Florent's Guide To The

Tropical Pacific Reefs

Giant Cup Mushroom
Amplexidiscus fenestrafer
Giant Cup Mushroom
Also known as: Elephant Ear Disc Anemone
Category: Corallimorphs
Scientific Name: Amplexidiscus fenestrafer
Size: Up to 12 in. (30 cm)  
Depth: 10-60 ft. (3-18 m)
Distribution: Indo-Pacific, Australia
Cnidaria (Phylum)
└Anthozoa (Subphylum)
 └Hexacorallia (Class)
  └Corallimorpharia (Order)
   └Discosomidae (Family)
    └Amplexidiscus (Genus)

Cnidarians
Corallimorphs

Giant Cup Mushroom

Paracorynactis hoplites



All Photographs
© 2025 Florent Charpin