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Clam shrimp, glycerin saturated and submerged - Eulimnadia geayi - female

Clam shrimp, glycerin saturated and submerged - Eulimnadia geayi - Female
Kirtland AFB, Bernalillo County, New Mexico, USA
July 31, 2013
Size: 8.4mm X 5.3mm Carapace
Download high resolution image here.

This specimen was collected from a vernal pool near the southern end of Carlisle Blvd., (Albuquerque East 7.5 minute quadrangle), Kirtland AFB, Bernalillo Co. NM. See Clam shrimp, live remarks for the main discussion of its environment and identification.

This specimen was stored in ETOH 95% for 3 years, then transferred to glycerin for several days. It is submerged in shallow glyercin for this image. This preserves colors and allows for a natural display of its legs and other extremities, which would otherwise be wetted down. Glycerin (like water) also renders the carapace transparent, although details within are blurred. The objective used does not correct for the glycerin's index of refraction, so spherical aberration also limits resolution.

This image is from a CombineZP processed stack of 17 images with uniform step taken with a Mitutoyo M Plan APO 5×/0.14 ∞/0 mm microscope objective + Nikon 135 mm F2.8 AIS telephoto lens + Nikon D810 camera (magnification 3.375×; technique described here).

Specimen image sets:

Images of this individual: tag all
Clam shrimp, glycerin saturated and submerged - Eulimnadia geayi - female Clam shrimp in glycerin, right carapace removed - Eulimnadia geayi - female Clam shrimp telson, glycerin saturated - Eulimnadia geayi - female