{"product_id":"obsidian-tang-acanthurus-gahhm","title":"Obsidian Tang Acanthurus Gahhm","description":"\u003cstrong\u003eObsidian Tang – \u003cem\u003eAcanthurus gahhm\u003c\/em\u003e\u003c\/strong\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003cbr\u003eThe Obsidian Tang is a striking marine herbivore, known for its deep black to dark gray body with subtle blue highlights and a contrasting vibrant yellow tail. Its bold coloration and active swimming make it a standout in large reef aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cbr\u003eNative to the \u003cstrong\u003eIndo-Pacific\u003c\/strong\u003e, primarily found along coral reefs and lagoons in \u003cstrong\u003eRed Sea, East Africa, and the western Indian Ocean\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeeding:\u003c\/strong\u003e\u003cbr\u003ePrimarily herbivorous – thrives on \u003cstrong\u003emarine algae, seaweed, and spirulina-based foods\u003c\/strong\u003e, supplemented occasionally with meaty foods like mysis shrimp for balanced nutrition. Regular feeding helps maintain coloration and digestive health.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTank Mates:\u003c\/strong\u003e\u003cbr\u003eBest kept with \u003cstrong\u003epeaceful to semi-aggressive tank mates\u003c\/strong\u003e. Avoid housing with overly aggressive tangs to minimize territorial disputes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAggression:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eModerately territorial\u003c\/strong\u003e – may defend feeding areas, especially in smaller aquariums, but generally compatible with other robust fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExperience Level:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eIntermediate to advanced aquarists\u003c\/strong\u003e – requires a mature aquarium with ample swimming space, stable water conditions, and a proper herbivore diet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater Parameters:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTemperature: \u003cstrong\u003e74–80°F (23–27°C)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003epH: \u003cstrong\u003e8.1–8.4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSalinity: \u003cstrong\u003e1.020–1.025\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMinimum Tank Size: \u003cstrong\u003e125+ gallons\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eObsidian Tang\u003c\/strong\u003e is a visually striking, active herbivore, perfect for reef or large community marine tanks where a bold, dynamic fish is desired.\u003c\/p\u003e","brand":"Real Aquatics","offers":[{"title":"Default Title","offer_id":56864458113399,"sku":"FSH-02169","price":99.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0537\/0386\/8610\/files\/Obsidian-Tang-Acanthurus-Gahhm.png?v=1773332400","url":"https:\/\/realaquatics.co.uk\/products\/obsidian-tang-acanthurus-gahhm","provider":"Real Aquatics","version":"1.0","type":"link"}