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Manta rays may have evolved from bottom-feeders, and then adapted to become filter feeders in the open ocean. This allowed them to grow larger than other ray species. Due to being plankton feeders, some of the ancestral characteristics have degenerated.

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15y ago
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14y ago

they clean themsleves by jumping out of the water or by letting other fish clean them

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13y ago

Because of their teeth that how they bite an animal and suck its blood with its teeth.

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10y ago

manatee

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