As for where they grow up, some say its the mouth of the Yangtse, others the seacoast off of Fukien. Some even surmise, based on a misapprehension of the name, that they come from Heilungkiang in mainland China (the first syllable of whose name is similar to the sound for "fish").
例如生長地，有人說是長江沿岸，也有人說是福建沿海，漁民更據名推測其來自烏（黑）龍江沿岸。