Light & Motion Sola Photo 1200 – The Ultimate Focus Light For Night Divers

Posted on October 22, 2019 by Admin11

The Light & Motion Sola Photo 1200 is the most popular modeling light used for underwater macro photography. I have been using Sola lights for over seven years now. All Light & Motion lights are easy to use, lightweight, and reliable. My favorite feature of the Sola Photo 1200 is the red light option. This feature enables the user to photograph marine life without disturbing them. Some marine animals do not see red light.

Sola 1200 focus light

Best features of the L&M Sola Photo 1200

Factory sealed body ensures flood-free performance
Compatible with a ball mount, ys mount and loc-line
SOS mode – Emergency function
Adjustable light output -1200 lumens (white light max)
Red light feature

Nauticam housing – Nikon D500

Nudibranch and Sola 1200

The red light feature works outstanding underwater. Get creative with blending red and white light during your dives.

Sea cucumber Art

The red light feature works great for photographing nudibranch’s, sea turtles, and cephalopods during night-dives. These animals are less affected by the red light.

Nauticam and Sola 1200

Check out the eye of the cuttlefish. The pupil is wide open (dilated)

Photographed using the Sola 1200 (red)

With white light, the pupil is constricted. The cuttlefish looks irritated by the bright light.

Photographed using the Sola 1200 (white)

Below are a few photographs of my dive buddies using the red feature.

Motion sickness (In camera triple exposure)

Multiple exposure Ie Island

Scuba-diving with a spin

If you would like to test the Sola Photo 1200, please let me know. Friends and supporters – Save 20% off your first Light & Motion purchase https://prz.io/648x6bGC1

Learn more about this product and accessories offered at the Light & Motion Website.

Shawn Miller Underwater by Russell Gilbert

I want to thank Tokina, Light & Motion, Nightsea, and Black Fin Grouper for all their continuous support over the years.

#MakeTheSwitch4Nature

The Paintpot Cuttlefish – Cephalopods in Okinawa

Posted on October 13, 2019 by Admin11

The Paintpot cuttlefish (Metasepia tulbergi) is one of the most beautiful marine animals in Okinawa. The skin of the paintpot cuttlefish is toxic (poisonous) if consumed. The paintpot cuttlefish contains a neurotoxin called tetrodotoxin (venom) used to paralyze its prey. Avoid handling or harassing this beautiful animal. If bitten, seek immediate medical treatment.

Scientific name: Metasepia tulbergi
Common name: Paintpot cuttlefish or flamboyant
Distribution: Ryukyu Islands
Habitat: Sandy bottom and coral reefs
Diet: Crabs, shrimp, and fish
Average size: 50-80mm
Color: Golden-yellow with red coloration

Cool facts about the Paintpot Cuttlefish

They have eight arms and two tentacles
They are capable of producing a dark cloud of ink to escape from predators
They have a parrot-like beak used for eating prey
They use jet propulsion to move quickly through the water
They can change their texture, pattern, color, and shape
They use their arms to walk on the sand
They are considered venomous and poisonous

When threatened, the paintpot cuttlefish produces vibrant colors to warn predators that they are toxic. The scientific term for this is aposematism.

They have a two-part parrot-like beak used for feeding.

Cephalopods can produce a cloud of ink to confuse and escape from predators when threatened.

Below is a sequence of images, displaying their ability to change texture, shape, and color. They are masters of camouflage. An example of how well they blend into their environment.

If detected or threatened, they will display colorful warning signs.

Every year, I look forward to finding the gigantic paintpot cuttlefish named Paintpot-Zilla.

My Mission: To Protect and Preserve the Wildlife of the Ryukyu Islands for Future Generations

If you would like to help me make a difference Please check out my Patreon Site https://www.patreon.com/MakeTheSwitch4Nature

Your donations will help conservation initiatives as well as bring solutions to the worldwide pollution issues on our beautiful shorelines. Thank you for your support, Shawn M Miller.

#MakeTheSwitch4Nature

Masters of Evasion – The Bobtail Squid of Okinawa

Posted on June 10, 2019 by Admin11

The spotty bobtail squid ( Eumandya parva ) is a small cephalopod found in the beautiful waters surrounding Okinawa. They are hard to find due to their small size. Persistence, patience, and diving with a buddy with good eyes will increase your chances of finding them.

