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Horn Coral (Hydnophora exesa)

Find Horn Coral across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Horn Coral
Photo: (c) Ryan McMinds, some rights reserved (CC BY) · cc-by
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Where to buy Horn Coral

Best known price right now: $13.30 at World Wide Corals. Prices are checked periodically and may change.

  • World Wide Corals

    $13.30 (last checked)

    Search World Wide Corals
  • Tidal Gardens

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  • Amazon

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  • Petco

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About Horn Coral

Hydnophora exesa forms branching or columnar colonies with distinctive horn-like or tubular protrusions. Coloration ranges from brown and tan to greenish or reddish hues, often with lighter polyp tips. The corallites are prominent and tubular with visible septa.

Key facts

Flow Requirement
Medium
Family
Merulinidae
Feeding Needs
Light supplemental feeding
Origin
Indo-Pacific from the Red Sea to the Great Barrier Reef and throughout Micronesia.
Coral Type
LPS
Placement Recommendation
Middle
Care Requirements
• Placement: Middle to upper reef zones with moderate to strong lighting • Flow: Moderate to strong water flow; needs good circulation • Light: Moderate to high PAR (200-400 μmol/m²/s); prefers bright conditions • Feeding: Photosynthetic with supplemental meaty feeding (small foods like copepods, mysis) • Water: Stable parameters (pH 8.1-8.3, Alk 8-12 dKH, Ca 400-450 ppm); avoid copper
Additional Notes
Encrusting to plating hydnophora. Very aggressive with long sweeper tentacles.
Care difficulty
Moderate
Coloration
Brown, tan, greenish, or reddish with contrasting polyp coloration
Growth Rate
Fast
Lighting Requirement
100-200 PAR

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log coral, keep tank parameters organized, and maintain a complete livestock history. Log this coral on Reef Trak.

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