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- Title
Fluctuating asymmetry in the otolith length and width of adult Indian mackerel Rastrelliger kanagurta (Cuvier, 1817) collected from Muscat waters at the Sea of Oman.
- Authors
Al-Mamry, Juma Mohamed; Jawad, Laith; Ambuali, Aisha
- Abstract
Fluctuating asymmetry was calculated for the otolith width and length of adult teleost Rastrelliger kanagurta. The results showed that the level of asymmetry of the otolith length was the highest among the two asymmetry values obtained for the otolith of R. kanagurta. The results also showed that the level of asymmetry in the two characters studied at its highest and lowest values in fish ranging in length between 311-320 and mm and 261-270 mm, respectively. The value of asymmetry was zero in the fish length ranging from 221-260 mm for both characters. The possible cause of the asymmetry in this species has been discussed in relation to different pollutants and their presence in the area. A trend of increase in the asymmetry values with the fish length was noticed for the otolith length and width.
- Subjects
MUSCAT (Oman); OMAN; OTOLITHS; RASTRELLIGER kanagurta; SYMMETRY (Biology); FISH growth; TREND analysis
- Publication
Journal of the Black Sea / Mediterranean Environment, 2011, Vol 17, Issue 3, p254
- ISSN
1304-9550
- Publication type
Article