We have seen so many dolphins on this trip that after the third day, we just stopped mentioning sightings. Can't see those dolphins? Ya must be blind.. they're everywhere. Yesterday, it was the same w/ manatees. The water was thick w/ manatee, rolling, lazing, frolicking manatee everywhere. We stopped mentioning, except for collision avoidance. You can't go 500 yards without seeing a sign to slow down for the manatee. Don't know what the national figures look like, but in this stretch of FL the manatee are thriving. So I don't quite get this manatee warning sign we kept seeing. SLOW SPEED 30 MPH day 25MPH night. That's a lot of mangled manatee in my opinion. I was having trouble dodging the guys at 5.5MPH. Must be the manatee's famous lightning quick speed and agile reflexes. And of course their reputed night vision is able to jet propel them out of the way in the dark. Of course, it could just be they need a stronger lobbyist.