Blind a shoaling fish such as a herring and it can still follow its mates. Cut its lateral lines and it rapidly gets lost.

群体性鱼，比如鲱鱼的眼睛被弄瞎后，它仍然能跟随同伴前进，而除去侧线的鲱鱼则会很快迷失方向。

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Blind a shoaling fish such as a herring and it can still follow its mates. Cut its lateral lines and it rapidly gets lost.

群体性鱼，比如鲱鱼的眼睛被弄瞎后，它仍然能跟随同伴前进，而除去侧线的鲱鱼则会很快迷失方向。

youdao