@AquaClaire
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The Anatomy: If you look closely at the underside of a ray’s face, you will see clusters of tiny, dark pores.
How It Works: Each pore opens into a long canal filled with a highly conductive, clear jelly. At the very bottom of the canal sits a pocket of specialized nerve cells.
The Interface: When an animal’s bio-electric field passes over the ray's skin, the electrical current travels down the conductive jelly, triggering the nerve cells.
@AquaClaire
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Every time a living being contracts a muscle, beats their heart, or fires a neuron in their brain, it creates a tiny pulse of electricity. Water—especially saltwater—is an exceptional conductor, meaning these pulses radiate outward into the ocean.
To read these signals, rays have a highly specialized network of sensory organs called the Ampullae of Lorenzini.
It is a Potamotrygon motoro (commonly known as the Ocellated Freshwater Stingray or Peacock Stingray), native to the Amazon river basin. Unlike the ocean-dwelling rays (like the massive smooth rays or fiddleback rays), these freshwater varieties evolved to live in muddy riverbeds, using those brilliant, fiery orange rings as a warning to predators rather than camouflage.