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X_Digger

(18,585 posts)
Sun Mar 2, 2014, 07:08 PM Mar 2014

Halacaroidea marine mite (photomicrography)

This is a rather rare find for me- most of the critters I find in my sand are crustaceans of one family or another. This one is a true mite, an arachnid.

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Halacaroidea marine mite (photomicrography) (Original Post) X_Digger Mar 2014 OP
Looks like it lost a leg somewhere. alfredo Mar 2014 #1
That was probably my fault. X_Digger Mar 2014 #2
I'm sure he holds no grudge. alfredo Mar 2014 #3
Don't bet on it. Curmudgeoness Mar 2014 #4
Their attention span that long. Must not be over 50. alfredo Mar 2014 #7
Very cool. Curmudgeoness Mar 2014 #5
After watching a lot of ostracods, you get a feel for how they move. X_Digger Mar 2014 #6
One more mite shot.. X_Digger Mar 2014 #8

X_Digger

(18,585 posts)
2. That was probably my fault.
Sun Mar 2, 2014, 07:31 PM
Mar 2014

I had to scoop up sand into a small container, drop it spoonful by spoonful into a petri dish. I checked it out under one microscope, then once I saw the critter, use a probe and tweezers to get the grain of sand he was currently attached to into a different slide. Then I used a pipette to 'knock' him off the grain of sand so that I could put a cover slip on the slide.

Curmudgeoness

(18,219 posts)
5. Very cool.
Sun Mar 2, 2014, 10:48 PM
Mar 2014

It is always a pleasure to find something rare or new that you haven't found in the past. I don't know how you could tell the difference without the high magnification. And I assume that you already knew before you went through all that trouble.

X_Digger

(18,585 posts)
6. After watching a lot of ostracods, you get a feel for how they move.
Sun Mar 2, 2014, 11:02 PM
Mar 2014

Think a clam with legs. Or at least how you imagine a clam with legs would move.

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