Some ecobiological parameters of Indo-Pacific Bottlenose (Tursiops aduncus) dolphin in Qeahm-Hengam Islands waters (Persian Gulf)

To investigate some bioecological parameters of dolphins between Qeshm and Hengam Islands waters, the present field study was started on November 2014 and finished on may 2015. During this study morphological features of individuals, within dolphin groups, distribution and reproduction of the Indo-Pacific Bottlenose dolphin (Tursiops aduncus) and their activities at the sea surface were registered using
camera systems. At the same time a field questioner form was design to collect the local fisherman informations regarding to dolphins behaviors in the region. During this study one dolphin species namely Tursiops aduncus (Indo-Pacific Bottlenose Dolphin) was identified. The breeding period of Indo-Pacific Bottlenose dolphin was in spring season and a newborns were observed in April 2015. According to field observations, the mean number of Indo-pacific Bottlenose dolphin groups was 23/13±5/49 with 2 newborns in April 2015.