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Pacific electric ray females are larger than their male counterparts, measuring 164 cm (65 in) in width (their pectoral disc) and a total of 137 cm (54 in) in length. Male Pacific electric rays are 92 cm (36 in) in width and 110 cm (43 in) in length. [15] Both sex's pectoral fin disc width is roughly 1.2 greater than their length. [13]
Narcine entemedor, the giant electric ray or Cortez electric ray, is a species of numbfish, family Narcinidae, native to the eastern Pacific Ocean from the Gulf of California to Panama. [2] It is found in shallow water on sandy bottoms and sometimes adjacent to reefs . [ 3 ]
The largest species is the Atlantic torpedo, Tetronarce nobiliana, which can grow to a weight of 90 kg (200 lb) and deliver a 220-volt electric shock. Electric rays have patches of modified muscle cells called electroplaques that make up an electric organ. These generate an electric gradient, similar to the normal electric potential across most ...
The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, composing the order Torpediniformes / t ɔːr ˈ p ɛ d ɪ n ɪ f ɔːr m iː z /. They are known for being capable of producing an electric discharge , ranging from 8 to 220 volts , depending on species, used to stun prey and for defense. [ 2 ]
Because rays and sharks are closely related, they are often studied together. In 2010 a global IUCN study of vertebrates found that of 1,044 cartilaginous (ray and shark) species examined, 345 or 33% were threatened with extinction. [6] [7] There are four orders of rays: stingrays, skates, electric rays and sawfishes. Like sharks, rays are ...
In an update Friday afternoon, Hawaii County Mayor Mitch Roth said Hone isn’t likely to cause a public safety power shutoff, or PSPS, for risk of wildfire by Hawaiian Electric, the local energy ...
The Johnson family believes ROPE is the real cause of Ray’s death, and the lawsuit alleges that Hawaii travel entities have failed to educate the public on ROPE, resulting in “an important ...
Torpedo is a genus of rays, commonly known as electric rays, torpedo rays, or torpedoes. They are slow-moving bottom-dwellers capable of generating electricity as a defense and feeding mechanism.