{"product_id":"threadfin-goby-3inch","title":"Threadfin Goby 3inch","description":"\u003c!-- ============================================================\n     BEST4PETS.IN — PRODUCT DESCRIPTION BLOCK (DARK THEME)\n     Longfin Stream Goby (Sicyopterus longifilis)\n     Paste into Shopify \u003e Product \u003e Description \u003e \"\u003c\u003e\" (Show HTML)\n     VERIFY BEFORE PUBLISHING: adult size and locality — see notes\n     ============================================================ --\u003e\n\n\u003cdiv style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#EAF0F5;line-height:1.65;font-size:16px;max-width:760px;\"\u003e\n\n  \u003c!-- HOOK --\u003e\n  \u003cp style=\"font-size:18px;line-height:1.6;margin:0 0 18px;color:#EAF0F5;\"\u003e\n    \u003cstrong style=\"color:#FFFFFF;\"\u003eThe name means \"long thread\", and it refers to the fins.\u003c\/strong\u003e Displaying males of \u003cem\u003eSicyopterus longifilis\u003c\/em\u003e raise a first dorsal fin whose leading rays extend into fine trailing filaments, held up like a banner during standoffs over grazing territory. The rest of the time the fish is a mottled stone-coloured shape clamped to a rock, and you would walk past it. The switch between the two is the whole appeal.\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin:0 0 22px;color:#EAF0F5;\"\u003e\n    This is a waterfall-climbing goby. Its pelvic fins are fused into an adhesive disc strong enough to hold station in torrential current and haul the fish up wet vertical rock — the same architecture that lets its relatives colonise island streams hundreds of metres above the sea. Its mouth is equally specialised: an underslung scraper carrying rows of fine teeth that are shed and replaced continuously as they wear against stone.\n  \u003c\/p\u003e\n\n  \u003c!-- HARD WARNING CALLOUT --\u003e\n  \u003cdiv style=\"border-left:4px solid #F2A03D;background:rgba(242,160,61,0.13);padding:14px 18px;margin:0 0 26px;border-radius:0 6px 6px 0;\"\u003e\n    \u003cp style=\"margin:0 0 10px;font-size:15px;color:#F7E4CB;\"\u003e\n      \u003cstrong style=\"color:#FFC978;\"\u003eSpecialist species — please read before ordering.\u003c\/strong\u003e\n    \u003c\/p\u003e\n    \u003cp style=\"margin:0;font-size:15px;color:#F7E4CB;\"\u003e\n      Wild-collected, impossible to breed in home aquaria, and an obligate algae scraper that will not switch to conventional aquarium food. It needs a mature, algae-covered river tank with strong flow, high oxygen and water held below about 26 °C. Placed in an ordinary tropical community tank it will starve over several weeks while appearing outwardly healthy. If that setup is not something you can commit to, we would genuinely rather you bought something else.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- QUICK FACTS --\u003e\n  \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eCare Snapshot\u003c\/h3\u003e\n\n  \u003ctable style=\"width:100%;border-collapse:collapse;margin:0 0 30px;font-size:15px;color:#EAF0F5;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background:rgba(255,255,255,0.06);\"\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);width:42%;color:#A9BCCB;\"\u003eScientific name\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003e\n\u003cem\u003eSicyopterus longifilis\u003c\/em\u003e (Weber, 1895)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eFamily\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003eOxudercidae, subfamily Sicydiinae — rock-climbing gobies\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:rgba(255,255,255,0.06);\"\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eOrigin\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003eWild-collected — island streams of the New Guinea region\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eHabitat\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003eFast, clear, rocky stretches of coastal and upland streams\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:rgba(255,255,255,0.06);\"\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eLife history\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003eAmphidromous — marine larval stage, freshwater adult\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eMinimum tank\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003e100 litres, minimum 90 cm length, river-tank layout\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:rgba(255,255,255,0.06);\"\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eTemperature\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003e22–26 °C — cooler than most tropicals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003epH\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003e7.0–8.0\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:rgba(255,255,255,0.06);\"\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eWater quality\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003eAmmonia 0 · Nitrite 0 · Nitrate under 20 ppm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eFlow\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003eStrong and directional, high oxygen — essential\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:rgba(255,255,255,0.06);\"\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eDiet\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003eObligate algae and diatom scraper; gel diets essential in