To cite package ‘fishmechr’ in publications use:

  Tytell E (2026). _fishmechr: Computes Kinematic Parameters for
  Swimming_. R package version 1.0.3.9000,
  <https://github.com/tytell/fishmechr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fishmechr: Computes Kinematic Parameters for Swimming},
    author = {Eric Tytell},
    year = {2026},
    note = {R package version 1.0.3.9000},
    url = {https://github.com/tytell/fishmechr},
  }