30, January 2026

Ichthyofaunal Taxonomic Diversity of Tatipudi Reservoir, Vizianagaram District, Andhra Pradesh, India

VOLUME-12; ISSUE-1; JAN-2026

Author(s): K. Rama Rao1, P. John Kiran2, Purra Anuradha3

Authors Affiliations:

1 Department of Zoology, Dr. V. S. Krishna Government Degree and PG College (Autonomous), Visakhapatnam, A.P, India

2 Department of Zoology, Govt. Degree College, Nakkapalli, Anakapalli Dt. A. P, India

3 Department of Zoology, Govt. Degree College (A), Khairatabad, Hyderabad, Telangana State, India

DOIs:10.2015/IJIRMF/202601038     |     Paper ID: IJIRMF202601038


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The study of ichthyifauna was evaluated the taxonomic composition and diversity of fish species in Tatipudi Reservoir, Andhra Pradesh, during the period from Feb 2023 to Jan 2025. Fish samples were collected from two selected landing stations, recording a total of 54 finfish species. These species belonged to 12 orders, 17 families, and 36 genera, including 4 exotic species. A comprehensive checklist was prepared documenting current scientific nomenclature, trophic levels, fishery status, and IUCN Red List status (2025). Based on feeding habits, fish species were classified into herbivorous (2.0–2.5), omnivorous (2.5–3.5), and carnivorous (3.5–4.5) trophic categories. Omnivorous species dominated the assemblage, contributing 46.29%, followed by carnivorous (31.48%) and herbivorous species (22.22%). Population status analysis showed that common species constituted the highest proportion (48.15%), followed by rare (27.77%), abundant (16.66%), and moderately distributed species (7.41%). According to the IUCN Red List (2025), most of the species were categorized as Least Concern (85.18%), while 11.11% were Near Threatened, and 1.8% Not Evaluated or Data Deficient.

Ichthyofaunal diversity, taxonomic composition, Trophic levels, Population status, IUCN Red List status

K. Rama Rao, P. John Kiran, Purra Anuradha. (2026); Ichthyofaunal Taxonomic Diversity of Tatipudi Reservoir, Vizianagaram District, Andhra Pradesh, India, International Journal for Innovative Research in Multidisciplinary Field, ISSN(O): 2455-0620, Vol-12, Issue-1,          Available on –   https://www.ijirmf.com/

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