{"product_id":"rainbowfish-lacustris-melanotaenia-lacustris","title":"Rainbowfish - Lacustris (Melanotaenia lacustris)","description":"\u003ch1\u003eRainbowfish - Lacustris (Melanotaenia lacustris)\u003c\/h1\u003e\n\u003cp class=\"text-muted-foreground leading-relaxed\"\u003eThe Lacustris Rainbowfish (Melanotaenia lacustris), also widely known as the Turquoise Rainbowfish or Lake Kutubu Rainbowfish, is a striking freshwater species prized for its vibrant, iridescent blue hues. This species is endemic to Lake Kutubu and its outlet, the Soro River, in the Southern Highlands of Papua New Guinea.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch4 class=\"font-semibold text-foreground mb-3\"\u003eKey Features:\u003c\/h4\u003e\n\u003cul class=\"space-y-2 text-muted-foreground ml-6 list-disc\"\u003e\n\u003cli\u003eThey are peaceful, active schoolers. Because they are energetic swimmers, they should be kept in groups of 6 or more to reduce stress and encourage natural social behavior.\u003c\/li\u003e\n\u003cli\u003eTemperament\u003cspan\u003e \u003c\/span\u003e- larger tetras (Congo, Diamond, or Bleeding Heart), danios, rasboras, and barbs (Tiger or Rosy)\u003c\/li\u003e\n\u003cli\u003eModerate-friendly care level\u003c\/li\u003e\n\u003cli\u003eMaximum size:\u003cspan\u003e \u003c\/span\u003e10-12cm\u003c\/li\u003e\n\u003cli\u003eIdeal water temperature:\u003cspan\u003e \u003c\/span\u003e21.0°C -\u003cspan\u003e \u003c\/span\u003e26.0°C\u003c\/li\u003e\n\u003cli\u003epH range:\u003cspan\u003e \u003c\/span\u003e7.0\u003cspan\u003e \u003c\/span\u003e-\u003cspan\u003e \u003c\/span\u003e8.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp class=\"text-muted-foreground leading-relaxed\"\u003eThey thrive in well-planted tanks with open areas for swimming. Use a dark substrate and pristine water conditions to make their colors \"pop\". A tight-fitting lid is essential as they are known jumpers.\u003c\/p\u003e","brand":"Arcy Aquariums","offers":[{"title":"Default Title","offer_id":45141164622000,"sku":null,"price":19.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/3151\/7872\/files\/ScreenShot2026-06-07at7.04.00pm.png?v=1780823051","url":"https:\/\/arcyaquariums.com\/products\/rainbowfish-lacustris-melanotaenia-lacustris","provider":"Arcy Aquariums","version":"1.0","type":"link"}