{"product_id":"scarlet-serrata-macroalgae","title":"Scarlet Serrata Macroalgae","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003ch2\u003eScarlet Serrata Macroalgae\u003c\/h2\u003e\n\u003cp\u003eScarlet Serrata Macroalgae (\u003cem\u003eNeurymenia sp.\u003c\/em\u003e) is a rare and visually extraordinary Australian red macroalgae that brings something genuinely different to the reef aquascape. Its defining feature is immediately unmistakable — \u003cstrong\u003ebroad, flat fronds edged with dramatically serrated, jagged margins\u003c\/strong\u003e in a vivid scarlet red that fans outward in an open, architectural structure from a single rock base. Under reef lighting, the intense red-orange tones glow with a depth and richness that makes it one of the most visually arresting macroalgae you can place in a display tank.\u003c\/p\u003e\n\u003cp\u003eUnlike the dense or bushy growth habits of more common red macroalgae, Scarlet Serrata grows in an open, upright fan — each individual frond clearly defined and separated, creating layered visual depth and texture that photographs beautifully and commands attention in person. The serrated frond edges catch flow and light in a way that adds constant subtle movement to the display without the algae ever becoming unruly.\u003c\/p\u003e\n\u003cp\u003eSourced from Australian waters, this species is rarely seen in the hobby outside of specialist collections — making it a genuine conversation piece and a standout addition to any serious macroalgae or reef display system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #1a5a61;\"\u003eAvailable Options\u003c\/h3\u003e\n\u003cdiv style=\"background: linear-gradient(180deg,#f6fbf8 0%, #edf7f2 100%); border: 1px solid #d4e6e3; border-radius: 12px; padding: 13px 15px; margin-bottom: 10px;\"\u003e\n\u003cp style=\"color: #1a5a61; margin-bottom: 6px;\"\u003e\u003cstrong\u003eStarter Plant\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYounger cutting with established frond structure and full scarlet coloration\u003c\/li\u003e\n\u003cli\u003eIdeal for grow-out or adding to a display with room to develop into a full specimen\u003c\/li\u003e\n\u003cli\u003eA rare opportunity to acquire this Australian species at an accessible entry size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(180deg,#f6fbf8 0%, #edf7f2 100%); border: 1px solid #d4e6e3; border-radius: 12px; padding: 13px 15px;\"\u003e\n\u003cp style=\"color: #1a5a61; margin-bottom: 6px;\"\u003e\u003cstrong\u003eMature Colony\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully developed specimen with a wide, open fan canopy and multiple branching extensions\u003c\/li\u003e\n\u003cli\u003eMaximum frond complexity and rich scarlet coloration on full display\u003c\/li\u003e\n\u003cli\u003eReady to place directly into your system as an immediate centerpiece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #184f69;\"\u003eCare Information\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: separate; border-spacing: 10px 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; background: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e💡 \u003cstrong style=\"color: #435760;\"\u003eLighting\u003c\/strong\u003e\u003cbr\u003eModerate to High\u003c\/td\u003e\n\u003ctd style=\"width: 50%; background: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e🌊 \u003cstrong style=\"color: #435760;\"\u003eWater Flow\u003c\/strong\u003e\u003cbr\u003eModerate, indirect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e📍 \u003cstrong style=\"color: #435760;\"\u003ePlacement\u003c\/strong\u003e\u003cbr\u003eRock-mounted — mid to lower display zones\u003c\/td\u003e\n\u003ctd style=\"background: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e⚙️ \u003cstrong style=\"color: #435760;\"\u003eCare Level\u003c\/strong\u003e\u003cbr\u003eModerate — stable parameters recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e📈 \u003cstrong style=\"color: #435760;\"\u003eGrowth Rate\u003c\/strong\u003e\u003cbr\u003eSlow to Moderate — stays manageable\u003c\/td\u003e\n\u003ctd style=\"background: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e🧪 \u003cstrong style=\"color: #435760;\"\u003eNutrient Export\u003c\/strong\u003e\u003cbr\u003eModerate nitrate and phosphate uptake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #6a6b58;\"\u003eSpecial Considerations\u003c\/h3\u003e\n\u003cdiv style=\"background: #faf8ee; border: 1px solid #e6e1c9; border-left: 4px solid #b7ad78; border-radius: 10px; padding: 13px 15px; color: #22323a;\"\u003e\n\u003cstrong\u003eScarlet Serrata performs best in stable, established systems with consistent water parameters and moderate flow.\u003c\/strong\u003e Avoid strong direct flow which can damage the delicate frond margins over time. Keep away from aggressive herbivores including urchins and large tangs that may graze on the fronds. As with all display macroalgae, handle gently during placement to avoid tearing the fronds at their base.\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #123844;\"\u003e🔍 Aquarium Insights\u003c\/h3\u003e\n\u003cp\u003eScarlet Serrata is a standout addition to any reef or macro display:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne of the rarest Australian macroalgae in the hobby — a specimen-grade addition that few collectors have\u003c\/li\u003e\n\u003cli\u003eThe dramatic serrated frond edges and vivid scarlet color create visual complexity no other macroalgae can replicate\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eA true collector's macroalgae — functional, beautiful, and genuinely hard to source anywhere else\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3 style=\"color: #123844;\"\u003eLearn More\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003eFor detailed species information, compatibility, and care tips, visit our \u003cstrong\u003e\u003ca style=\"color: #1d5c78;\" href=\"https:\/\/www.macroalgaefarms.com\/pages\/species-library\"\u003eSpecies Library\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003cdiv style=\"background: #f6f8f9; border: 1px solid #dde4e7; border-left: 4px solid #8a98a0; border-radius: 10px; padding: 13px 15px; font-size: 13px; color: #607078; line-height: 1.65;\"\u003e\n\u003cstrong style=\"color: #46545b;\"\u003eLivestock Disclaimer\u003c\/strong\u003e\n\u003cp style=\"margin: 8px 0 10px;\"\u003eDue to natural variation, the specimen you receive may vary slightly in frond structure, coloration, and size. Photographs are representative examples.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003eIndividual specimens may display differences depending on lighting, flow, and tank conditions.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eSize and appearance are provided as general guidelines and may vary slightly from the specimen received.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Macroalgae Farms","offers":[{"title":"Full Starter Plant","offer_id":47952077226243,"sku":"S6 [FP] (WB)","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Mature Colony","offer_id":47952077259011,"sku":"S6 [R] (WB)","price":119.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/7151\/7699\/files\/ChatGPTImageApr17_2026_11_18_22AM_6177bf50-fe0b-4338-a86b-f4830a4ec16c.png?v=1776473571","url":"https:\/\/www.macroalgaefarms.com\/products\/scarlet-serrata-macroalgae","provider":"Macroalgae Farms","version":"1.0","type":"link"}