Gymnodoris sp.61

Images courtesy of Gordon Tillen
Location: Dauin, Negros Oriental, Philippines
Dive Site: Atlantis North, Depth 40 ft. length 3"

Photo by Gordon Tillen
Gymnodoris sp.61 (in NSSI 2nd ed.)

Members of the genus Gymnodoris have several types of gill branches. In this species these form an arc across the dorsum. Color varies from reddish-orange to pinkish with longitudinal lines. These lines are atop elevated linear ridges on the body seen in Gordon's photo to the left.

Found primarily in the Philippines, specimens have measured up to 20mm in length. I love the hitchhiker in the top photo. One of my favorite commensal shrimps, Zenopontonia rex.

Dave Behrens
New Braunfels, TX
Jul., 2024
Send Dave email at davidwbehrens@gmail.com


Dave and Peg in Texas motif prior to move from
Washington to Texas


Gordon on location

My diving career started in the cold lakes of northern Wisconsin during summer camp in 1964. I have now logged over 3000 dives. My passion for this hobby/sport kicked into high gear around 2006 when I got my first underwater camera and went to Taveuni, Fiji. It was a Canon SD 550 point and shoot. Certainly limited for wide angle, but it took amazing pictures of Nudibranchs! It ignited an obsession for underwater photography and nudi hunting that has taken me to all the corners of the Coral Triangle.

I retired and moved to the Philippines in 2008 to avoid those long international flights and have been blessed to be here for the last 14 years. I chose the island of Negros Oriental for many reasons, but mostly for the easy access to great macro/critter photography. Also being the frogfish capital was the bonus round. And the 600 plus species of nudibranchs that call it home. Being in the center of the best diving on planet earth is a dream come true.

So, as they say " I'm living the life".

Send Gordon email at gtillen@mac.com


From left to right, Terry Gosliner, Angel Valdes, Dave Behrens La Jolla, Calif.

Send Dave email at davidwbehrens@gmail.com
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