crown-of-thorns

基本解釋

Other environmental pressures to the reef and its ecosystem include water quality from runoff, climate change accompanied by mass coral bleaching, and cyclic outbreaks of the crown-of-thorns starfish.
其他對于大堡礁及其生態(tài)系統(tǒng)的環(huán)境壓力來自徑流的水質(zhì)問題，伴隨著大規(guī)模珊瑚白化的氣候變化以及棘冠海星的周期性爆發(fā)現(xiàn)象。

Although it is a natural inhabitant of the Great Barrier Reef, the crown-of-thorns has, in recent years, undergone several population explosions.
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The remaining two-fifths, they say, was predation by the crown-of-thorns starfish.
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They had spent months on it, secretly collecting firewood, carving it -- the cross and the body -- using radio wire for a crown of thorns.
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a starfish, Acanthaster planci, that has a spiny test and feeds on living coral in coral reefs