Overview:
The Bicolored Green Torch (Euphyllia glabrescens) is the “motion king” of the reef tank. Unlike the shorter tentacles of Hammers or Frogsawn, a Torch coral features long, flowing tentacles that dance in the current, adding a hypnotic, kinetic energy to the aquarium. The Bicolored Green variety is particularly striking because it combines two distinct shades—usually a neon or forest green base on the tentacle that transitions into a contrasting tip (often white, gold, or a lighter mint green).
Coloration: Vibrant green stalks with bright, contrasting pink and blue tips.
Size: Sold as a single head on a 0.5 -1 inch frag plug A single head can expand its tentacles to cover a 3–5 inch diameter area.
Lighting: Moderate to High (150–250 PAR; they need more light than other Euphyllia to maintain their bright green pigments).
Water flow: Moderate (Crucial: You want a “pulsing” or “random” flow that keeps the tentacles swaying. Direct, constant blast will cause the tissue to retract or tear).
Feeding: Optional but beneficial. They have large mouths and will catch mysis shrimp or high-protein pellets, which helps with head splitting (propagation).
Aggressiveness: Very Aggressive. Torch corals have long “sweeper” tentacles that can reach out much further than their normal size. They will sting and kill almost any other coral they touch—except for other Torches.
Care Level: Moderate (they are more sensitive to “Brown Jelly Disease” and parameter swings than Hammers).
The “Torch Island” Strategy
Because Torches are so aggressive, many reefers create a “Torch Island.” Since most Euphyllia glabrescens varieties can touch each other without fighting, you can group your Bicolored Green Torch with Gold or Purple torches on a single rock structure. This creates a massive, multi-colored “bouquet” of movement while keeping your other corals safe from their stings.
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