1. A chute assembly for capturing images of an alligator, the chute assembly comprising: a base; a ceiling; a plurality of guides connecting the base and the ceiling, each guide comprising a support attached to the base and a concentric, free-moving cylinder attached to the ceiling; a bed attached to the plurality of guides and positioned between the ceiling and the base, the bed including one or more floats attached to an underside of the bed, wherein the floats operate to keep the bed at a waterline when the chute assembly is placed into a water tank; and a camera box attached to the ceiling, the camera box comprising an imaging device coupled to a processor and a memory, the imaging device operable to capture images of the bed.