Scientific name: Eumandya parva
Common Name: Bobtail Squid
Found: Ryukyu Islands
Habitat: Open water @ night
Average Size: 15mm – 25mm

Bobtail squid have eight arms and two tentacles used to capture prey. They have a two part parrot-like beak used for feeding. They primarily feed on small crustaceans free swimming in open water.

What’s really impressive about cephalopods is that they are masters of evasion. They are equipped with advanced mirroring cells. These cells can change shape and color to match their surrounding. These vibrant chromotophores are also used for communication and attracting a mate.

The bobtail squid has the ability to produce a large ink cloud (smoke screen) when in danger. This cloud of ink will confuse predators and give the squid a chance to escape safely.

Squid have wing-like fins used for precision movement through the open water. Their siphon is used for jet propulsion, allowing a clean getaway from predators.
They can also evade predators by covering up with sand to avoid detection.

I found this large Euprymna brenneri covering itself with sand to avoid detection. I have only seen two of these in the waters of Okinawa. A new species decribed in December 2019.

Mating season occurs in the summer months.

Look close and you can see the white bundle of spermatophores produced during the mating process. The eggs will be fertilized and attached to a safe location under a reef ledge. Tiny bobtail squid will hatch from their eggs in three weeks.

If you would like to learn more about the Cephalopods of Okinawa, check out my previous posts on the blue-ringed octopus, pygmy squid, pharaoh cuttlefish and the shell eating octopuses of Okinawa.

My Mission: To Document and Preserve the Wildlife of the Ryukyu Islands

This site is also designed to help people identify the beautiful animals of Okinawa, basically to serve as an online nature reference guide. If you would like to make a contribution to support my mission, please click on the donation link paypal.me/maketheswitch4nature

Your donations will help conservation initiatives as well as bring solutions to the worldwide pollution issues on our beautiful shorelines. Thank you for your support, Shawn M Miller.

#MakeTheSwitch4Nature

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The Eyes of the Underwater World by Shawn Miller

Posted on May 2, 2019 by Admin11

Okinawa offers some of the best Scuba-diving in the world. I really enjoy the art of underwater macro photography. Macro subjects can always be found, it just takes some imagination and good framing to create beautiful underwater abstracts. Animal eyes are challenging and exciting areas to focus on. Below are some of my favorite photographs of vision taken on the Island of Okinawa.

Longsnout flathead © Shawn Miller

Crowned puffer © Shawn Miller

Leopard flounder © Shawn Miller

Reef squid © Shawn Miller

Coral scallop © Shawn Miller

Crowned puffer-fish © Shawn Miller

Pufferfish © Shawn Miller

Hawk fish © Shawn Miller

Stareye parrotfish © Shawn Miller

Broadband cuttlefish © Shawn Miller

Crowned puffer © Shawn Miller

Fire fish © Shawn Miller

Hawkfish © Shawn Miller

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Ryukyuan Pygmy squids and hydroid-eating nudibranchs

Posted on April 14, 2019 by Admin11

In the summer of 2018, I documented some exciting animal behavior underwater. While searching for the blue-ringed octopus in a shallow reef cut, I stumbled upon the elusive pygmy squid (Idiosepius sp). I first photographed the Ryukyuan pygmy squid back in 2012 and was excited to see another one. This undescribed pygmy squid is only 10mm-14mm in size. It can be difficult to get an acceptable photograph of it free-swimming through the water.

Its amazing how fast squid can change color to blend into the sounding background. Look at that camouflage.

The pygmy squid has defined white nodules on the posterior end of the mantle used for attaching to seaweed and rocks.

I took a few photographs of the tiny squid and it eventually retreated into fireweed (Aglaophenia cupressina).

The fireweed looks like a harmless piece of seaweed but its actually a dangerous stinging hydroid. The fireweed delivers a painful sting causing redness, irritation and infection.

I returned to the exact location a few days later in search of the pygmy squid. I found the fireweed but it was much smaller, as if it was purposely cut down. These fireweed colonies have been in the same reef cut for over six years. What could have caused this devastation? Was it possible that a Scuba Instructor cut down the fireweed colonies for the safety of their students? I mention this because the hydroids are in a high-traffic swim-through area, and some days literally hundreds of divers swim through this reef cut.

My first thought was someone cut down the fireweed but I was wrong. It was actually a brightly colored nudibranch named Tenellia yamasui (Hamatani, 1993). The fireweed was infested with juvenile nudibranchs feeding on it.

