I like to think that this is what our first encounter with alien life will look like (although in reality it will probably end up being some single-celled boring-ass thing), the first video beamed back from a Europan ocean probe (as previously reported here). It's actually an "elbowed" Magnapinna squid that presumably snags prey as they brush past its arms at pitch-black ocean depths (full story here).
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Thanks Paddy for pointing this video out to me and for letting me rip-off your blog.