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What are those jelly-like masses that are attached to tree limbs, bushes and other objects in the water?

April 26, 2017attached bushes jelly-like limbs Masses objects tree water

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What are those jelly-like masses that are attached to tree limbs, bushes and other objects in the water?

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They are colonies of harmless microscopic animals called Bryozoans. They have miniature tentacles to capture prey and are permanently attached to the colony mass. Large colonies can exceed two feet in diameter, but most are less than one foot.