鸚嘴魚(yú) 東內(nèi)格羅斯省沿海的鸚嘴魚(yú) 這些色彩鮮艷的鸚嘴魚(yú)正游出菲律賓的內(nèi)格羅斯東省海岸。超過(guò)80種鸚嘴魚(yú)大量生活在世界的熱帶海洋中，在印度-太平洋地區(qū)發(fā)現(xiàn)的物種多樣性最多。這些厚重的魚(yú)有巨大的鱗片和融合了牙齒的喙，它們用來(lái)勤奮地刮去礁石和巖石上美味的藻類(lèi)。它們還吃珊瑚，用喉嚨里的盤(pán)狀牙齒把珊瑚磨碎。研究人員表示，鸚嘴魚(yú)通過(guò)食用會(huì)抑制珊瑚生長(zhǎng)的藻類(lèi)，在珊瑚礁的健康中發(fā)揮著關(guān)鍵作用。它們還有助于補(bǔ)充這些熱帶珊瑚礁附近的白色沙灘。為何?鸚嘴魚(yú)消化了珊瑚的可食用部分后，就會(huì)排泄出剩下的沙子——大量的沙子。在某些物種中，一只鸚嘴魚(yú)每年可以排泄近1000磅珍珠白色的沙子。但不要介意——一些瑣事最好不要細(xì)想。

原文:

These brightly colored parrotfish are swimming off the coast of the Negros Oriental province in the Philippines. Over 80 species of parrotfish live in abundant numbers in the world's tropical seas, with the most species diversity found in the Indo-Pacific region. These thick-bodied fish have large scales and a beak of fused teeth they use to diligently scrape off delicious algae from reefs and rocks. Some also eat coral, which they grind up with plate-like teeth in their throats. Researchers say parrotfish play a critical role in the health of coral reef by eating algae that can choke off coral growth. They also help replenish the white sandy beaches near these tropical reefs. How? After parrotfish digest the edible parts of coral, they excrete what's left as sand–a lot of sand. In some species, a single parrotfish can poop almost 1,000 pounds of pearly white sand each year. But never mind that–some trivia is best not to dwell on.

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