{"product_id":"santa-isabel-altum-angelfish-pterophyllum-scalare","title":"Santa Isabel “Altum” Angelfish (Pterophyllum scalare)","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-69a65613-7758-8331-8419-dc6d5e952fe9-2\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69a65613-7758-8331-8419-dc6d5e952fe9-2\" data-turn-id-container=\"request-69a65613-7758-8331-8419-dc6d5e952fe9-2\" data-testid=\"conversation-turn-333\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"265bd635-57b9-4477-a994-9ddad755b6cc\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch1 data-section-id=\"1ydu0ju\" data-start=\"102\" data-end=\"134\"\u003eSanta Isabel “Altum” Angelfish\u003c\/h1\u003e\n\u003cp data-start=\"136\" data-end=\"476\"\u003eThe \u003cstrong data-start=\"140\" data-end=\"199\"\u003eSanta Isabel “Altum” Angelfish (\u003cem data-start=\"174\" data-end=\"196\"\u003ePterophyllum scalare\u003c\/em\u003e)\u003c\/strong\u003e is one of the most impressive and sought-after wild angelfish varieties in the aquarium hobby. Originating from the \u003cstrong data-start=\"316\" data-end=\"375\"\u003eRio Negro region near Santa Isabel do Rio Negro, Brazil\u003c\/strong\u003e, this fish is famous for its \u003cstrong data-start=\"405\" data-end=\"475\"\u003eextremely tall body, elongated fins, and striking vertical barring\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"478\" data-end=\"786\"\u003eAlthough often referred to as an \"Altum,\" the Santa Isabel is technically a naturally occurring form of \u003cem data-start=\"582\" data-end=\"604\"\u003ePterophyllum scalare\u003c\/em\u003e. It displays many characteristics similar to true Altum Angelfish, including a taller profile, longer finnage, and a majestic appearance that makes it a centerpiece in any aquarium.\u003c\/p\u003e\n\u003cp data-start=\"788\" data-end=\"1033\"\u003eMature specimens develop elegant trailing fins, subtle red and bronze highlights, and impressive height that can rival many true Altums. Their graceful swimming behavior and wild appearance make them highly desirable among angelfish enthusiasts.\u003c\/p\u003e\n\u003chr data-start=\"1035\" data-end=\"1038\"\u003e\n\u003ch2 data-section-id=\"13tahro\" data-start=\"1040\" data-end=\"1084\"\u003eWhy Aquarists Love Santa Isabel Angelfish\u003c\/h2\u003e\n\u003cp data-start=\"1086\" data-end=\"1306\"\u003e• Stunning wild-type appearance\u003cbr data-start=\"1117\" data-end=\"1120\"\u003e• Extremely tall body and elongated fins\u003cbr data-start=\"1160\" data-end=\"1163\"\u003e• Beautiful vertical black barring\u003cbr data-start=\"1197\" data-end=\"1200\"\u003e• Impressive centerpiece fish for display aquariums\u003cbr data-start=\"1251\" data-end=\"1254\"\u003e• One of the most desirable wild angelfish varieties\u003c\/p\u003e\n\u003chr data-start=\"1308\" data-end=\"1311\"\u003e\n\u003ch2 data-section-id=\"9a1ejl\" data-start=\"1313\" data-end=\"1340\"\u003eBehavior \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"1342\" data-end=\"1421\"\u003eSanta Isabel Angelfish are peaceful but can become territorial during breeding.\u003c\/p\u003e\n\u003cp data-start=\"1423\" data-end=\"1451\"\u003eSuitable tank mates include:\u003c\/p\u003e\n\u003cp data-start=\"1453\" data-end=\"1540\"\u003e• Discus\u003cbr data-start=\"1461\" data-end=\"1464\"\u003e• Larger Tetras\u003cbr data-start=\"1479\" data-end=\"1482\"\u003e• Corydoras Catfish\u003cbr data-start=\"1501\" data-end=\"1504\"\u003e• Peaceful Plecos\u003cbr data-start=\"1521\" data-end=\"1524\"\u003e• Dwarf Cichlids\u003c\/p\u003e\n\u003cp data-start=\"1542\" data-end=\"1610\"\u003eAvoid very small fish that may be viewed as food by adult specimens.\u003c\/p\u003e\n\u003chr data-start=\"1612\" data-end=\"1615\"\u003e\n\u003ch2 data-section-id=\"mh4w80\" data-start=\"1617\" data-end=\"1640\"\u003eIdeal Aquarium Setup\u003c\/h2\u003e\n\u003cp data-start=\"1642\" data-end=\"1726\"\u003eThese fish thrive in tall aquariums that replicate their natural blackwater habitat.\u003c\/p\u003e\n\u003cp data-start=\"1728\" data-end=\"1766\"\u003eRecommended aquarium features include:\u003c\/p\u003e\n\u003cp data-start=\"1768\" data-end=\"1906\"\u003e• Tall aquarium with open swimming space\u003cbr data-start=\"1808\" data-end=\"1811\"\u003e• Driftwood and branches\u003cbr data-start=\"1835\" data-end=\"1838\"\u003e• Dim lighting\u003cbr data-start=\"1852\" data-end=\"1855\"\u003e• Live plants and leaf litter\u003cbr data-start=\"1884\" data-end=\"1887\"\u003e• Gentle water flow\u003c\/p\u003e\n\u003cp data-start=\"1908\" data-end=\"1964\"\u003eStable water quality is essential for long-term success.