By Bob Goemans
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Hydnophora rigida

(Dana, 1846)

Velvet Horn/Thorny Coral

Likely Reef Tank Suitable

Range: Indo-Pacific Ocean, Eastern Africa

Natural Environment: Shallow reef environments

General Husbandry: Has a temperature range of 74 to 83°F (23 - 28°C). Irregular somewhat flattened branches and usually a cream or green color. Requires at least moderate light and water movement and can be fed zooplankton type foods. They are aggressive and can deliver powerful stings with sweeper tentacles, however, attacks usually involve acrorhagi or mesenterial filaments.

 Hydnophora rigida (Velvet Horn/Thorny Coral)
Photo © Bob Goemans
Hydnophora exesa Merulina ampliata
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