What's New!

  • March 31th, 2023: Ladies and gentlemen.
    The 38th International Prize of Biology Commemorative Symposium “Fish Biology: Ecology, Evolution and Development” (held on December 17-18, 2022) [On-demand lecture video distribution] site has been created.
    This symposium is a recording and distribution of lectures from an international symposium held on December 17-18, 2022 to commemorate Professor Emeritus Katsumi Tsukamoto’s International Prize of Biology.
    Renowned researchers and young researchers from Japan and abroad give lectures on their respective research topics. Please enjoy it from the following URL.
  • February 3rd, 2023: Dear all.
    We regret to inform you that we have changed the contact email address for Medaka Bioresource project (NBRP Medaka) to the following.

    We have been using the bioresource.jp domain since we acquired it -
    Please use nbrp.medaka[at]bioresource.jp as an official contact address.
  • December 19th, 2022: Added links to "Introduction to Medaka (NBRP Online Forum 2020)" Video in Medaka tools on the top page and Featured Link in the menu.
  • December 16th, 2022: Commemorative Symposium for the 38th International Prize for Biology
    "Biology of Fishes: Ecology, Evolution and Development"
    Dec. 17th-18th, 2022
    Okazaki Conference Center (Aichi, Japan)
    Hybrid Meeting
  • October 19th, 2021: 3D atlas and single cell transcriptome data of medaka pituitary have been published from Prof. Weltzien group in Norwegian University of Life Sciences, Oslo Norway. Dr. FONTAINE kindly provided us with this important information for the medaka community.
    Characterization of hormone-producing cell types in the teleost pituitary gland using single-cell RNA-seq K Siddique, E Ager-Wick, R Fontaine, FA Weltzien, CV Henkel - 2021 Scientific data
    3D Atlas of the Pituitary Gland of the Model Fish Medaka (Oryzias latipes) M R Royan, K Siddique, G Csucs, M A. Puchades, R Nourizadeh-Lillabadi, J G Bjaalie, C V. Henkel, F-A Weltzien and R Fontaine - 2021 Frontiers in Endocrinology
NBRP Medaka

Please refer in your paper to NBRP Medaka resource, which you received from us. The example often used is as follows:

・ Acknowledgements
We are grateful to NBRP Medaka (https://shigen.nig.ac.jp/medaka/) for providing OK-Cab (Strain ID: MT830), BAC clone (ola1-001A01), Fosmid (GOLWFno001_a01) and Hatching Enzyme.
・ Materials and Methods
OK-Cab (Strain ID: MT830) was supplied by NBRP Medaka (https://shigen.nig.ac.jp/medaka/).

Medaka Resources


StrainsHatching rate/Survival rate

Medaka cDNA/BAC/Fosmid

  • Library: 33
  • Total Entry: 730259
  • Library: 1
  • Total Entry: 110017
  • Library: 2
  • Total Entry: 453784

Plasmid for Knock-in Experiments

Medaka Tools

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