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harpacticoida copepod i think!

 
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Adrian



Joined: 24 Aug 2006
Posts: 191
Location: Australia

PostPosted: Sun Oct 22, 2006 7:42 am    Post subject: harpacticoida copepod i think! Reply with quote

i took a new sample today from my sea water jar samples, had a look through the scope has some rotifers and heaps of ciliates.

when i was looking at them i got a shock from seeing some huge bug run across the feild of view really fast, i was like woah what the hell was that!

so i put the 4x objective on and searched around and woah i found this copepod, i think its a harpacticoida, its so huge, its the largest microbug ive found! you can see it with your bare eyes, its like a tiny tiny spec smaller then a grain of sand


brightfeild 10x


darkfeild 4x

i think im geting better at making microscope images, i like the brightfeild one, i think its easyer the larger they are though.
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Ken Ramos



Joined: 27 Jul 2006
Posts: 7076
Location: lat=35.4005&lon=-81.9841

PostPosted: Sun Oct 22, 2006 8:32 am    Post subject: Reply with quote

Appears to be a rather young cylcops, yes a copepod, but I have never seen one from a sea water sample before, at least I don't think so. Some very good images there Adrian, I like the brightfield image the best too. Very Happy
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Cyclops



Joined: 05 Aug 2006
Posts: 2968
Location: North East of England

PostPosted: Sun Oct 22, 2006 9:33 am    Post subject: Reply with quote

Looks like my namesake,Cyclops!
Great images!
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beetleman



Joined: 04 Aug 2006
Posts: 3578
Location: Southern New Hampshire USA

PostPosted: Sun Oct 22, 2006 1:55 pm    Post subject: Reply with quote

Like everyone said, I have seen them in fresh water. I have never looked at saltwater so I cannot comment on that part. The brightfield shot is sharper...notice the three red dots mid body. Think Very cute creature Wink
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bernhardinho



Joined: 13 Aug 2006
Posts: 560
Location: Germany

PostPosted: Mon Oct 23, 2006 4:33 am    Post subject: Reply with quote

Nice shots,

yes, ther're impressive: I think you're right: it's a harpacticoida. So it can't be Cyclops which obviously is a cyclopoida! I find Attheyella or Bryocamptus rather liklely!


Bernhard
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Adrian



Joined: 24 Aug 2006
Posts: 191
Location: Australia

PostPosted: Mon Oct 23, 2006 11:08 pm    Post subject: Reply with quote

i dont think its the cyclops eather, from descriptions the cyclops has 4 spine thingys coming out of the rear where this has 2

allso, ive read the harpacticoida is allso known as "Sea Moth"

it sheaded its skin last night! quite facinating, heres a picture of the shell of skin it left behind, on the other hand the copepod seems to be growing


10x brightfeild
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Cyclops



Joined: 05 Aug 2006
Posts: 2968
Location: North East of England

PostPosted: Tue Oct 24, 2006 4:02 am    Post subject: Reply with quote

Reminds me of a Fairy Shrimp almost!
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