Assessment of Fish Biodiversity in Sonmiani Bay, Balochistan, Pakistan (North Arabian Sea)
Assessment of Fish Biodiversity in Sonmiani Bay, Balochistan, Pakistan (North Arabian Sea)
Nasratullah Baloch1, Naeem Tariq Narejo2, Hamida Narejo3, Muhammad Farooq Hassan4, Ghulam Abbas5, Shahnaz Rashid5, Muhammad Hanif Chandio6, Faheem Saddar7 and Majida Parveen Narejo8
ABSTRACT
The current study aimed to evaluate fish biodiversity from Sonmiani Bay of Balochistan, Pakistan during January to December 2019. Total 36 families, 68 genus and 91 species were recorded from this research work. Out of which, 4 species were reported as dominant species namely Liza subviridis (24.88%; TL 1.8-35.0±0.2 cm), Sardinella longicep (15.83%;2.8-20.4±0.3 cm), Sillago sihama (9.04%; TL 3.5-20.3±0.4 cm) and Acanthopagrus berda (7.99%; TL 1.47-28.5± 0.5 cm). The Simpson’s biodiversity index (1-D=0.223) shows that the Sonmiani water noted as low in terms of fish diversity, growth and propagation. Length-weight relationship of four dominant species was calculated as follows. Liza subviridis: Log a -0.23+2.20, Sardinella longicep: Log a -0.78+2.92. Silago sihama: Log a -0.70+2.20, Acanthopagrus berda: Log a -0.5+2.12. It was noted that from the equation above that Sardinella longicep were found in ideal condition in comparison to the other three dominant species, Liza subviridis, Silago sihama, Acanthopagrus berda. Since the area investigated is nearly free of pollution as compared to Karachi and Sindh coast. Therefore, there is need for the development of fish culture in Sonmiani to fill gape, increase food resources and income generation of the local people.
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