, channelization)\u003c\/li\u003e\n\u003cli\u003eWater pollution and sedimentation\u003c\/li\u003e\n\u003cli\u003eUnregulated wild collection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eResponsible aquarist guidelines\u003c\/strong\u003e:\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePurchase only legally sourced, captive-bred specimens (avoid wild-caught individuals)\u003c\/li\u003e\n\u003cli\u003eNever release captive-bred fish into natural water bodies (to prevent genetic contamination and ecological disruption)\u003c\/li\u003e\n\u003cli\u003eMaintain stable captive conditions to reduce mortality and minimize the need for wild collection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eira Aquatics","offers":[{"title":"Default Title","offer_id":46376989589693,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7181\/5869\/files\/ezgif-frame-001_aef9efb5-9eb3-4684-bf76-98622253a6df.png?v=1770043031","url":"https:\/\/eiraaquatics.com\/products\/parabotia-fasciatus-species-profile","provider":"Eira Aquatics","version":"1.0","type":"link"}