它是北美体型最大的鲶鱼，并且是北美第三大纯淡水鱼，排在其之前的分别是黄鲟和白鲟。
It is the largest catfish in North America and the third largest obligate freshwater fish in North America, behind the lake sturgeon and paddlefish.
世界十大大型淡水鱼中有四种会迁移至湄公河产卵。
Four of the world's 10 biggest freshwater fish migrate up the Mekong to spawn.
针对目前淡水鱼加工机械化程度低、劳动强度大的现状，研制了用于淡水鱼前处理加工的剖鱼机。
Based on low mechanization degree and heavy laboring intensity in fish processing, a fish shearing machine for fish pre-processing has been investigated.
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