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Unveiling a Hidden Gem: The Discovery of a New Freshwater Red Algal Species (Sheathia meghalayensis Elaya Perumal & Palanisamy, 2026) in Meghalaya, India by Botanical Survey of India

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The Discovery of Sheathia meghalayensis   Elaya Perumal & Palanisamy, 2026 The world of phycology—the study of algae—just got a little more fascinating. While marine red algae dominate our coastal vocabulary, their freshwater counterparts, the Rhodophyta, represent an ancient and highly specialized evolutionary lineage. (Photo credit: Dr. U Elaya Perumal, Botanical Survey of India) In a paper published in Current Science , researchers U. Elaya Perumal and M. Palanisamy from the Botanical Survey of India announced a major taxonomic breakthrough: the discovery of a distinct, critically endangered freshwater red alga named Sheathia meghalayensis  Elaya Perumal & Palanisamy, 2026 . (Photo credit: Dr. U Elaya Perumal, Botanical Survey of India) The Background: Filling a Critical Gap in India’s Biodiversity Northeastern India is recognized as a global biodiversity hotspot, yet its freshwater macroalgae have historically lagged behind marine species in documentation. Prior su...

Prof. Paul Claude Silva American Phycologists | Prominent Algologists around the World | Scientist of the Week

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  Prof. Paul Claude Silva      Prof. Paul Claude Silva, with whom, I had a brief interaction during 2010 when I came across a specimen of Codium collected from one of the islands of Gulf of Kutch. It was so different from the rest of the species, I encountered before, in its gross morphology and anatomy as well, that I thought of describing it as new species. However, before that, I just wanted to confirm, if my conclusion of it being new species is true or not. And who could have been better than Prof. Paul Silva - a leading authority on Codium - to confirm. To my great surprise, Prof. Silva replied instantly to my email and send me some literature on similar species described before offering me help to prepare a manuscript, unfortunately, which never happened and the species still remained undescribed. Paul was born in San Diego, California, USA, on 31 October 1922. After graduation, and a one-year post-doctoral fellowship investigating sewage treatment-pond alg...

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