\u003c\/p\u003e\n\u003chr data-start=\"1966\" data-end=\"1969\"\u003e\n\u003ch2 data-section-id=\"1meyzg0\" data-start=\"1971\" data-end=\"1990\"\u003eDiet and Feeding\u003c\/h2\u003e\n\u003cp data-start=\"1992\" data-end=\"2067\"\u003eSanta Isabel Angelfish are omnivores and readily accept a variety of foods.\u003c\/p\u003e\n\u003cp data-start=\"2069\" data-end=\"2095\"\u003eRecommended foods include:\u003c\/p\u003e\n\u003cp data-start=\"2097\" data-end=\"2209\"\u003e• Premium angelfish pellets\u003cbr data-start=\"2124\" data-end=\"2127\"\u003e• Frozen bloodworms\u003cbr data-start=\"2146\" data-end=\"2149\"\u003e• Brine shrimp\u003cbr data-start=\"2163\" data-end=\"2166\"\u003e• Mysis shrimp\u003cbr data-start=\"2180\" data-end=\"2183\"\u003e• High-quality flake foods\u003c\/p\u003e\n\u003cp data-start=\"2211\" data-end=\"2278\"\u003eA varied diet helps promote healthy growth and finnage development.\u003c\/p\u003e\n\u003chr data-start=\"2280\" data-end=\"2283\"\u003e\n\u003ch2 data-section-id=\"1w6weuy\" data-start=\"2285\" data-end=\"2315\"\u003eRecommended Tank Parameters\u003c\/h2\u003e\n\u003cp data-start=\"2317\" data-end=\"2431\"\u003eTemperature: \u003cstrong data-start=\"2330\" data-end=\"2355\"\u003e78 – 84°F (26 – 29°C)\u003c\/strong\u003e\u003cbr data-start=\"2355\" data-end=\"2358\"\u003epH: \u003cstrong data-start=\"2362\" data-end=\"2375\"\u003e5.5 – 7.0\u003c\/strong\u003e\u003cbr data-start=\"2375\" data-end=\"2378\"\u003eKH: \u003cstrong data-start=\"2382\" data-end=\"2395\"\u003e1 – 6 dKH\u003c\/strong\u003e\u003cbr data-start=\"2395\" data-end=\"2398\"\u003eMinimum Tank Size: \u003cstrong data-start=\"2417\" data-end=\"2431\"\u003e55 gallons\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2433\" data-end=\"2436\"\u003e\n\u003ch2 data-section-id=\"bomwa4\" data-start=\"2438\" data-end=\"2457\"\u003eSize Information\u003c\/h2\u003e\n\u003cp data-start=\"2459\" data-end=\"2522\"\u003e\u003cstrong data-start=\"2459\" data-end=\"2482\"\u003eAverage Adult Size:\u003c\/strong\u003e\u003cbr data-start=\"2482\" data-end=\"2485\"\u003e6 – 7 inches (15 – 18 cm) body length\u003c\/p\u003e\n\u003cp data-start=\"2524\" data-end=\"2592\"\u003e\u003cstrong data-start=\"2524\" data-end=\"2541\"\u003eAdult Height:\u003c\/strong\u003e\u003cbr data-start=\"2541\" data-end=\"2544\"\u003eUp to 10 – 12 inches (25 – 30 cm) including fins\u003c\/p\u003e\n\u003cp data-start=\"2594\" data-end=\"2643\"\u003e\u003cstrong data-start=\"2594\" data-end=\"2616\"\u003eTypical Sale Size:\u003c\/strong\u003e\u003cbr data-start=\"2616\" data-end=\"2619\"\u003e2 – 4 inches (5 – 10 cm) including fins\u003c\/p\u003e\n\u003chr data-start=\"2645\" data-end=\"2648\"\u003e\n\u003ch2 data-section-id=\"11kwdip\" data-start=\"2650\" data-end=\"2659\"\u003eOrigin\u003c\/h2\u003e\n\u003cp data-start=\"2661\" data-end=\"2723\"\u003e\u003cstrong data-start=\"2661\" data-end=\"2677\"\u003eWild Origin:\u003c\/strong\u003e\u003cbr data-start=\"2677\" data-end=\"2680\"\u003eSanta Isabel do Rio Negro, Amazonas, Brazil\u003c\/p\u003e\n\u003cp data-start=\"2725\" data-end=\"2781\"\u003e\u003cstrong data-start=\"2725\" data-end=\"2742\"\u003eRiver System:\u003c\/strong\u003e\u003cbr data-start=\"2742\" data-end=\"2745\"\u003eRio Negro Basin, Amazon River System\u003c\/p\u003e\n\u003chr data-start=\"2783\" data-end=\"2786\"\u003e\n\u003cp data-start=\"2788\" data-end=\"3066\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe \u003cstrong data-start=\"2792\" data-end=\"2826\"\u003eSanta Isabel “Altum” Angelfish\u003c\/strong\u003e is a breathtaking wild angelfish prized for its towering profile, graceful finnage, and natural beauty. It is an exceptional choice for aquarists seeking a truly majestic centerpiece fish for a large planted or Amazon biotope aquarium. 🐟✨\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Betta USA Aquatic","offers":[{"title":"Large 5-6cm","offer_id":47721975185571,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0624\/5443\/1907\/files\/IMG-9397.heic?v=1780181478","url":"https:\/\/bettaaquatic.com\/products\/santa-isabel-altum-angelfish-pterophyllum-scalare","provider":"Betta USA Aquatic","version":"1.0","type":"link"}