![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Antarctic_krill_ommatidia.jpg/640px-Antarctic_krill_ommatidia.jpg)
「一隻複眼有幾多隻細眼」呢點就會隨物種而有異-澳洲嘅東南蜻蜓(Petalura gigantea)一隻複眼據講有 23,890 隻細眼,而且隻隻一樣咁大[1]。
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