Although the matriarch I15, died in late 2005 or early 2006, the matriline will retain her name because the group maintained its cohesion throughout 2006.
In time, however, the animals in this group may begin to travel apart and if so the groups will be renamed appropriately as separate matrilines.
Click on the familytree to see the ID photo of the whale
Video of the I15s in Johnstone Strait. The sound are recordings of the I15s