Sex Change


In response to The Daily Post’s weekly photo challenge: “Change.”

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The blue ribbon eel is one of the most fascinating creatures of change.  All of the ribbon eels are born male.  Toward the last year of their life, they may begin to turn yellow, and also turn into a female.  All yellow ribbon eels are female, and all blue ribbon eels are male.  A female ribbon eel will procreate after she has changed, and then die, so it is very rare to see a yellow ribbon eel.

Blue Ribbon Eel

As always, if you enjoy my images please visit my website, waterdogphotography.com, or give me a like on facebook at Waterdog Photography Brook Peterson.  Don’t forget to follow me here at waterdogphotographyblog and please feel free to share on Facebook or other social media.

My photographs are taken with a Nikon  D810 in Sea and Sea Housing using two YS-D1 Strobes.
All images are copyrighted by Brook Peterson and may only be used with written permission.  Please do not copy or print them.  To discuss terms for using these images, please contact me
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Pinnipeds: The Puppies of the Sea


Fall is the right time of year to enjoy the company of playful young sea lions.  By August or September, these young pinnipeds have grown past infancy and are entering the playful “puppy” stage of their lives.  I have enjoyed several dives lately where the curious little guys came to pay me a visit.

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At first he is shy, keeping his distance and just watching the divers.  A group of sea lions see us from the surface and watch us jump into the water, then they stick their heads under the surface to see what we are doing under there.

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Pretty soon, curiosity gets the better of this little guy and he comes in for a closer look.

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After a while, the sea lion starts to think of you as one of it’s playmates.  It starts swimming in front of you and holds various poses, all the while keeping eye contact with you.

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Sometimes they start blowing bubbles as they swim past.  It seems they are mimicking the scuba divers.

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This sea lion began to get a little rambunctious in his play, displaying his teeth, much like young dogs when they wrestle with their siblings.

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  If this sea lion had been a large male, I would have felt threatened, but since he was just a few months old, it was hard to take him seriously.

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Eventually, it is time for us to surface and say goodbye.  The sea lions watch us until we are completely out of the water, as if they yearn for us to stay.  To tell the truth, I wish I could!

As always, if you enjoy my images please visit my website, waterdogphotography.com, or give me a like on facebook at Waterdog Photography Brook Peterson.  Don’t forget to follow me here at waterdogphotographyblog and please feel free to share on Facebook or other social media.

My photographs are taken with a Nikon  D810 in Sea and Sea Housing using two YS-D1 Strobes.
All images are copyrighted by Brook Peterson and may only be used with written permission.  Please do not copy or print them.  To discuss terms for using these images, please contact me

an Eco-Palooza!


Once a year, for a few weeks, there is a special underwater convention held under the oil rigs in Southern California.  All marine animals are invited and the event is consistently sold out.  I’m being facetious of course, but truthfully, there is an eco-palooza going on under the oil rigs along Southern California’s coast.  The “El-Nino” conditions have kept the west coast waters toasty warm and scuba divers get to see first hand the effect it has on marine life.

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The first thing a diver will notice when diving under one of the off-coast oil rigs, is the HUGE number of bait fish taking advantage of the cover and protection of the rigs.  Since the rigs are in open water (about 8 miles from shore), their support structures provide an artificial reef for marine life.

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Bonito patrol around the outside of the structure occasionally picking off one of the bait fish. This effectively encourages the bait fish to remain inside the confines of the oil rigs support columns.

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Suddenly the fish begin to move in a synchronized pattern as a sea lion comes down for his breakfast.

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Once the dinner-bell sounds, the cormorants come around looking for their next meal.

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Sometimes it is just fun to sit down and watch the show.

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Apparently, the sea lions like an interactive show.  This little pup came around for about 15 minutes and tried to feed us fish it caught, posed for the camera, and did acrobatics with the divers.

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It even played picaboo!

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Since the structure provides an artificial reef, there are Garibaldi, sea stars, anemones in vivid pinks, oranges and yellows, and many scallops, and invertebrates on the support columns.

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Unfortunately for us scuba divers, our time is limited under water and all too soon it is time to go back to the surface.

As always, if you enjoy my images please visit my website, waterdogphotography.com, or give me a like on facebook at Waterdog Photography Brook Peterson.  Don’t forget to follow me here at waterdogphotographyblog and please feel free to share on Facebook or other social media.

My photographs are taken with a Nikon  D810 in Sea and Sea Housing using two YS-D1 Strobes.
All images are copyrighted by Brook Peterson and may only be used with written permission.  Please do not copy or print them.  To discuss terms for using these images, please contact me