所有的八腕總目(章魚)跟烏賊目，還有一些魷魚是有毒性的*。

章魚的毒液是捕食的機制: 牠們用腕足抱住獵物後，分泌有毒TTX唾液將其麻醉。

其中藍環章魚唾液中含有高量的神經毒素，足以讓人致命，是最危險的海洋生物之一。

小巧可愛的條紋耳烏賊，受威脅時會分泌有毒的黏液來保護自己。

火焰花枝的肌肉組織具有強烈毒性，千萬不要誤食。

__出處:__
B.G. Fry, K. Roelants and J.A. Norman. Tentacles of Venom: Toxic Protein Convergence in the Kingdom Animalia. Journal of Molecular Evolution, 2009; 68 (4): 311 DOI: 10.1007/s00239-009-9223-8


All octopuses and cuttlefish, and some squids are venomous.*

The blue-ringed octopuses  (genus Hapalochlaena) are among the most venomous animals in all of the world's oceans.

Striped pajama squids (*Sepioloidea lineolata*) excrete toxic slime when threatened to protect themselves.

Flamboyant cuttlefish (*Metasepia pfefferi*) is the only cuttlefish to have deadly poisonous flesh.

__Source:__
B.G. Fry, K. Roelants and J.A. Norman. Tentacles of Venom: Toxic Protein Convergence in the Kingdom Animalia. Journal of Molecular Evolution, 2009; 68 (4): 311 DOI: 10.1007/s00239-009-9223-8


venomous cephalopods

Cephalopods that are both venomous and toxic. 

有毒的頭足類

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