In the Anthozoa class, all adult organisms are sessile or sedentary, meaning they can move but spend most of their time in only one place, as well as exhibiting only the polyp stage.
Anemones - larger, heavier, more complex than Hydrozoa; specialized tentacles called acrorhagi
Coral animals - secrete skeleton, hard/stony corals (scleractinian corals) form coral reefs
Soft corals - most common octocorals, which have 8 feathery tentacles, are gorgonians
Anemones - larger, heavier, more complex than Hydrozoa; specialized tentacles called acrorhagi
Coral animals - secrete skeleton, hard/stony corals (scleractinian corals) form coral reefs
Soft corals - most common octocorals, which have 8 feathery tentacles, are gorgonians