Pachyclavularia is a pure trade name for flat growing horn corals from the genus Briareum, especially for the species Briareum (Pachyclavularia) violacea. Unlike other Briareum species, the tissue here is purple and not just beige or flesh colored. Therefore, in principle, we still consider the distinction by name to be useful, since the tissue color is sometimes not evident from photos, and also because it is common knowledge which species name would be correct here. The husbandry is very simple, nutrient values and light are rather irrelevant. One should look that the coral does not overgrow other animals, which is why one should place it separately if necessary, since it can easily sprawl with water values that suit it.

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