Amplexidiscus fenestrafer, commonly known as the giant  sea anemone. It is notable for its striking appearance, featuring a flat, disk-like body that can extend several feet in diameter, adorned with textures.

This species plays a vital role in its ecosystem, providing habitat and protection for various marine organisms and forming symbiotic relationships with fish such as clownfish. Its unique characteristics make it a subject of interest for both marine biologists and divers.