珊瑚礁鱼的例子是鹤鱵，蓝子鱼，与可能地一些扁背鲀。

The only reef-associated examples are belonids, siganids, and possibly some canthigasterin puffers .

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尽管适于生产的刺鱼应该是扁却大嘴的，但是相互关联的特征使得这种进化成为不可能的。

Although the fittest possible stickleback might be both slender and wide-mouthed, these linked traits make such an evolutionary jump unlikely.

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塞姆回答：“好哇！可你是圆形的，我是扁的。”圆鱼说：“但是我们俩都是鱼啊！”

Sam answers: "Of course! But you are round. I am flat. " The round fish days: "But we are both fishes. "

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