{"title":"APTERONTIDAE","description":"","products":[{"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"},{"product_id":"golden-wonder-killifish","title":"Golden Wonder Killifish","description":"\u003cp data-start=\"231\" data-end=\"483\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Golden Wonder Killifish is a striking freshwater predator known for its shimmering metallic gold body and sleek, torpedo-shaped profile. Active and surface-oriented, this eye-catching species adds brilliant color and personality to larger community 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=\"587\" data-end=\"869\"\u003e\u003cstrong data-start=\"587\" data-end=\"603\"\u003eTemperament:\u003c\/strong\u003e Semi-aggressive (peaceful with similarly sized fish)\u003cbr data-start=\"656\" data-end=\"659\"\u003e\u003cstrong data-start=\"659\" data-end=\"680\"\u003eDifficulty Level:\u003c\/strong\u003e Easy\u003cbr data-start=\"685\" data-end=\"688\"\u003e\u003cstrong data-start=\"688\" data-end=\"703\"\u003eAdult Size:\u003c\/strong\u003e 3–4 inches\u003cbr data-start=\"714\" data-end=\"717\"\u003e\u003cstrong data-start=\"717\" data-end=\"730\"\u003eLifespan:\u003c\/strong\u003e 4–6 years\u003cbr data-start=\"740\" data-end=\"743\"\u003e\u003cstrong data-start=\"743\" data-end=\"757\"\u003eTank Size:\u003c\/strong\u003e 30 gallons minimum\u003cbr data-start=\"776\" data-end=\"779\"\u003e\u003cstrong data-start=\"779\" data-end=\"795\"\u003eTemperature:\u003c\/strong\u003e 72–80°F\u003cbr data-start=\"803\" data-end=\"806\"\u003e\u003cstrong data-start=\"806\" data-end=\"813\"\u003epH:\u003c\/strong\u003e 6.0–7.5\u003cbr data-start=\"821\" data-end=\"824\"\u003e\u003cstrong data-start=\"824\" data-end=\"843\"\u003eWater Hardness:\u003c\/strong\u003e Soft to moderately hard\u003c\/p\u003e\n\u003cp data-start=\"871\" data-end=\"1077\"\u003e✔ Best kept singly or in small groups with space\u003cbr data-start=\"919\" data-end=\"922\"\u003e✔ Keep with similarly sized tank mates\u003cbr data-start=\"960\" data-end=\"963\"\u003e✔ Secure lid required — they are excellent jumpers\u003cbr data-start=\"1013\" data-end=\"1016\"\u003e✔ Provide floating plants\u003cbr data-start=\"1041\" data-end=\"1044\"\u003e✔ Open swimming space preferred\u003c\/p\u003e\n\u003cp data-start=\"1079\" data-end=\"1152\"\u003eThey are top-dwelling fish and spend most of their time near the surface.\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=\"1173\" data-end=\"1241\"\u003eGolden Wonder Killifish are carnivorous and love protein-rich foods:\u003c\/p\u003e\n\u003cul data-start=\"1243\" data-end=\"1360\"\u003e\n\u003cli data-start=\"1243\" data-end=\"1263\"\u003e\n\u003cp data-start=\"1245\" data-end=\"1263\"\u003eFloating pellets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1264\" data-end=\"1295\"\u003e\n\u003cp data-start=\"1266\" data-end=\"1295\"\u003eFrozen or live brine shrimp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1310\"\u003e\n\u003cp data-start=\"1298\" data-end=\"1310\"\u003eBloodworms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1311\" data-end=\"1328\"\u003e\n\u003cp data-start=\"1313\" data-end=\"1328\"\u003eSmall insects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1329\" data-end=\"1360\"\u003e\n\u003cp data-start=\"1331\" data-end=\"1360\"\u003eHigh-protein prepared foods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1362\" data-end=\"1432\"\u003e⚠️ They may eat very small tank mates, so choose companions carefully.\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•\u003cmeta charset=\"utf-8\"\u003e• Also known as the Golden Panchax.\u003cbr data-start=\"1493\" data-end=\"1496\"\u003e• Native to India and Sri Lanka.\u003cbr data-start=\"1528\" data-end=\"1531\"\u003e• Known for their impressive jumping ability.\u003cbr data-start=\"1576\" data-end=\"1579\"\u003e• Their gold coloration becomes more intense with high-quality nutrition.\u003cbr\u003e\u003c\/p\u003e","brand":"Aquaticscapes","offers":[{"title":"Default Title","offer_id":44831189663846,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/5055\/5750\/files\/ChatGPTImageFeb26_2026_05_12_00PM.png?v=1772151212"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/5055\/5750\/collections\/ChatGPT_Image_Feb_26_2026_07_03_58_PM.png?v=1772157875","url":"https:\/\/aquaticscapesco.com\/collections\/apterontidae.oembed","provider":"Aquaticscapes","version":"1.0","type":"link"}