Captures of the slender sunfish, Ranzania laevis, are reported off the coastline of the cities of Sohar and Seeb, Oman Sea, Sultanate of Oman in February and March 2009. Their association with the environmental factors such as warming process is discussed.
Asymmetry analysis was conducted on four morphometric bilateral characters and one meristic character of Leiognathus equulus (Forsskal) collected from the Sea of Oman at the city of Muscat. The results showed that the level of asymmetry of the characters of preorbital distance and head length is higher than that of the rest of the characters studied. Increasing asymmetry values with fish length were noted in preorbital and postorbital distances and head length. This might be the result of incomplete development. The possible cause of asymmetry in this species is discussed in relation to different pollutants and their presence in the area.
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