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  #1  
Old 03-18-2011, 06:19 AM
Zoidberg Zoidberg is offline
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Default Please ID these hitch hikers

My tank is just finishing cycling, and I've found quite a few hitch hikers in my live rock. Any help identifying them would be appreciated!

#1 some pink ricordea or mushroom coral? It curled up pretty tight when it was first introduced to the lights, it's still parked in the shade for now. about 1/2" across.


#2 no clue what this is, 3/4" across.



#3 Not sure what to make of this guy... I thought I only had one, but today I found 3. About 3/4" long.


Thanks for looking!

Last edited by Zoidberg; 03-18-2011 at 06:20 AM. Reason: spelling
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  #2  
Old 03-18-2011, 06:36 AM
ScubaSteve ScubaSteve is offline
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1. Seriously bleached mushroom (Actinodiscus sp.)
2. No freaking clue... almost looks like two sea cucs goin' at it. Can you desribe it a bit?
3. Looks like a snail of sorts. Nassarius maybe? Got a better pic?
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  #3  
Old 03-18-2011, 07:16 AM
Zoidberg Zoidberg is offline
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Thanks ScubaSteve,

#2 doesn't move very often. I'm pretty sure it's just one critter. I've seen it in a few different places on that rock and it's always sitting there not doing much.

#3 is tricky to photograph right now. I watched it for a while and the other side looks like some sort of clam. It's got bilateral symmetry and pulls itself along with a foot/tongue.
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  #4  
Old 03-18-2011, 07:30 AM
Zoidberg Zoidberg is offline
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Better pictures of #3



Sorta bad focus on this one but it shows the foot.
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  #5  
Old 03-18-2011, 08:01 AM
ScubaSteve ScubaSteve is offline
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Is your number #2 hard?.... Ok, that sounds weird... Feels kinda like I'm playing a dirty version of "Guess Who?". Does it move around? Does it keep the same shape as it moves around?

#3... that things cool. I still can't quite tell. It's a bivalve. Based on the shell shape and the hinge I say a clam of some sort. But what blows my mind is that you say it pulls itself around?
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  #6  
Old 03-18-2011, 03:26 PM
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JohnnyReeftank JohnnyReeftank is offline
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I think I had a few #3's in my tank but they were much smaller......try googling Cantharus Whelk.....or Columbellid snails (aka Dove Snails).....both are undesirable hitchikers so I removed mine just to be sure.
__________________
35g Algae tank....some nuisance corals
-- Deltec MCE600 Skimmer
-- 4x36" GLO T5HO
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  #7  
Old 03-18-2011, 03:44 PM
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mws mws is offline
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#2 is a mistery to me
#3 looks like a clam
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  #8  
Old 03-18-2011, 04:06 PM
Zoidberg Zoidberg is offline
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#2 I gave it a gentle poke and it was hard which surprised me, it wouldn't budge at all like it was glued there. It didn't move last night so I'm not sure if it's still alive.

#3 is definitely some sort clam, I think...
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  #9  
Old 03-19-2011, 06:25 AM
bvlester
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#2 snail or abalone with the skeliton of a chalice on its back
#3 is a small clam it has a foot that it can pull it's self around with I have some in my tank they can get a far size.

Bill
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