Volume 27, Issue 80, 2026 (Forthcoming Issue)

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The present study documents for the first time, the presence of Halichoeres zeylonicus (Bennett, 1833) (Family: Labridae) in the Vellar Estuary on the southeast coast of India. The fish was obtained through the process of collecting, fixing, preservation, and identification following conventional taxonomic methodologies. The species' identification involved an intensive analysis of the morphometric and meristic characteristics such as dorsal fin rays (IX,14), anal fin rays (III,11), 25 pored lateral line scales and colouration of the body, which is unique to H. zeylonicus. The specimen has been preserved in the fish collection of the Centre of Advanced Study in Marine Biology at Annamalai University. The present documentation sheds light on the ecological flexibility of H. zeylonicus as a species capable of surviving in both coral reefs and estuaries.

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REPORT

New Distributional Record of Halichoeres zeylonicus (Bennett, 1833) from the Vellar Estuary, Southeast Coast of India

Tamil Selvan, Yuvaraj Prabu, Thiruvarul Baskar, Dhanushkodi Sakthivel, Sugan Gunaseakaran, Ayyaru Gopalakrishnan

The present study documents for the first time, the presence of Halichoeres zeylonicus (Bennett, 1833) (Family: Labridae) in the Vellar Estuary on the southeast coast of India.

Species, 2026, 27(80), e15s3287

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Sonerila kanniyakumariana: A Narrow Endemic Species from the Kalakad– Mundanthurai Tiger Reserve, Tamil Nadu, India

Packiaraj P, Supraja N, Premkumar M

Sonerila kanniyakumariana is a rare and narrowly endemic species confined to Tamil Nadu, India. The species was originally described by R. Gopalan and A.N. Henry in 1989 based on specimens collected from Upper Kodayar and Muthukuzhivayal in Kanniyakumari District

Species, 2026, 27(80), e16s3293

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ARTICLE

A new Freshwater crab Ghatiana karnataka sp. nov (Decapoda: Brachyura: Gecarcinucidae) from Karnataka, India

Santanu Mitra, Ajmeer K

The freshwater crab genus, Ghatiana Pati & Sharma, 2014, is represented by 14 species; all are endemic to the Western Ghats of India. This genus is distinct in the family Gecarcinucidae, by having a high, broad carapace

Species, 2026, 27(80), e17s3295

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REPORT

First record of Stenocarpus sinuatus (Lindley) Endl. in Tamil Nadu

Muthu Karthick Nagarajan

Stenocarpus sinuatus (Lindl.) Endl., a species native to eastern Australia, has been reported for the first time in Tamil Nadu. The species was spotted growing as an ornamental and shade tree in a tea estate in Megamalai of Theni district.

Species, 2026, 27(80), e18s3289

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ARTICLE

Seasonal Dynamics, Diversity, and Environmental Drivers of Zooplankton Assemblages in the Anicut Dam of a Kangsabati River Ecosystem, Paschim Medinipur, India

Sankar Das, Joydev Maity

This study was conducted to analyze the composition, diversity, and assemblages of zooplankton, as well as to investigate the environmental influences on them across three seasons at the Anicut dam in Paschim Medinipur

Species, 2026, 27(80), e19s3297

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REPORT

Taxonomic Notes on Cleome angulata (DC.) Schult. & Schult.f. and Cleome chelidonii L.f. (Cleomaceae), with the First Record of Cleome angulata from Karnataka, India

Tejashwini Patil, Vanaja G Patgar, Shreyas Betageri, Sidanand V Kambhar, Kotresha K

Cleome angulata (Cleomaceae) is recorded for the first time from Dharwad District, Karnataka. This species was earlier reported from the states of Andhra Pradesh, Maharashtra, and Telangana

Species, 2026, 27(80), e20s3298

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Lagenandra dominicii (Araceae), a new species from south Western Ghats, India

Saranya Jaya, Jose Mathew & Pichan Mohammed Salim

A new species of Lagenandra (Family: Araceae, Tribe: Cryptocoryneae), L. dominicii from Silent Valley National Park, a part of the South Western Ghats, is described

Species, 2026, 27(80), e21s3301

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First confirmed national record of Red-necked Grebe (Podiceps grisegena) in Nepal: Documentation of a rare winter vagrant bird

Sugam Guragain, Susmita Chaudhary

The Red-necked Grebe is a winter vagrant water bird to South Asia and is distributed across the Europe, Asia, and North America. It belongs to family Podicipedidae and breeds in marshes and lakes.

Species, 2026, 27(80), e22s3299

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