{"product_id":"chocolate-silver-arowana-osteoglossum-bicirrhosum","title":"Chocolate Silver Arowana (Osteoglossum bicirrhosum)","description":"\u003ch2\u003eSpecies Overview\u003c\/h2\u003e\n\u003cp\u003eThe chocolate silver arowana (\u003cem\u003eOsteoglossum bicirrhosum\u003c\/em\u003e) is a colour morph of the South American silver arowana. These “dragon fish” have elongated bodies, large scales and whisker‑like barbels. Juveniles are often chocolate‑brown but gradually shift to silver with age.\u003c\/p\u003e\n\u003ch2\u003eHousing and Water Conditions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e Start young fish in a 180‑gallon aquarium, but plan for at least 300 gallons as they approach 90 cm. Provide a tight‑fitting lid; arowanas are notorious jumpers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Maintain temperatures of 78–82 °F and a pH of 6.0–7.5. Gentle surface current and excellent filtration keep oxygen high and water clear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDécor:\u003c\/strong\u003e Use driftwood and low, robust plants along the perimeter, leaving open space for swimming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDiet and Care\u003c\/h2\u003e\n\u003cp\u003eArowanas are carnivorous surface feeders. Offer floating pellets, frozen shrimp, krill and occasional insects. Young fish may require frozen bloodworms before accepting pellets. Feed small amounts several times a day.\u003c\/p\u003e\n\u003cp\u003eBecause of their size and lifespan, these fish require commitment. Monitor water quality closely and perform frequent water changes. Including perimeter \u003ca href=\"https:\/\/monsteraquariumon9.com\/pages\/live-plants-for-fish-tanks\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003elive plants for fish tanks\u003c\/strong\u003e\u003c\/a\u003e can help stabilise water parameters and provide a sense of security. With patience and proper husbandry, chocolate silver arowanas become impressive focal points that glide gracefully just beneath the surface.\u003c\/p\u003e","brand":"monsteraquariumonline","offers":[{"title":"17-20\"","offer_id":42856763949265,"sku":null,"price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/9135\/5601\/files\/IMG-1249.png?v=1764359391","url":"https:\/\/www.monsteraquariumonline.com\/zh\/products\/chocolate-silver-arowana-osteoglossum-bicirrhosum","provider":"monsteraquariumonline","version":"1.0","type":"link"}