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Abstract

Biodiversity has a crucial role in maintaining a stable ecosystem. It is associated with biotic and abiotic factors that vary in a geographic region. The fish were collected using different fishing equipment, including simple fishing rods, simple hooks, scoop nets, and drag nets. The species identification was made by studying meristic and morphometric characters. During this study, 12 fish species were collected and identified. These were Cyprinion watsoni, Tor macrolepis, Naziritor zhobensis, Barilius pakistanicus, B. bendelisis, Crossocheilus diplocheilus, Garra gotyla, Botia birdi, Glyptothorax sufii, G. punjabensis, G. stocki and G. naziri. The reported species belong to two orders; Cypriniformes and Siluriformes and three families; Cyprinidae, Sisoridae, and Cobitidae. Cyprinidae was the richest family represented by seven species whereas Sisoridae was embodied by four species and Cobitidae by a single species. B. birdi had not been previously reported from other water bodies in North Waziristan. T. macrolepis was also highly abundant and served as a primary food source in this region. It is recommended to impose a complete ban on illegal fishing and implement proper stocking in these streams, as this could play a key role in improving nutrition and boosting the local economy.

Keywords

Ichthyofauna River Kurram Tor macrolepis Aquaculture Cyprinidae

Article Details

How to Cite
AHMAD, M., & HASAN, Z. (2025). Exploring the fish biodiversity, its morphometric measurements, and biological diversity indices at Shizaka streams, Tehsil Shewa, North Waziristan, Pakistan. Iranian Journal of Ichthyology, 12(2), 123–132. https://doi.org/10.22034/iji.v12i2.1045

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