Purple-Base (Purple Foot) Magnifica
A variant of Magnificent anemone (Heteractis magnifica)

Representative Magnificent anemonephoto — a dedicated image of this exact morph isn't available yet.
Prized form with a vivid purple or magenta column and contrasting green/tan tentacles. The purple foot is the headline trait collectors pay for.
Keeper tips for this variant
The purple column pigment is non-photosynthetic protective coloration — bright light maintains it, but a stressed/wandering animal will dump color first, so do not move it once it settles.
Other Sea Anemones variants
Purple baseGreen/tan tentacle formsStandard Tan / Brown MagnificaGreen MagnificaRed / Rose MagnificaBlue / Teal Tentacle MagnificaYellow / Gold MagnificaPurple-Base Magnificent AnemoneGreen Magnificent AnemoneRed / Maroon Base Magnificent AnemoneRainbow / Multicolor Magnificent AnemonePurple Tip RitteriGreen Tip Ritteri (Purple Base)Yellow Tip RitteriRed-Tipped RitteriRed / Red-Magenta Base Rainbow RitteriUltra Purple Neon Yellow Tip (Aquacultured)Starry Night Ritteri