{"product_id":"reticulated-hillstream-loach-sewellia-lineolata","title":"Reticulated Hillstream Loach - Sewellia lineolata","description":"\u003ch1\u003e\n\u003cspan\u003eReticulated Hillstream Loach – \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eSewellia lineolata\u003c\/span\u003e\u003c\/em\u003e\n\u003c\/h1\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eReticulated Hillstream Loach\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a specialist river-style loach with a flattened body, beautiful maze-like patterning and fascinating grazing behaviour. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSewellia lineolata\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is best suited to mature aquariums with strong flow, high oxygen and established biofilm, making it an excellent choice for aquarists wanting an active, peaceful hillstream fish rather than a standard tropical community bottom dweller.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Identification:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCommon Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Reticulated Hillstream Loach\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOther Names:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tiger Hillstream Loach, Gold Ring Hillstream Loach, Butterfly Sucker, Hillstream Loach\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eScientific Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eSewellia lineolata\u003c\/span\u003e\u003c\/em\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFish Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hillstream Loach \/ Balitorid-type Loach\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWater Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Freshwater\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eNatural Range \u0026amp; Habitat:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cem\u003e\u003cspan\u003eSewellia lineolata\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e is native to Vietnam, where it inhabits fast-flowing streams, rapids, riffles and rocky river sections. These habitats are typically shallow, oxygen-rich and exposed to current, with smooth stones, boulders and surfaces coated in algae, aufwuchs and biofilm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAquarium care should recreate these river conditions with strong filtration, excellent oxygenation, high surface movement and plenty of smooth rock surfaces for grazing. This species should not be kept in stagnant, overheated or newly set-up aquariums with little natural biofilm.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAppearance \u0026amp; Adult Size:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReticulated Hillstream Loaches have a flattened, streamlined body adapted for clinging to rocks in current. The body and fins are patterned with dark reticulated lines, rings or maze-like markings over a golden, tan or olive base colour. Their broad pectoral and pelvic fins help them grip surfaces, giving them a butterfly-like shape when viewed from above.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAdults usually reach around \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5–6 cm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Males are often slimmer and may show a more angular head and pectoral fin shape, while females tend to be rounder-bodied, especially when well conditioned.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAquarium Suitability:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis species is best suited to a mature river-style aquarium, hillstream setup or cool-to-moderate tropical community with excellent water movement. Provide smooth stones, rounded cobbles, wood, open grazing surfaces and strong lighting to encourage natural algae and biofilm growth. A powerful filter, additional circulation pump or air-driven flow can be useful.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReticulated Hillstream Loaches are not suitable for brand-new aquariums, very warm discus-style tanks, low-oxygen setups, dirty substrates or aquariums where algae and biofilm are constantly removed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRecommended Aquarium Size:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA practical minimum is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e90 litres\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for a small group, with a tank footprint of at least \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e75 x 30 cm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e recommended. Larger aquariums of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120 litres or more\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are preferred for stronger flow, more grazing surfaces and groups of several fish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlthough small, this species needs surface area and water movement more than height. A long, shallow-style aquarium is often better than a tall tank.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWater Conditions:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eTemperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20–24°C\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003epH:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6.5–7.8\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHardness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Soft to moderately hard\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAdditional Notes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High oxygen and clean water are essential. Maintain strong surface agitation, regular water changes and stable conditions. This species can tolerate slightly warmer water if oxygen levels are very high, but long-term care is best in cooler, well-oxygenated conditions. Avoid high nitrate, low flow and sudden temperature swings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTemperament \u0026amp; Tank Mates:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAquarium Category:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Community Fish\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReticulated Hillstream Loaches are peaceful with other fish, but they can be territorial with one another over favourite grazing stones. This is usually display behaviour rather than serious aggression when the aquarium has enough space and multiple feeding areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable tank mates include White Cloud Mountain Minnows, small danios, peaceful rasboras, smaller barbs, Stiphodon gobies, Cory-type catfish in compatible temperatures, bristlenose plecs and other peaceful community fish that enjoy clean, oxygen-rich water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAvoid large predators, aggressive cichlids, goldfish, very warm-water species, slow long-finned fish in unsuitable flow and boisterous bottom feeders that will outcompete them for food. Keep singly only if space is limited, but \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003egroups of 3 or more\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are better, with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5–6\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e preferred in larger river-style aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeeding:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReticulated Hillstream Loaches graze on biofilm, soft algae, aufwuchs and tiny invertebrates from hard surfaces. They should not be expected to survive on algae alone. Offer sinking algae wafers, spirulina foods, specialist grazer pellets, soft gel foods, blanched courgette, spinach or other vegetables, and occasional small frozen foods such as daphnia, cyclops, brineshrimp or bloodworm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeed after lights-out or place food directly onto rock surfaces if faster tank mates take everything first. A mature aquarium with natural grazing growth is strongly recommended before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBehaviour in the Aquarium:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis species spends much of its time attached to rocks, glass, wood and décor, grazing with short movements across surfaces. In good conditions it is active during the day and can often be seen displaying, shuffling over stones and defending preferred feeding spots.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReticulated Hillstream Loaches are excellent climbers and can move up glass and filter outlets, so a secure lid and covered gaps are recommended. Their activity and confidence improve when the aquarium is mature, well oxygenated and not overcrowded.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare Notes:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAdd only to a fully cycled, established aquarium with visible biofilm or soft algae growth. Maintain strong flow, high oxygen and very clean water. Avoid medications containing copper unless confirmed safe for loaches, and never expose them to poor water quality or low oxygen. Do not house in aquariums that are too warm, newly set up or heavily stocked.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause this is a specialist hillstream species, it is best sold to customers who understand river-style aquarium care and can provide long-term grazing surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRecommended For:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIntermediate\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAvailability:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOccasional \/ Specialist import, with captive-bred availability increasing in some markets\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImage Disclaimer:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAll images are a visual representation of the fish you will receive, made to be as accurate as possible. Natural variation in size, colour, reticulated pattern, body shape and markings can occur between individual fish.\u003c\/span\u003e\u003c\/p\u003e","brand":"Warehouse Aquatics","offers":[{"title":"Small","offer_id":43697392713802,"sku":"AG-103294","price":7.95,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":43697392746570,"sku":"AG-103295","price":8.45,"currency_code":"GBP","in_stock":false},{"title":"Large","offer_id":43697392779338,"sku":"AG-103296","price":8.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1877\/2298\/files\/ReticulatedHillstreamLoach-Sewellialineolata.jpg?v=1781275632","url":"https:\/\/warehouse-aquatics.co.uk\/products\/reticulated-hillstream-loach-sewellia-lineolata","provider":"Warehouse Aquatics","version":"1.0","type":"link"}