Latest Reef Stories
Major weather events can shock an ecosystem, but they are also part of Earth’s natural cycle, and many species are adept at recovering from an environmental shake up.
With ecotourism on the rise, determining what elements of a nature-based attraction are most appealing can have significant consequences financially and for raising awareness of conservation issues.
Researchers wrote in the journal Environmental Research Letters that all existing coral reefs will die from inhospitable ocean chemistry conditions by the end of the century if civilization continues on its current path.
The density of coral skeletons will be reduced by ocean acidification due to rising carbon dioxide levels, according to an international group of scientists led by the University of California, Santa Cruz.
The corals reefs on Australia’s Great Barrier Reef were devastated by Cyclone Yasi – a Category 5 Hurricane which made landfall in Queensland, Australia, on February 3, 2011.
The Conservancy is highlighting the benefits of coral, mangrove, sea grass, and shellfish restoration to people and nature including reducing risk from natural disasters for coastal communities
The mechanism underlying three unique reef formations and how they developed over evolutionary time has produced an enduring debate between two hypotheses – the first from English naturalist Charles Darwin and the second from geologist Reginald Daly. A new study has put an end to both conflicting theories.
As a changing climate threatens to bleach the corals of the world’s oceans on a massive scale, a team of researchers has discovered why some corals respond differently to bleaching than others.
Coral reefs are submerged structures consisting of calcium carbonate secreted by corals. Coral reefs are colonies of small animals found in marine waters that enclose few nutrients. The majority of coral reefs are constructed from stony corals, which then consist of polyps that come together in groups. The polyps are like small sea anemones, to which they are very closely related. Unlike the sea anemones, coral polyps secrete hard carbonate exoskeletons which provide support and protections...
Chalice Corals, are a family of stony corals in the Pectiniidae family. Members of this family are mostly colonial but at least one species, Echinomorpha nishihirai, is solitary. These corals are endemic to the Indian and Pacific oceans. Pectiniids have a number of different forms but are basically streamlined and smooth. Polyps are large and brightly colored and resemble those of members of the Mussidae family of corals. The polyps are only extended at night. Tentacles are translucent,...
Siderastreidae is a family of colonial, reef building stony corals. Members of this family include symbiotic algae in their tissues which help provide their energy requirements. The World Register of Marine Species lists 7 genera within this family: Anomastraea, Coscinaraea, Craterastrea, Horastrea, Psammocora, Pseudosiderastrea, and Siderastrea. Corals in this family vary in form and include massive, thickly encrusting, columnar, and irregular forms. Corallites are linked by flowing...
Horn corals, known as Rugosa or Tetracoralla, are an extinct order of coral that were abundant during the Middle Ordovician to Late Permian stages. They were known as horn corals because of a unique horn-shaped chamber with a wrinkled (rugose) wall. These mostly solitary corals often reached lengths of nearly 40 inches. However, some species could form large colonies. Rugose corals have a skeleton made up of calcite that is often fossilized. Like modern corals, rugose corals were...
Tabulata is a family of extinct tabulate corals. These corals lived entirely during the Paleozoic era, being found from the Ordovician to the Permian stages. There are about 300 known genera of tabulate corals, of which Aulopora, Favosites, Halysites, Heliolites, Pleurodictyum, Sarcinula and Syringopora are the most common in the fossil record. These corals were mostly found in the shallow waters of the Silurian and Devonian, after which, they became much less common. They became extinct...
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