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The Greg Carroll Ultimate Stag (scientific name: Acropora cervicornis or a close staghorn variant) is a legendary aquacultured small polyp stony (SPS) coral strain, bred and popularized by Greg Carroll, a veteran reefkeeper known for his massive SPS systems (e.g., his 250-gallon tank featured in reef media). Originating from Indo-Pacific wild imports in the early 2000s, this staghorn morph is celebrated for its striking blue coloration and robust growth, making it a centerpiece for advanced SPS enthusiasts. It's often compared to Tyree's Ultimate Blue Stag or Battlestar, with some believing it's the same foundational Indo stag line that's been selectively bred over decades.
Coloration: Features a baby blue base and center with darker blue corallites (side polyps) that create a textured, almost iridescent skin. The tips glow vibrant green under high-intensity lighting, shifting to more green throughout the branches under lower light—resembling a "Battlestar" morph. Polyps are small and sparse, extending subtly for a sleek, stag-like profile.
Structure: Classic staghorn form with upright, finger-like branches that grow densely and compactly, often tabling out in mature colonies. Corallites are spaced out, giving a refined, less bushy look than wild stags. Frags start at 1–2 inches; full colonies can reach 12+ inches tall and wide.
Sold in 1-2” frags
The Greg Carroll Ultimate Stag (scientific name: Acropora cervicornis or a close staghorn variant) is a legendary aquacultured small polyp stony (SPS) coral strain, bred and popularized by Greg Carroll, a veteran reefkeeper known for his massive SPS systems (e.g., his 250-gallon tank featured in reef media). Originating from Indo-Pacific wild imports in the early 2000s, this staghorn morph is celebrated for its striking blue coloration and robust growth, making it a centerpiece for advanced SPS enthusiasts. It's often compared to Tyree's Ultimate Blue Stag or Battlestar, with some believing it's the same foundational Indo stag line that's been selectively bred over decades.
Coloration: Features a baby blue base and center with darker blue corallites (side polyps) that create a textured, almost iridescent skin. The tips glow vibrant green under high-intensity lighting, shifting to more green throughout the branches under lower light—resembling a "Battlestar" morph. Polyps are small and sparse, extending subtly for a sleek, stag-like profile.
Structure: Classic staghorn form with upright, finger-like branches that grow densely and compactly, often tabling out in mature colonies. Corallites are spaced out, giving a refined, less bushy look than wild stags. Frags start at 1–2 inches; full colonies can reach 12+ inches tall and wide.
Sold in 1-2” frags