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BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic1 reported Monday.
The newly-found ancient fish, "Laccognathus embryi", is a 1.8-meter-long predator3, which was "waiting to lunge out to grab whatever was in front of it," said study co-author Ted2 Daeschler, a vertebrate zoologist4 at the Academy of Natural Sciences in Philadelphia, the U.S..
It had a jaw5 filled with sharp teeth that were 1.5 inches long, the Journal of Vertebrate Paleontology described.
The fish lived in the Devonian period, 415 to 360 million years ago, which "was a fish-eats-fish kind of world," Daeschler said. "There was a real arms race going. If you didn't have good armor on your body, you were very vulnerable."
"It's not just finding the animal - it's also placing the animal in its evolutionary6 crucible," Daeschler added.
Its closest living relative is the lungfish which can survive in the drought, scientists said.
Scientists hope the finding can help in their study on the revolution of fishes as well as other species.
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1 geographic | |
adj.地理学的,地理的 | |
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2 ted | |
vt.翻晒,撒,撒开 | |
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3 predator | |
n.捕食其它动物的动物;捕食者 | |
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4 zoologist | |
n.动物学家 | |
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5 jaw | |
n.颚,颌,说教,流言蜚语;v.喋喋不休,教训 | |
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6 evolutionary | |
adj.进化的;演化的,演变的;[生]进化论的 | |
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