{"product_id":"black-ghost-knifefish","title":"Black Ghost Knifefish","description":"\u003cp data-start=\"231\" data-end=\"483\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Black Ghost Knifefish is a striking, nocturnal freshwater species known for its velvety black body and distinctive white tail bands. With its smooth, ribbon-like swimming motion and mysterious appearance, this unique fish makes a dramatic centerpiece in larger aquariums.\u003cbr\u003e\u003c\/p\u003e\n\u003chr data-start=\"511\" data-end=\"514\"\u003e\n\u003cp data-start=\"68\" data-end=\"183\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"494\" data-end=\"565\"\u003e\u003cstrong data-start=\"494\" data-end=\"508\"\u003eTank Size:\u003c\/strong\u003e\u003cbr data-start=\"508\" data-end=\"511\"\u003eMinimum 75 gallons (125+ gallons preferred for adults)\u003c\/p\u003e\n\u003cp data-start=\"567\" data-end=\"603\"\u003e\u003cstrong data-start=\"567\" data-end=\"582\"\u003eAdult Size:\u003c\/strong\u003e\u003cbr data-start=\"582\" data-end=\"585\"\u003eUp to 18–20 inches\u003c\/p\u003e\n\u003cp data-start=\"605\" data-end=\"641\"\u003e\u003cstrong data-start=\"605\" data-end=\"621\"\u003eTemperature:\u003c\/strong\u003e\u003cbr data-start=\"621\" data-end=\"624\"\u003e73–82°F (23–28°C)\u003c\/p\u003e\n\u003cp data-start=\"643\" data-end=\"666\"\u003e\u003cstrong data-start=\"643\" data-end=\"656\"\u003epH Range:\u003c\/strong\u003e\u003cbr data-start=\"656\" data-end=\"659\"\u003e6.0–7.5\u003c\/p\u003e\n\u003cp data-start=\"668\" data-end=\"742\"\u003e\u003cstrong data-start=\"668\" data-end=\"684\"\u003eTemperament:\u003c\/strong\u003e\u003cbr data-start=\"684\" data-end=\"687\"\u003eGenerally peaceful but territorial with other knifefish\u003c\/p\u003e\n\u003cp data-start=\"744\" data-end=\"799\"\u003e\u003cstrong data-start=\"744\" data-end=\"757\"\u003eBehavior:\u003c\/strong\u003e\u003cbr data-start=\"757\" data-end=\"760\"\u003eNocturnal and shy; prefers dim lighting\u003c\/p\u003e\n\u003cp data-start=\"801\" data-end=\"1020\"\u003e\u003cstrong data-start=\"801\" data-end=\"816\"\u003eTank Setup:\u003c\/strong\u003e\u003cbr data-start=\"816\" data-end=\"819\"\u003e• Plenty of hiding spots (PVC tubes, caves, driftwood)\u003cbr data-start=\"873\" data-end=\"876\"\u003e• Soft substrate\u003cbr data-start=\"892\" data-end=\"895\"\u003e• Moderate filtration with stable water quality\u003cbr data-start=\"942\" data-end=\"945\"\u003e• Tight-fitting lid\u003cbr data-start=\"964\" data-end=\"967\"\u003e• Best kept with medium to large peaceful tankmates\u003c\/p\u003e\n\u003cp data-start=\"1022\" data-end=\"1066\"\u003e\u003cstrong data-start=\"1022\" data-end=\"1035\"\u003eLifespan:\u003c\/strong\u003e\u003cbr data-start=\"1035\" data-end=\"1038\"\u003e10–15 years with proper care\u003c\/p\u003e\n\u003cp data-start=\"543\" data-end=\"786\"\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e Food\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1088\" data-end=\"1126\"\u003eBlack Ghost Knifefish are carnivorous:\u003c\/p\u003e\n\u003cp data-start=\"1128\" data-end=\"1254\"\u003e• Frozen bloodworms (favorite)\u003cbr data-start=\"1158\" data-end=\"1161\"\u003e• Brine shrimp\u003cbr data-start=\"1175\" data-end=\"1178\"\u003e• Blackworms\u003cbr data-start=\"1190\" data-end=\"1193\"\u003e• Small sinking carnivore pellets\u003cbr data-start=\"1226\" data-end=\"1229\"\u003e• Occasional live foods\u003c\/p\u003e\n\u003cp data-start=\"1256\" data-end=\"1302\"\u003eFeed in the evening when they are most active.\u003c\/p\u003e\n\u003cp data-start=\"1105\" data-end=\"1163\"\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eFun Facts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1413\" data-end=\"1686\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e• They use a weak electrical field to navigate and find food in dark water.\u003cbr data-start=\"1403\" data-end=\"1406\"\u003e• Native to South America, especially the Amazon basin.\u003cbr data-start=\"1461\" data-end=\"1464\"\u003e• They swim using a long undulating fin along their belly, allowing them to move forward and backward smoothly.\u003cbr data-start=\"1575\" data-end=\"1578\"\u003e• Despite their name, they are not true “knifefish” in the traditional sense but belong to a unique electric fish group.\u003cbr data-start=\"1698\" data-end=\"1701\"\u003e• They can recognize their owners over time and become surprisingly interactive.\u003cbr\u003e\u003c\/p\u003e","brand":"Aquaticscapes","offers":[{"title":"Default Title","offer_id":44831156207718,"sku":null,"price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/5055\/5750\/files\/ChatGPTImageFeb26_2026_05_07_42PM.png?v=1772150959","url":"https:\/\/aquaticscapesco.com\/products\/black-ghost-knifefish","provider":"Aquaticscapes","version":"1.0","type":"link"}