Sample From Caltech’s Turtle Pond

This video is from a sample of water taken from the turtle pond at about 10:50 PM on April 14th. The sample was collected from the stagnant area of the pond and placed in the standard microwell slide.

The organism at the beginning of the video appears to be a protozoan, judging by its unicellular appearance, the structure of the cell, and the similarity of its movement to that of a ciliate. The rest of the video has multiple opaque, quickly-moving objects displaying non-Brownian motion. Their motion indicates that they are alive, but my attempts to classify them have been unsuccessful. One method to determine their species may be to compare their size, shape, and motion to other organisms until the most probable match is found. #caltechbi1

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