{"id":15264,"date":"2026-01-18T03:00:03","date_gmt":"2026-01-18T03:00:03","guid":{"rendered":"https:\/\/www.marinefarm.co.uk\/videos\/2026\/01\/18\/species-spotlight-costae-tetra\/"},"modified":"2026-01-18T03:00:03","modified_gmt":"2026-01-18T03:00:03","slug":"species-spotlight-costae-tetra","status":"publish","type":"post","link":"https:\/\/www.marinefarm.co.uk\/videos\/2026\/01\/18\/species-spotlight-costae-tetra\/","title":{"rendered":"SPECIES SPOTLIGHT | Costae tetra"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/i3.ytimg.com\/vi\/jWWe0dV3kdM\/hqdefault.jpg\" alt=\"SPECIES SPOTLIGHT | Costae tetra\"><br \/> <iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/jWWe0dV3kdM\" frameborder=\"0\" allowfullscreen><\/iframe> <\/p>\n<p>Aquatics expert Tom Sarac provides an in-depth overview of the Costae tetra! Native to slower-moving areas of the S\u00e3o Francisco and Itapicuru river basins in eastern Brazil, these fish are active, peaceful and very attractive. A social species, they&#8217;re best kept in groups of at least 10, although larger numbers will showcase their shoaling behaviors more prominently. Watch the video to learn more about Costae tetras and to see if they&#8217;re right for your aquarium!<\/p>\n<p>Check out our other content!<br \/>\nInstagram: https:\/\/www.instagram.com\/fluvalaquatics\/<br \/>\nTikTok: https:\/\/www.tiktok.com\/@fluval_aquatics<br \/>\nFacebook: https:\/\/www.facebook.com\/fluval\/<br \/>\nWebsite: https:\/\/fluvalaquatics.com\/<br \/>\nNewsletter: https:\/\/fluvalaquatics.com\/us\/register\/<\/p>\n<p>#Fluval #SpeciesSpotlight #tetra #tetrafish #fish #aquarium #fishtank #aquariumfish #aquariumhobby<\/p>\n<p>0:00 &#8211; Introduction to the Costae tetra<br \/>\n0:36 &#8211; Behavior, appearance, tank size and setup<br \/>\n2:39 &#8211; Water conditions<br \/>\n3:10 &#8211; Feeding<br \/>\n4:05 &#8211; Conclusion<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquatics expert Tom Sarac provides an in-depth overview of the Costae tetra! Native to slower-moving areas of the S\u00e3o Francisco and Itapicuru river basins in eastern Brazil, these fish are active, peaceful and very attractive. A social species, they&#8217;re best kept in groups of at least 10, although larger numbers will showcase their shoaling behaviors [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":15265,"comment_status":"registered_only","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[3],"tags":[1302,21237,18348],"actors":[],"class_list":["post-15264","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fluval","tag-aquatics","tag-expert","tag-sarac"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SPECIES SPOTLIGHT | Costae tetra | Marine Farm Videos<\/title>\n<meta name=\"description\" content=\"Watch SPECIES SPOTLIGHT | Costae tetra for free, here on Marine Farm. 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Discover more great videos on our website and be part of the community.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marinefarm.co.uk\/videos\/2026\/01\/18\/species-spotlight-costae-tetra\/\" \/>\n<meta property=\"og:site_name\" content=\"Marine Farm Videos\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-18T03:00:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i3.ytimg.com\/vi\/jWWe0dV3kdM\/hqdefault.jpg\" \/>\n<meta name=\"author\" content=\"James Billingham\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"James Billingham\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/\"},\"author\":{\"name\":\"James Billingham\",\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/#\\\/schema\\\/person\\\/cbdc6e1ce314506de4a5ceb49c2d9985\"},\"headline\":\"SPECIES SPOTLIGHT | Costae tetra\",\"datePublished\":\"2026-01-18T03:00:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/\"},\"wordCount\":144,\"publisher\":{\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/hqdefault-18.jpg\",\"keywords\":[\"aquatics\",\"expert\",\"sarac\"],\"articleSection\":[\"Fluval\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/\",\"url\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/\",\"name\":\"SPECIES SPOTLIGHT | Costae tetra | Marine Farm Videos\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/2026\\\/01\\\/18\\\/species-spotlight-costae-tetra\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.marinefarm.co.uk\\\/videos\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/hqdefault-18.jpg\",\"datePublished\":\"2026-01-18T03:00:03+00:00\",\"description\":\"Watch SPECIES SPOTLIGHT | Costae tetra for free, here on Marine Farm. 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