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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...

A New species Dasya sylviae C.W.Schneid., M.M.Cassidy & G.W.Saunders (Delesseriaceae, Ceramiales) from Bermuda in 2021 | Recent new species description

This short review article provides you information regarding the recent research article published in the European Journal of Taxonomy (Volume: 751, Pages: 24–37).  Article published by Schneider and his team to describe the Dasya sylviae C.W.Schneid., M.M.Cassidy & G.W.Saunders in details.

 Dasya sylviae C.W.Schneid., M.M.Cassidy & G.W.Saunders (source: European Journal of Taxonomy)


            The alga is actually part of the material collected from the coast of Bermuda by the 2016 Nekton XL Catlin cruise of the R / V Baseline Explorer. The research team already published some new species and some other articles without describing the species, which is given in the introduction part. 

In the introduction part, the authors have clearly mentioned the research background of the current article. Then they have discussed the genus Dasya distribution, characters, and some species characters also. They also mentioned the distribution of various Dasya sp. in the Bermuda region.

The article has elaborated materials and method section in which all the details regarding collection, observation, photography, and molecular analysis details are briefly discussed by authors… table 1 is having all the Gene bank data and the sample information of Dasya species used in the study.

 The result part of the article has phylogenetic analysis, Taxonomic treatment, species Diagnosis characters, Etymology of the species name, Type specimen details, Description, and Distribution.

The species is named after Dr. Sylvia A. Earle, pioneering phycologist, scientist and open-water diver.

In the discussion part authors have clearly compared with already reported Dasya species and also, they compared molecular data. This article has a Phylogenetic tree, Morphology of the new species, and comparison of new species with other available species, and also article is provided with colorful photos and photomicrographs of the described new species.

content by

Abirami Muniasamy, Vinaya Sugumar and Anitha Arumugam
Annakkili Amma Research Institute (AARI)

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 To read the original article click here: Dasya sylviae sp. nov.

Schneider C.W., Cassidy M.M. & Saunders G.W. The pseudodichotomous Dasya sylviae sp. nov. (Delesseriaceae, Ceramiales) from 60–90 m mesophotic reefs off Bermuda. European Journal of Taxonomy 751: 24–37.https://doi.org/10.5852/ejt.2021.751.1377



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