Fish navigation in the vertical dimension: can fish use hydrostatic pressure to determine depth?
Fish live in complex volumetric habitats, and as such, face a challenging environment through which to navigate. This problem might be simplified if fish could monitor their depth and determine their position within the water column. One possible cue that they could use to ascertain their vertical position is hydrostatic pressure, which varies linearly with depth. Until recently it was assumed that fish were incapable of using hydrostatic pressure to measure depth as they do not possess a mec...Expand abstract
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