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Study author Kayla Martinez-Soto takes GPS coordinates of burrows in the PIE-LTER.

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Fiddler crab, Minuca pugnax, from Rowley, Massachusetts, which is within the PIE-LTER. This crab, no larger than the size of your thumb, is easily identified as a male due to the presence of its large claw. The small claw is used for eating, while the large claw is used for competition among males. These large claws can account for up to 40% of the crab’s mass, yet they aren’t strong enough to cause harm.

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A juvenile squid eating a krill (Thysanoessa macrura). This image was taken underwater using a waterproof macro lens. Both animals were captured with a pelagic net tow.

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Figure 3: Larval fish specimens from PAL-LTER in VIMS Nunally Ichtyology Collection

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Figure 2: Examples of reference zooplankton specimens archived at PIC.