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25
A study has shown for the first time that sea stars (also known as starfish) use primitive eyes at the tip of their arms to visually navigate their environment. New research has shown that sea star eyes are image-forming and could be an essential stage in eye evolution.

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25
Snails in the Great Barrier Reef literally jump for their life to avoid predators. But will they be able to maintain these life-saving jumps, with rising sea temperatures? A new study shows that the snails will indeed be able to keep on jumping, even at temperatures which will kill fish.

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25
To prevent coral reefs around the world from dying off, deep cuts in carbon dioxide emissions are required, says a new study. Researchers find that all existing coral reefs will be engulfed in inhospitable ocean chemistry conditions by the end of the century if civilization continues along its current emissions trajectory.

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25
Boat noise disrupts orientation behavior in larval coral reef fish, according to new research. Reef fish are normally attracted by reef sound but the study, conducted in French Polynesia, found that fish are more likely to swim away from recordings of reefs when boat noise is added.

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25
Ocean acidification due to rising carbon dioxide levels will reduce the density of coral skeletons, making coral reefs more vulnerable to disruption and erosion, according to a new study of corals growing where submarine springs naturally lower the pH of seawater. The study is the first to show that corals are not able to fully acclimate to low pH conditions in nature.

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25
Scientists have described for the first time the biological process of how corals create their skeletons, which form massive and ecologically vital coral reefs in the world's oceans. They identified specific proteins secreted by corals that precipitate carbonate to form the corals' characteristic skeleton.

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25
Better land use is the key to preventing further damage to the world's coral reefs, according to new research. The study has important implications for Australia's Great Barrier Reef. The study authors write that preventing soil erosion and sediment pollution arising from human activities such as deforestation are crucial to reef survival.

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25
Two new beautiful species of octocorals and a new genus have been described from the well explored west coast of North America. Despite the 3,400 known species nowadays, these colorful marine jewels continue to surprise with new discoveries which calls for a detailed exploration of the remarkable biodiversity of octocorals.

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