Before the salmons completes the last stages of their life cyle, i.e, spawn eggs and die, their colors turn red after entering fresh water.
Before the salmons completes the last stages of their life cyle, i.e, spawn eggs and die, their colors turn red after entering fresh water.
在鮭鱼完成了生命周期的最后阶段前,例如产卵和死亡,在进入淡水后就会变成红色.