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呢三種魚其實可以歸納做Cephalopods ,Cephalo-有腦 ,pod-腳,而呢兩個特徵都係佢地比較出眾既地方。呢個post主要講下cephalopod有咩引人入勝既地方。
腦
點解有腦會係一個特徵呢?因為呢種有腦係真係聰明果隻有腦。佢地有一個複雜,而且大既Nervous System。大家係Finding Dory見到果條八爪魚爬出fish tank並唔係無可能,而係一個好普遍既情況。
![](http://static4.businessinsider.com/image/57686899dd089522388b4a15-1190-625/the-octopus-from-finding-dory-is-real-and-its-blowing-our-minds.jpg)
腳
腳方面,八爪魚當然係有8隻腳啦,不過squid同cuttlefish就有5 pairs 腳,再加兩條大觸手
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![](http://www.daviddarling.info/images/cuttlefish_artwork.jpg)
噴墨
無錯大部份Cephalopods係會噴墨既,大家卡通都成日會見到。噴得出自己啲珍藏,可想而知唔係有生命危險都唔會用啦。噴墨主要係想混淆predator,通過1) create smokescreen,2) 空禪之術(姐係分個假身出黎)。噴墨同時會產生推動力比自己更快地走佬。
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![](http://sites.jmu.edu/bio103shook/files/2016/04/octopusssssssss.jpg)
隱形
所謂隱形,其實包括左兩種技能,變質同變色。由於Cephalopod有好勁既視覺系統,佢地會控制自己表皮,模擬自己見到外在環境既pattern。
![](http://static2.businessinsider.com/image/5240503a69beddab5cb8fa90/octopus-camouflage-3.gif)
而變色都同樣地係靠表皮既細胞去變,但係神奇既地方在於cephalopod係色盲既,佢地點知變咩色呢個問題以我所知好似仲未解答到。
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發光
某啲cephalopods,尤其居於深海既物種,都會有識發光既特徵。呢啲Bioluminescence通常由共生(symbionts)既微生物發出。至於如何閃,點樣閃則靠cephalopod表皮上既photophores控制。呢啲光主要用於溝通,吸引獵物同避開捕食者。
![](http://www.deepseanews.com/wp-content/uploads/2015/12/gif-squid-bioluminescence-1.gif)
![](https://s-media-cache-ak0.pinimg.com/originals/03/45/5d/03455dd5d7c55d00fdc5bfb2b4143264.jpg)
煮法
三種魚之中,我個人最鐘意就係八爪魚。之前係意大利食過就咁boiled,攤凍,切片,加入boiled potatoes,落橄欖油,檸汁,parsley,salt,pepper正到飛起
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有唔明可以隨便問/指正
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