{"product_id":"cardinal-tetra","title":"Cardinal Tetra","description":"\u003ch2\u003eCardinal Tetra\u003c\/h2\u003e\u003cp\u003eThe Cardinal Tetra is one of the most iconic and breathtaking schooling fish in the freshwater hobby. Its vivid neon blue stripe runs the full length of its body above a brilliant red underside — a combination so striking that a school of Cardinals in a planted aquarium is truly unforgettable. Often considered the jewel of the community tank.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScientific name:\u003c\/strong\u003e \u003cem\u003eParacheirodon axelrodi\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Rio Negro, South America\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdult size:\u003c\/strong\u003e Up to 5 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperament:\u003c\/strong\u003e Peaceful; ideal community fish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e Minimum 60 L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore — micro pellets, flake, live and frozen foods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 24–28°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 4.5–7.0 (prefers soft, acidic water)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest kept:\u003c\/strong\u003e In groups of 10 or more\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCardinal Tetras look their absolute best in a blackwater-style planted tank with dark substrate, driftwood, and dim lighting — their colours positively glow in these conditions. A timeless classic that never fails to impress.\u003c\/p\u003e\u003cp\u003e⚠️ \u003cstrong\u003eBiosecurity Notice:\u003c\/strong\u003e Live animals are subject to state and territory biosecurity regulations. We are unable to ship to WA, TAS or NT. Orders placed to these states will be cancelled and refunded. Please check your state's import restrictions before ordering.\u003c\/p\u003e","brand":"Riddle Me Fish","offers":[{"title":"Default Title","offer_id":47633387290773,"sku":null,"price":5.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4170\/6645\/files\/Screenshot2026-07-27035310.png?v=1785235576","url":"https:\/\/www.riddlemefish.com.au\/products\/cardinal-tetra","provider":"Riddle Me Fish","version":"1.0","type":"link"}