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Red sea urchins lining the seafloor can “see”….

Sea urchins may use the entire surfaces of their bodies—from the ends of their “feet” to the tips of their spines—as huge eyes.

Scientists had already known the marine invertebrates react to light without any obvious eye-like structures—raising the question of how the animals see.

Previous genetic analysis of the California purple sea urchin had revealed that the animals possess a large number of genes linked with the development of the retina—the light-sensitive tissue lining the inner eyeball in people and other vertebrates.

This and other research suggested that sea urchin might rely on light-receptor cells randomly scattered across their skin, which collectively function like retinas.

Scientists had theorized the animals’ spines simulate the light-blocking pigmented cells found in most animals’ eyes. Because light-receptor cells in the retina can soak up light from every direction, pigmented cells work to block light from the back and the sides so animals can “see” what’s in front of them.

Now, however, the scientists have found two distinct groups of bristly, light-receptor cells concentrated at the bases and tips of the purple sea urchin’s 1,400-plus tube feet. These long, suction-tipped tubes, located on the undersides of sea urchin bodies, help the organisms move.

The team suspects that sea urchins use their tube feet as retinas and the rest of their bodies to shield against the extra incoming light, said researcher Maria Ina Arnone, a developmental biologist at Anton Dohrn Zoological Station in Naples, Italy.

Prior studies did find the number and placement of spines on a sea urchin could affect how sharp its vision might be, and this new find “might well be part of the picture,” Arnone added.

SeaUrchin-kit

Ocean Care Solutions Sea Urchin first aid kit..don’t get stung without it!!

Australian Bull Ray….Stingray

The Australian bull ray has a disc that is wider than it is long. The snout is blunt with a skirt-shaped inter nasal flap as well as a single fleshy lobe that surrounds the snout and almost reaches the pectoral fins. The medium-sized eyes are located on the sides of the head and the spiracles are large. The pectoral fins which make up the “wings” of this ray originate below the eyes. The margins of the pectoral fins are deeply concave and the tips are highly angular. There is a small dorsal fin that originates over or just behind the pelvic fin rear tips and is anterior to the spine on the tail. The tail is elongate and whip-like and has a venomous stinging spine located just behind the dorsal fin.
Stingray first aid kits available through DFA, on line or at your favorite retail beach/dive shop…don’t get stung without it!!

Dive Flag App Travels, Shop & Product Reviews

Product Review – Jellyfish Sting Relief Solution

About Ocean Care Solutions

Ocean Care Solutions’ (OCS) first aid products were developed by Kevin, a certified scuba diver. Kevin noticed that there was no convenient, proven medically effective, first aid products for stings from the Lionfish, the Man of War, the Sea Urchin, the Stingray, Fire Coral and Jellyfish. For two years Kevin consulted with international marine science and emergency medical communities to develop what they refer to as ‘the definitive Gold Standard’ for sea sting injuries. All OCS’s products have been developed without the reliance of myths, home remedies or guesswork.
Ron at OCS got in contact with Dive Flag App in a hope to have their product reviewed and publicized to Scuba Divers around the world. After initial discussions OCS sent us, here at Dive Flag App, a package containing a few hundred samples to test and distribute to other Dive Flag App members.  Today we had the opportunity to test their most ‘popular’ product the Jellyfish Sting Relief Solution (JSR Solution). This was a timely arrangement as Australia is currently experiencing an outbreak of jellyfish including the Blue Blubber Jellyfish (common name).

Product Description – Jellyfish Sting Relief Solution

OCS’s JSR Solution was developed to neutralize the stinging cells of jellyfish. The solution suspends any remaining pain causing nematocysts (stinging cells) from firing.  The directions of use are as follows:
  1.  Rinse the injury with salt water only,
  2.  Shake the spray and simultaneously press down on the top to pump the solution,
  3.  Apply the safe JSR Solution for 3-5 minutes, and then
  4.  Simply scrape away the pain.  Re-apply if necessary.
The application of the JSR solution is to ‘de-activate’ the jellyfish stinging cells. For the best results it is recommended that you apply the JSR Solution as soon as possible after having been stung. Delay in the use of this product limits effectiveness.
The JSR Solution comes in a small and convenient spray bottle made with medically recommended 5% acetic acid for the best results.

Product Trial

Dive Flag App were naturally skeptical about the effectiveness of OCS’s JSR Solution and so we decided to test the product out. Before reading further it is important to note that Dive Flag App did so under the supervision of trained emergency personnel and in no way is Dive Flag App suggesting that other members perform the following test.
Frank Vorster located two Blue Blubber Jellyfish in the Gold Coast Seaway, Queensland, Australia. He proceeded to sting himself in two ‘similar’ locations by lightly pressing up against the tentacles of the two jellyfish as they floated by. To one location he applied the JSR Solution and to the other he applied nothing. Eager to test the product out – others part-took in the experiment too.

Observations

  1. Within one minute, the stinging sensation on the hand with the JSR Solution started to subside whilst the second location’s continued to intensify as more stinging cells activated.
  2. After five minutes the stinging sensation on the location with the JSR Solution had all but faded completely, whilst the stinging sensation of the second location continued.
  3. Frank wiped the location with the JSR Solution as directed. The location where he had applied the JSR Solution appeared unaffected. Whilst having  wiped off the second location in a similar fashion had only activated the remaining stinging cells, effectively reactivating the sting.
  4. For a further 25 minutes Frank felt the stinging sensation on the second location whilst the location where the JSR Solution was applied felt “like it was never stung”.

Product Review

The JSR Solution performed as OCS had claimed. The product was easy to apply and immediately effective. The quality is guaranteed by OCS’s Californian manufacturing facility. A single 1oz bottle can be used to relieve 4 stings and the 4oz bottle can relieve up to 12 stings. With a shelf life of over 2 years the product can be stored without concern.
  • Price: 5/5
  • Effectiveness: 5/5
  • Quality: 5/5
  • Product Recommendation: Don’t get stung without it! Don’t go diving without it!
Dive Flag App highly recommend that all beach going, water sport activists and especially scuba divers keep a bottle of the solution in their bag. The product is incredible effective and useful.

Where to Buy the Product

Dive Flag App is so impressed with the effectiveness of the solution, we have worked out an arrangement with Ocean Care Solutions to become the exclusive distributor for these products. Dive Flag App is currently developing an on-line store where you can buy the product. If you would like a sample, to purchase some units for personal use or become a retailer for these products, simply email us for more information: info@diveflagapp.com .

Blessed Diving,

Dive Flag App
www.diveflagapp.com
info@diveflagapp.com
www.facebook.com/diveflagapp

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