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Is this sea grass. Brownish color. Grows really slow
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Sargassum! That’s the brown macroalgae that keeps washing up in Florida.Is this sea grass. Brownish color. Grows really slow
Sargassum! That’s the brown macroalgae that keeps washing up in Florida.
The species you have is one of the holdfasted species (possibly Sargassum buxifolium) which sometimes enters the hobby. They are rare due to their flow and lighting requirements and are harmless.
https://www.marineplantbook.com/marinebooksargassumhystrix.htm
This is true. Seagrasses are true plants that utilize chlorophyll to photosynthesize, which makes them green. Species common in the hobby are also not known to grow on rocks (an exception is Phyllospadix).I believe, please don't quote me that sea grass is green in color.