While on our boat tour of Kachemak Bay in Alaska (the subject of the last four posts to this blog), we saw many jellyfish. Because I know absolutely nothing about jellyfish, I will only present the images I obtained without discussing species or behavior.
In the open bay on the way to Seldovia, I photographed the rather colorful jellyfish shown below.
Canon EOS 7D (191mm, f/7.1, 1/2500 sec, ISO2000)
The specimen in the next image might be the same species viewed from a different angle. I doubt it is the same individual, for it was photographed nine seconds later at a point about 50 ft farther along our course.
Canon EOS 7D (150mm, f/7.1, 1/2500 sec, ISO2000)
When we disembarked for lunch in Seldovia Bay, I spotted the jellyfish below swimming near the dock. I don’t know whether it is a different species from those above or the same species with its bell extended so far that it completely hides the color of its body.
Canon EOS REBEL SL1 (133mm, f/10, 1/200 sec, ISO250)
Closer to home, I have seen jellyfish in the Gulf of Mexico and its bays, but I do not remember seeing specimens with as much color as in the first two images above. The average temperature and other properties of the waters of the Gulf of Mexico and Kachemak Bay are certainly different, so I would imagine that would lead to different populations of jellyfish. Any comments on that conjecture would be appreciated.
Hover your mouse cursor over a marker in the map below to reveal a label indicating which photos were taken at that location.