The electric eel lives in South American rivers.
电鳗住在南美洲的河里头。
Its body is full of special cells.
它的身体里，全是特殊的小细胞。
These cells are like tiny batteries.
这些细胞，就像一节节小电池。
Thousands of them line up in a row.
成千上万个，排成长长的一队。
Together they can give a strong shock.
合起伙来，就能放出很厉害的电。
It uses the shock to catch fish and stay safe.
它用电来电鱼，也用来保护自己。
