{"product_id":"long-fin-black-widow-tetra-gymnocorymbus-ternetzi-3cm","title":"Long Fin Black Widow Tetra Gymnocorymbus Ternetzi 3cm","description":"\u003cstrong\u003eLong Fin Black Widow Tetra (\u003cem\u003eGymnocorymbus ternetzi\u003c\/em\u003e)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003cp\u003eThe Long Fin Black Widow Tetra is a flowing-finned variant of the classic Black Skirt Tetra, known for its striking black-and-silver body and elegant, elongated fins. Hardy, active, and social, it brings movement and contrast to community aquariums.\u003c\/p\u003e\n\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003cp\u003eNative to South America, particularly river basins in Paraguay, Brazil, and Argentina. The long-fin morph is selectively captive-bred for the aquarium hobby.\u003c\/p\u003e\n\u003cstrong\u003eFeeding\u003c\/strong\u003e\u003cp\u003eOmnivorous and very adaptable. Enjoys flakes, micro-pellets, frozen foods (brine shrimp, daphnia), and occasional live foods to promote colour and vitality.\u003c\/p\u003e\n\u003cstrong\u003eTank Mates\u003c\/strong\u003e\u003cp\u003eExcellent for peaceful community tanks. Suitable companions include rasboras, peaceful tetras, dwarf cichlids, corydoras, and small gouramis. Avoid fin-nipping species due to their delicate, flowing fins.\u003c\/p\u003e\n\u003cstrong\u003eAggression\u003c\/strong\u003e\u003cp\u003eMostly peaceful with only mild chasing, especially when kept in smaller groups. Best maintained in schools of 6 or more to reduce stress and encourage natural behaviour.\u003c\/p\u003e\n\u003cstrong\u003eExperience Level\u003c\/strong\u003e\u003cp\u003eGreat for beginners—hardy, adaptable, and easy to care for.\u003c\/p\u003e\n\u003cstrong\u003eWater Parameters\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 72°F – 80°F (22°C – 27°C)\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 6.0 – 7.5\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 4 – 15 dGH\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAttractive, hardy, and full of movement, the Long Fin Black Widow Tetra adds elegance and personality to any peaceful community aquarium.\u003c\/p\u003e","brand":"Real Aquatics","offers":[{"title":"Default Title","offer_id":56864528630135,"sku":"FSH-03288","price":7.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0537\/0386\/8610\/files\/Long-Fin-Black-Widow-Tetra-Gymnocorymbus-Ternetzi.png?v=1773333974","url":"https:\/\/realaquatics.co.uk\/products\/long-fin-black-widow-tetra-gymnocorymbus-ternetzi-3cm","provider":"Real Aquatics","version":"1.0","type":"link"}