Ambiguous tag.
- The Fish called skipjack tuna is currently tagged as Bonito.
- For the artist formerly tagged here, see Sabano Niwatori or Katsuo (Namakemono Space).
- For a Sazae-San character, see Isono Katsuo.
- For Italian word cazzo, see Penis.
- For some other artists named katsuo: katsuo_* | *_katsuo
- For some characters named katsuo: katsuo_* | *_katsuo
- For some copyrights named katsuo: katsuo_* | *_katsuo