底层鱼：红鲑鱼的价格稳定在比较适中的水平上，深水鱼的价格还是比较高。
GROUNDFISH: Redfish prices are stable at a moderate level. Prices for deep-water fishing product remain high.
现在缅因州仅存70艘底层鱼捕鱼船，仅及上世纪90年代数字的一半，与几十年前比起来，相较甚远。
There are only 70 groundfishing vessels left in Maine, less than half the number in the 1990s, and a far cry from decades past. Few working waterfronts remain.
底层血贝和海草养殖(不使用鱼围)。
Bottom culture (where no enclosures are used) of the Blood Cockle and of seaweed.
但是其它生活在底层的鱼像鳕鱼会向下游到试图逃脱。
But other groundfish, like cod, swim down to try to break out.
不是显而易见的。只要你不吃底层的鱼。
黄颡鱼是广布于我国各江河湖泊的一种习见小型经济鱼类，生活水流底层。其头骨共有126块；
Pelteobagrus Fulvibraco is a species of small economic catfish dis- tributing all over the rivers and lakes of our country.
黄颡鱼是广布于我国各江河湖泊的一种习见小型经济鱼类，生活水流底层。其头骨共有126块；
Pelteobagrus Fulvibraco is a species of small economic catfish dis- tributing all over the rivers and lakes of our country.
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