Kollokation
The only known species that lives in salt water are the electric rays, with 23 species.
The shock from the ocellated electric ray is not dangerous to humans.
The original torpedo is a kind of fish: an electric ray.
Along with T. aysoni, this species may also be called the blind electric ray.
We were still rising diagonally to the surface, which sparkled under the electric rays.
It and other electric rays are used as model organisms for biomedical research.
However, electric rays have a big advantage over these fish.
The electrogenic properties of electric rays have been known since antiquity.
There are over 60 species of electric rays, grouped into 12 genera and 3 families.
Like other electric rays it is ovoviviparous, with parturition taking place in summer.
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