Aerial single target acuity of harbor seals (Phoca vitulina) for stationary and moving targets of varying contrast

Sandow, Laura-Marie; Hanke, Frederike D.

doi:10.1016/j.visres.2024.108389

Vision Research

2024

DOI: 10.1016/j.visres.2024.108389

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Aerial single target acuity of harbor seals (Phoca vitulina) for stationary and moving targets of varying contrast

Laura-Marie Sandow,

Frederike D. Hanke

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2024

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Single target acuity for moving targets in the common sunfish (Lepomis gibbosus)

Hoppe,

Spratte,

Hanke

et al. 2024

Biology Open

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The common sunfish (Lepomis gibbosus) likely relies on vision for many vital behaviors that require the perception of small objects such as detection of prey items or body marks of conspecifics. A previous study documented the single target acuity (STA) for stationary targets. Under many, if not most, circumstances, however, objects of interest are moving which is why the current study tested the effect of the ecologically relevant parameter motion on sunfish STA. The STA was determined in two sunfish for targets moving randomly at a velocity of 3.4 deg/s. The STA for moving targets (0.144±0.002 deg) was equal to the STA for stationary targets obtained from the same fish individuals under the experimental conditions of this/the previous study. Our results contribute to a comprehensive understanding of fish vision, extending the large data set available on grating acuity.

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Single target acuity for moving targets in the common sunfish (Lepomis gibbosus)

Hoppe,

Spratte,

Hanke

et al. 2024

Biology Open

Self Cite

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Aerial single target acuity of harbor seals (Phoca vitulina) for stationary and moving targets of varying contrast

Cited by 1 publication

References 41 publications

Single target acuity for moving targets in the common sunfish (Lepomis gibbosus)

Single target acuity for moving targets in the common sunfish (Lepomis gibbosus)

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