Krakatoa
A variant of Zoanthids (Zoanthus sp.)

Representative Zoanthidsphoto — a dedicated image of this exact morph isn't available yet.
A fiery red-orange morph with a contrasting center, named for the volcano. Derivative lines like 'Queen Krakatoa,' 'Speckled Krakatoa,' and 'Grand Master Krakatoa' are among the most prized zoas in the hobby.
📜 Backstory
Krakatoa and its derivatives (Queen Krakatoa, Grand Master Krakatoa) are sold by World Wide Corals and feature in WWC collector zoanthid packs cited in reef2reef sale threads. It is a premium named morph; precise origin is debated but the lineage is a hobby standard among high-end zoas.
Keeper tips for this variant
Reds hold best under moderate light without being overexposed; stable parameters and gentle flow keep the fiery skirt saturated.