captivity\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#A9BCCB;\"\u003eTemperament\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.14);color:#EAF0F5;\"\u003ePeaceful; males defend grazing territories\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:rgba(255,255,255,0.06);\"\u003e\n        \u003ctd style=\"padding:9px 12px;color:#A9BCCB;\"\u003eCare level\u003c\/td\u003e\n        \u003ctd style=\"padding:9px 12px;color:#EAF0F5;\"\u003eAdvanced — dedicated setup required\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- SETUP --\u003e\n  \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eBuilding The Right Tank\u003c\/h3\u003e\n  \u003cul style=\"margin:0 0 30px;padding-left:20px;color:#EAF0F5;\"\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eHardscape is the habitat, not decoration.\u003c\/strong\u003e Smooth river cobbles and flat slabs over sand, stacked into ledges and channels. Surface area of grazeable stone is what determines how many fish the tank supports — far more than water volume does.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eDirectional flow, 15–20× turnover.\u003c\/strong\u003e Drive current along the tank's length rather than churning it. A powerhead or circulation pump alongside the filter is the standard approach, with the return kept below the surface to avoid microbubbles.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eOxygen saturation is the priority.\u003c\/strong\u003e These fish come from broken water at the base of rapids. Strong surface movement is mandatory, and becomes critical as the tank warms.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eMature the tank for six months before the fish arrives.\u003c\/strong\u003e Run the light hard, let the stones green over, and leave them alone. A scraped-clean tank is an empty larder. This step is not optional and cannot be rushed.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eBright light, deliberately.\u003c\/strong\u003e You are farming diatoms and green film on rock. Resist every instinct to clean the hardscape — glass only.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eSeal the tank completely.\u003c\/strong\u003e This fish climbs wet rock faces in the wild and will climb silicone seams and pipework. Any gap around a hose or heater cable is an exit.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- TANK MATES --\u003e\n  \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eTank Mates\u003c\/h3\u003e\n  \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;margin:0 0 30px;\"\u003e\n    \u003cdiv style=\"flex:1 1 260px;border:1px solid rgba(95,212,196,0.35);background:rgba(95,212,196,0.08);border-radius:8px;padding:16px 18px;\"\u003e\n      \u003cp style=\"margin:0 0 8px;font-weight:700;color:#5FD4C4;\"\u003eGood matches\u003c\/p\u003e\n      \u003cp style=\"margin:0;font-size:15px;color:#EAF0F5;\"\u003eA species tank is best. Otherwise only fellow hillstream specialists on the same cool, high-flow regime — \u003cem\u003eSewellia\u003c\/em\u003e and \u003cem\u003eGastromyzon\u003c\/em\u003e hillstream loaches, \u003cem\u003eStiphodon\u003c\/em\u003e and \u003cem\u003eRhinogobius\u003c\/em\u003e gobies, and fast-water danionins that occupy the water column rather than the rocks.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 260px;border:1px solid rgba(242,160,61,0.4);border-radius:8px;padding:16px 18px;background:rgba(242,160,61,0.1);\"\u003e\n      \u003cp style=\"margin:0 0 8px;font-weight:700;color:#FFC978;\"\u003eKeep away from\u003c\/p\u003e\n      \u003cp style=\"margin:0;font-size:15px;color:#EAF0F5;\"\u003eStandard tropical community fish — wrong temperature, wrong flow, and they will clear any food before a deliberate grazer reaches it. Also avoid efficient algae-eaters such as Bristlenose Plecos and large snail colonies, which strip the biofilm this fish depends on. No aggressive or large species.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cp style=\"margin:0 0 30px;font-size:15px;color:#A9BCCB;\"\u003eMales hold grazing territories and will display at rivals. Keep either a single male, or a group in a tank long enough and complex enough that a displaced fish has somewhere to go.\u003c\/p\u003e\n\n  \u003c!-- FEEDING --\u003e\n  \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eFeeding — This Is What Decides Success\u003c\/h3\u003e\n  \u003cp style=\"margin:0 0 12px;color:#EAF0F5;\"\u003e\n    \u003cem\u003eSicyopterus\u003c\/em\u003e is among the most specialised feeders in freshwater. The mouth is built to scrape film from stone, and the fish does not chase food, does not take flake from the surface, and will frequently ignore pellets sitting on the substrate. Nearly every failure with this genus is starvation, and it is slow enough that keepers usually blame something else.\n  \u003c\/p\u003e\n  \u003cp style=\"margin:0 0 12px;color:#EAF0F5;\"\u003e\n    \u003cstrong style=\"color:#FFFFFF;\"\u003eGel food smeared onto a flat stone is the working solution.\u003c\/strong\u003e An algae or spirulina-based gel diet spread thinly across a slab reproduces the scraping action and lets you actually watch the fish feed — which is the only reliable way to know it is eating. Place the stone in a sheltered pocket out of the main current and feed daily.