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Spiderweb catching the sun’s morning rays at FCE-LTER site SRS-4. The silken strands refract the light into a kaleidoscope of color.

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Spiny orbweaver spider (Gasteracantha cancriformis) suspended in the air at FCE-LTER site SRS-4.

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Long-jawed orbweaver spider (cf. Leucauge mariana) with the sun shining through its body, suspended in its web in the mangrove forest at FCE-LTER site SRS-6.

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Map of the Everglades, with a red line showing path traveled for the field day.

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A swamp eel pokes its head out of a sampling net. Most surveys used electroshocking to capture the elusive creatures.

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A swamp eel caught in a sampling net.

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Taylor Slough, site of the study, was once free of swamp eels. Once they were introduced, they spread to every sampling site in the watershed within four years and are now more common than other large fishes combined.