Welcome to Arachnological Society of Japan

Arachnological Society of Japan (ASJ) was established in 1936 to promote the study of arachnids and myriapods and the information exchange among reseachers.
ASJ now holds one meeting per year and publishes Acta Arachnologica twice per year. Acta Arachnologica is a journal devoted to the study of arachnids and myriapods, and is printed in English and Japanease.

Anyone interested in the study of arachnids and myriapods can become a member of the society. If you are interested to become a member of ASJ, contact the secretary.


About ASJ-meeting 2021

posted: 2021.07.18


53rd Annual Meeting of ASJ is held online as follows on November 20, 2021. We will be waiting for your attendance. Further details are to be announced in September.

  • Date:2021.11.20. starting 09:30 AM (JST; UTC + 0900)
     (Timetable may change depending on the No. presenters)
  • AM:A symposium
  • PM:General presentation, Lightning-talk
  • Eligible participants:ASJ members
     (We are not planning to charge extra fees for attending the meeting so far)

  • We set presentation award for students on the general presentation section.
    Lightning-talk section is a newly-set five minutes talk for a short communication, a self-introduction associated with your research, call for advice on your research topics, and so on.


    Best regards,
    Koichi Tanaka, President of ASJ-meeting 2021


    Information