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。
Other so-called suckermouth armored catfish species use their unique teeth to scrape organic material from the surfaces of submerged wood.
科学家在以往对其它种类胡子鲶鱼进行的研究中发现，它们通常使用造型独特的牙齿从沉入水底的树木表面刮取有机物充饥。
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