Not noticeable. As long as you don't eat the bottom fish.

不是显而易见的。只要你不吃底层的鱼。

youdao

The fish were flopping around in the bottom of the boat.

鱼在船底扑腾。

《牛津词典》

There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish.

在海底中生活着一种琵琶鱼，它的头顶有一根突出的杆，带有用来捕获其他鱼类的诱饵。

youdao

There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish to fool them in thinking that this is something edible and then to themselves be devoured.

在深海中生活着琵琶鱼,这种鱼的头顶会长出鱼竿状的长刺,用于引诱和捕获其他鱼类,让它们误认为那是食物,然后它们自己就被吃掉了。

耶鲁公开课 - 心理学导论课程节选

So is it time to bottom fish?

FORBES: AOL: Time To Bottom Fish?

Is it too soon to bottom-fish in Asia?

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Now, or I should say, again, just when you thought it was safe to bottom-fish in the distressed single-family housing market, maybe for a home for you and your family, along comes the Wall Street gang, again.

FORBES: Rising Home Prices And Falling Unemployment: Don't Trust the Numbers