List of observed cetacean species in this dataset from 1998 to 2021. Prior to 2015, beaked whales were only recorded at the family level: Hyperoodontidae (Ziphiidae) and both dwarf sperm whale (Kogia sima (Owen, 1866)) and pygmy sperm whale (Kogia breviceps (Blainville, 1838)) were mostly recorded at the genus level: Kogia Gray, 1846.

  
  Part of: Hu C-H, Yu HY, Hoh DZ, Lin DL (2023) The observation records from whale and dolphin watching inshore of Hualien, eastern Taiwan. Biodiversity Data Journal 11: e109649. https://doi.org/10.3897/BDJ.11.e109649