I think the camera of the PowerRay can't be tilted and an upward or downward angle can only be achieved will moving. But a 360 round panorama should be possible.
Although I bought it for work (installing four gas barges on Lake Kivu) there is not much to see else in the water. And due to the high CH4 and CO2 levels, no much marine life. And.... the lake is 1500ft deep