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۱Determination of age and growth of the mudskipper Periophthalmus waltoni Koumans, 1955 (Actinopterygii: Perciformes) on the mudflats of Qeshm Island and Bandar–Abbas, Iran
اطلاعات انتشار: Progress in Biological Sciences، اول،شماره۱، ۲۰۱۱، سال
تعداد صفحات: ۶
In order to determine the age structure, growth, and length–weight relationship of the mudskipper, Periophthalmus waltoni, from coastal mudflats of Qeshm Island, Soroo and Bandar–pol, in Hormuzgan Province, Iran, we collected 192 individuals in February 2007. Age was determined using the second pectoral radial bone and year class was based on length–frequency distributions. Growth was described by the von Bertalanffy growth model. For Bandar–Pol mudskippers, = 141.51 mm, k = 0.46 year–1, and t0 = 0.79 year. For Qeshm mudskippers, = 166.79 mm, k = 0.42 year–1, and t0 = 0.62 year. Overall, males grew larger than females ( = 208 mm vs. 147 mm), while females grew faster (k = 0.41 vs. 0.19 year–1). The age when the theoretical length was 0 (t0) was 1.46 year for males and 0.88 for females. Maximum age was estimated to be 4+ years.
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