What is sweeper tentacle?
sweeper tentacle meaning A coral polyp tentacle that has an increased number of nematocysts and elongates in order to ‘sting’ neighboring corals and sessile invertebrates. A tool in the competition for space and resources
A hammer coral (right) thrusts out a sweeper tentacle towards a mushroom anemone (left). (Photo: Scott Brooks)
reference: Coral Reef Information System – GlossaryWhat is