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Hermissenda crassicornis

By PaulY
This is a beautiful little 1 inch long sea slug from the California coast. It feeds on animals related to sea anemones which have stinging cells for defense. For some reason the stinging cells don't explode when Hermissenda feeds on them. Instead the stinging cells migrate to those colorful plumes, which you see on the back of the sea slug. There, the stinging cells become part of Hermissenda's arsenal of defense.

Your science oddity of the day!

Tags: Macro Close-up and macro Scuba Hermissenda Wildlife and nature Flash and lighting

Voters: RuthyJ, PatrickSmith, shaundp and 9 more

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RuthyJ 16 England
6 Mar 2007 6:46PM
Thats a funky critter. lovely colours,nice detail.
shaundp 17 73 United Kingdom
6 Mar 2007 7:20PM
like your choice of subject matter! shaun
RipleyExile 19 1.6k 17 England
6 Mar 2007 8:42PM
Like an alien looming out of the darkness.
6 Mar 2007 11:06PM
Superb capture with lovely colors!

PatrickSmith 17 1.2k 2 United States
8 Mar 2007 5:34AM
This must have been difficult to do. Nice work.

akahmed 16 United Kingdom
13 Mar 2007 11:02PM
This is a cool shot,i just love the colours and the compo.
11 Aug 2007 3:14PM
I would like one of those in my fish tank!

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