A new species of armored, wood-eating catfish (pictured underwater) found in the Amazon rain forest feeds on a fallen tree in the Santa Ana River in Peru in 2006.
当2006年科学家在秘鲁的亚马逊雨林发现这种盔甲食木鲶鱼时，它正在啃食一棵倒在圣安娜河中的枯木。
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Other so-called suckermouth armored catfish species use their unique teeth to scrape organic material from the surfaces of submerged wood.