Parasitic Crab

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klausi

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Messages
461
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Location
Dumaguete, Philippines
# of dives
2500 - 4999
I caught some footage of Echinoecus pentagonus, the crab which lives in the rectums of sea urchins, and spent a couple of hours after the dive reading up on the biology of the animal. A brief mini-review of the crab's biology and evolution is in the video in my narration. Most interestingly, close relatives of this crab species live in the deep sea; it seems that this lineage of crustaceans had to go to unusual means to avoid the dangerous predators of the open, shallow oceans.

There is some humor at the beginning of the video, I believe in making popular science more attractive in this way!

 
the ocean never ceases to amaze.

and the universe has a twisted sense of irony.
 
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