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Key Facts In This Video
The colossal squid is even bigger than the giant squid, and has sharp hooks on its tentacles. 02:18
The thorny dragon is covered with conical spines. It has a false head on the back of its neck that is meant to fool predators. 06:11
Pyura chilensis resembles a rock, but is actually a tunicate that some people consider an edible delicacy. 08:16
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