\n  \u003c\/p\u003e\n  \u003cp style=\"margin:0 0 12px;color:#EAF0F5;\"\u003e\n    Supplement with sinking algae wafers, blanched courgette or spinach, and from the \u003cstrong style=\"color:#FFFFFF;\"\u003eAQA\u003c\/strong\u003e range a vegetable-based sinking tablet. Small frozen foods — cyclops, daphnia, baby brine shrimp — are occasionally taken and useful for condition, but they are not the diet.\n  \u003c\/p\u003e\n  \u003cp style=\"margin:0 0 30px;font-size:15px;color:#A9BCCB;\"\u003e\n    Watch the belly profile weekly. A hollowing abdomen is the early warning, and by the time behaviour changes it is usually late.\n  \u003c\/p\u003e\n\n  \u003c!-- SEXING \u0026 BREEDING --\u003e\n  \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eSexing \u0026amp; Breeding\u003c\/h3\u003e\n  \u003cp style=\"margin:0 0 12px;color:#EAF0F5;\"\u003e\n    \u003cstrong style=\"color:#FFFFFF;\"\u003eMales\u003c\/strong\u003e are larger, develop the extended dorsal filaments the species is named for, and show far stronger colour and contrast when displaying. \u003cstrong style=\"color:#FFFFFF;\"\u003eFemales\u003c\/strong\u003e remain smaller and plainer, with a shorter dorsal and mottled cryptic patterning. As with all sicydiine gobies, male colour is a mood state rather than a fixed feature — the same fish looks completely different before and after a rival appears.\n  \u003c\/p\u003e\n  \u003cp style=\"margin:0 0 30px;color:#EAF0F5;\"\u003e\n    \u003cstrong style=\"color:#FFFFFF;\"\u003eCaptive breeding is not possible in a home aquarium.\u003c\/strong\u003e The species is amphidromous. Adults spawn in freshwater, the tiny larvae are washed downstream to the sea, spend weeks to months developing in marine plankton, and the postlarvae then re-enter river mouths and climb upstream — often over waterfalls — to reach adult habitat. No part of that cycle can be replicated in a tank, which is why every specimen in the trade is wild-caught.\n  \u003c\/p\u003e\n\n  \u003c!-- CONSERVATION --\u003e\n  \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eA Note On Wild-Collected Stock\u003c\/h3\u003e\n  \u003cp style=\"margin:0 0 30px;color:#EAF0F5;\"\u003e\n    Every one of these fish came out of a wild stream and none can be replaced by captive breeding. Amphidromous species are unusually exposed: they depend on an unbroken connection between headwater, river mouth and sea, so a single weir, culvert or diversion low down a catchment can cut off the entire population above it. Mining, logging and water extraction across the region compound that. We state this on the listing rather than in the small print because we think it should inform the decision. Buy this fish to keep it properly for its full life, not to find out whether you can.\n  \u003c\/p\u003e\n\n  \u003c!-- INDIA NOTES --\u003e\n  \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eKeeping It In Indian Conditions\u003c\/h3\u003e\n  \u003cul style=\"margin:0 0 30px;padding-left:20px;color:#EAF0F5;\"\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eCooling is the deciding constraint.\u003c\/strong\u003e The working ceiling is around 26 °C. Across the plains and the coast an unmanaged tank sits well above that for months, and heat combined with falling oxygen is precisely what this fish is least able to tolerate. For most of the country, plan for a chiller from the outset and budget it alongside the tank.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003eBengaluru, Pune and hill-station keepers have the easiest run, though even there a surface fan and a cool room will be needed through April and May.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003eBecause the tank must run cool and heavily oxygenated, this is a dedicated build and will not share a room-temperature tropical community.\u003c\/li\u003e\n    \u003cli style=\"margin-bottom:9px;\"\u003eIndian tap water generally sits in the right pH range and suits this species without adjustment. Hard, alkaline water is fine. The ongoing work is nitrate control and keeping the algae film growing faster than the fish grazes it.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- WHAT YOU GET --\u003e\n  \u003cdiv style=\"border-top:2px solid #5FD4C4;padding-top:18px;\"\u003e\n    \u003ch3 style=\"font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5FD4C4;margin:0 0 12px;font-weight:700;\"\u003eWhat You Receive\u003c\/h3\u003e\n    \u003cp style=\"margin:0 0 10px;font-size:15px;color:#EAF0F5;\"\u003e\n      Wild-collected specimens, quarantined at our Bengaluru facility and conditioned onto gel and prepared foods before dispatch. Sex, size and colour intensity vary between individuals and cannot be guaranteed. Packed with oxygen and insulation for pan-India delivery.\n    \u003c\/p\u003e\n    \u003cp style=\"margin:0;font-size:15px;color:#A9BCCB;\"\u003e\n      Covered by the Best4Pets live arrival guarantee. Please film an unboxing video before opening the bag — it is required for any DOA claim. We strongly recommend confirming your tank is mature, cool, algae-established and running strong flow before ordering.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Best4Pets","offers":[{"title":"Default Title","offer_id":44585284894809,"sku":null,"price":1100.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0075\/9814\/5587\/files\/longifilis-threadfin-goby.jpg?v=1787828320","url":"https:\/\/www.best4pets.in\/products\/threadfin-goby-3inch","provider":"Best4Pets","version":"1.0","type":"link"}