Specimen collection of Japanese mud shrimp (Upogebia major) in Japan

Study Extent

Japanese mud shrimps were collected from 8 mud flat sites in Japan from June 2020 to July 2022.

Sampling

Samples were collected during the period of September 2021 to July 2022 from five sites in eastern and northern Japan by brush and yabbie pump (Poseidon, Aichi, Japan) during low tide. The sampling sites are Lake Notoro and Lake Akkeshi, Hokkaido, Mangoku-ura, Lagoon (or Inlet), Miyagi, Matsukawa-ura, Lagoon, Fukushima and Sanbanze, Chiba. In addition, Japanese mud shrimp purchased during the period of June 2020 to September 2021 from the following areas at Mikawa Bay, Aichi, Kojima Bay, Okayama, and Arao, Kumamoto were stored in -25 ℃ immediately after collection.

Quality Control

Scientific names were checked against the World Register of Marine Species (WoRMS 2023). Geographical coordinates were validated using GSI maps provided by Geospatial Information Authority of Japan and Google Maps.

Method steps

1. Site selection.
2. Sampling site and date recorded.
3. Specimen collected and IDs assigned.

Japanese mud shrimp

1. Upogebia major
   rank: species

Japan