The phylum Cnidaria includes sea anemones as members of the marine invertebrate kingdom. They are sessile animals, which means they are immobile and firmly affixed to a surface. The bodies of sea anemones are typically cylindrical with a central mouth encircled by tentacles. These tentacles are equipped with specialised stinging cells called cnidocytes that they employ to capture and paralyse their prey. Sea anemones vary in a variety of sizes, hues, and shapes, but they are often found in tidal pools and coastal areas all around the world.
They share a symbiotic connection with some fish and other species, giving them refuge and protection while consuming the nutrients and waste products of their symbiotic partners. Sea anemones are intriguing organisms that are valued for their colourful appearance and crucial roles they perform in marine ecosystems.
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