Cup corals are non-reef building
species that inhabit shaded vertical surface and caverns down to great
depths. There are only two species likely to be seen while scuba diving in
Hawaii. They rely upon capturing zooplankton as food and extend beautiful
translucent tentacles at night. Cup corals are also found in very cold
water throughout the world.
All
coral skeletons illustrated are from scientific collections taken prior
to 1998.
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