You would think that the nudibranchs would be conservative and keep some food for the future. The sea slugs devoured the entire fireweed.

Ever wonder what this stinging hydroid can do to your skin? To learn more about the dangerous animals and treatments, check out my post on The Hazardous Marine Life of Okinawa.

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Searching for Cephalopods by Shawn Miller

Posted on April 13, 2019 by Admin11

Lately, I have been getting out a lot more on night dives. The conditions have been great for Scuba diving and underwater macro photography. Diving at night is exciting because you never know what you will find. My last dive I stumbled upon a few new brightly colored nudibranchs and an undescribed pygmy cephalopod known as the pharaoh cuttlefish.

Could this pygmy cuttlefish be an undescribed species or just a clever juvenile broadband cuttlefish resembling the sand?

Scientific name: Sepia sp
Common Name: Pygmy or Pharaoh Cuttlefish
Found: Kin bay, Okinawa
Habitat: Sand bottom @ night
Depth: 35feet
Size: 17mm

More than likely this pygmy cuttlefish is Sepiella inermis. The pharaoh cuttlefish is absolutely stunning. I found this large specimen sand-dwelling during a night dive.

If you have never been night diving I highly encourage you to try it. If you want to learn more about Cephalopods of Okinawa, check out my post on the beautiful Blue-ringed octopus.

My Mission: To Document and Preserve the Wildlife of the Ryukyu Islands

Your donations will help conservation initiatives as well as bring solutions to the worldwide pollution issues on our beautiful shorelines. Thank you for your support, Shawn M Miller.

#MakeTheSwitch4Nature

Get Fa-Millerized with the Nature of the Ryukyu Islands – – – – SUBSCRIBE BELOW

Cowrie Shell Eating Octopuses of Okinawa

Posted on March 25, 2019 by Admin11

In 2010, a friend sent me some beautiful cowrie shells from Hawaii. I noticed that a few specimens had tiny pin holes between the teeth on the underside of the cowrie shell. I asked him what caused this and he stated an octopus. So I decided to test this, I collected a small octopus and placed it in aquarium with no other marine life in the tank.

I placed only live cowrie shells in the tank to see if this octopus would eat the mollusks. I was completely surprised to find out that he was 100% correct.

The tiny drill holes are difficult to see without a magnifying glass.

Strangely, two of the cowrie shells had a drill hole on the top and another on the bottom side. The other eight specimens only had one drill hole on the bottom side. Is it possible that the octopus learned a new behavior? Did it it figure out the most efficient way after the two previous attempts?

All octopuses have a two-part beak used to immobilize and feed on their prey. The beak looks fragile but it one of the toughest and most durable substances made by marine animals.

Cephalopod Beak

My curiosity led me to the questions below Why does the octopus have to drill a hole when there is already a large aperture to feed from? Does the octopus use venom to paralyze the mollusk inside the shell after it drills the hole? If so, does the venom narcotize the mollusk which could allow the octopus to suck out the animal from the shell aperture like a shotgunning effect?

Have you ever wondered how the Okinawans catch small octopuses? Below is a colorful handmade lure made from cone shells and beads. I found it years ago at Awase flats.

My Mission: To Protect and Preserve the Wildlife of the Ryukyu Islands for Future Generations

If you would like to help me make a difference Please check out my Patreon Site https://www.patreon.com/MakeTheSwitch4Nature

Your donations will help conservation initiatives as well as bring solutions to the worldwide pollution issues on our beautiful shorelines. Thank you for your support, Shawn M Miller.

#MakeTheSwitch4Nature

Get Fa-Millerized with the Nature of the Ryukyu Islands – – – – SUBSCRIBE BELOW

Okinawa Nature Photography

沖縄自然写真 By Shawn Miller

Category Archives: Cephalopods of Okinawa

Light & Motion Sola Photo 1200 – The Ultimate Focus Light For Night Divers

The Paintpot Cuttlefish – Cephalopods in Okinawa

Masters of Evasion – The Bobtail Squid of Okinawa

The Eyes of the Underwater World by Shawn Miller

Ryukyuan Pygmy squids and hydroid-eating nudibranchs

Searching for Cephalopods by Shawn Miller

Cowrie Shell Eating Octopuses of Okinawa