Actinozoa

: They use tentacles armed with specialized stinging cells called nematocysts to capture prey, ranging from plankton to small fish.

: While sea anemones are typically solitary, many Actinozoans (like reef-building corals) form massive colonies of interconnected clones. Classification actinozoa

: Unlike many other cnidarians (such as jellyfish), Actinozoans do not have a medusa (free-swimming) stage in their life cycle. They remain as polyps throughout their lives. : They use tentacles armed with specialized stinging

: Includes sea anemones and stony corals. They typically have tentacles and mesenteries in multiples of six. actinozoa

The name Actinozoa stems from the Greek words aktis (ray) and zoon (animal), referring to their radial symmetry and the "ray-like" appearance of their tentacles.