Name: Clavularia viridis.
Origin: Zones of the Indo-Peaceful, Australia, Philippines, New Guinea, Islands Salomon, Indonesia.

Habitat: They Grow in the  sunny gaps, but also in the external rocky slopes of the reef, with tidal currents .Between 1 and 19 m of depth. Usually colonize other chorals.

Morphology: The foot is purplish fouling and polyps are brown or green, depending on variety. In the center of the polyp have a spherical structure that can be bright white, green or yellow. When polyps are closed, are colored purple. Each polyp has eight tentacles.

Maintenance: They are of the easiest corals to keep in captivity. It recommends current moderated and illumination of moderated to high. It is necessary to consider if it is situated beside another coral or the glass of the aquarium because can colonize.

PH: 8.1 - 8.4 Temperature : 22 – 25.5 º *C Density: 1.023 -1.025

Behaviour: His best bases to compete with other chorals is his capacity of growth, that it will be necessary to take into account at  placing other chorals near, then take away out light. It has not described interactions of chemical aggressiveness with other chorals.

Feeding: Photosynthetic thanks to the zooxanthelas that contain his polyps. It is also an animal filtering and thank the phytoplankton that aggregate to the aquarium .

Reproduction: Simple. There is enough with dividing the original colony and place  the cuttings in the new sites. To divide the foot of the colony mother it is necessary to use a tool of cut keen (leaf of bistoury or similar) and hit the new cuttings in another rock, a base and even the own glass. Once they begin to grow, adhere with quite facilitated to the surfaces that have next.