BISMaL
Biological Information System for Marine Life
NEWS
- 2026/08/27
- The dataset of "Sea cucumber occurrence records from surveys of coral reef environments across 17 islands in the Ryukyu Archipelago, Japan (2022–2026)" has been published.
This dataset contains occurrence records of Holothuroidea obtained during field surveys conducted from 2022 to 2026.
- 2026/07/09
- The dataset of "Coastal Ecosystem Monitoring at Chijiri-hama on the Tsugaru Strait, Shimokita Peninsula in 2026" has been published.
This dataset is the result of a citizen science coastal monitoring event held at Chijiri-hama in Mutsu City, Aomori Prefecture.
- 2026/06/24
- Datasets for Japan's easternmost island, Minamitorishima, and southernmost island, Okinotorishima, are now available on BISMaL. Okinotorishima and Minamitorishima are islands that have recently attracted attention from the perspectives of marine resources and the environmental importance.
Minamitorishima dataset of biological occurrence records based on a literature survey: Database of Okinotorishima and Minamitorishima—Reference Section
Okinotorishima dataset of biological occurrence records based on a literature survey: Database of Okinotorishima and Minamitorishima—Reference Section
- 2026/06/03
- New data (181 records) have been added to the following dataset:
Okinawa Turtle Archive: An archive project documenting sea turtle identification and behavior through drone footage
This dataset includes occurrence records of sea turtles, collected from drone footage in the coastal waters of Maeda, Onna Village from March 2025 to March 2026.
The drone footage is available on "Okinawa Turtle Archive" (https://umigame.ogaworks.com/).
- 2026/05/18
- Two new datasets have been published on BISMaL:
Marine coastal animals data in the coastal area of Yokohama City
Marine plankton data in the coastal area of Yokohama City
These datasets are generated from the publications of "Yokohama's rivers and sea creatures (in Japanese)" by the Yokohama Environmental Science Research Institute. Please refer to the links for details.
BISMaL data at a glance
Number of registered taxon on BISMaL
Last Updated:2026/08/04
Total number of registered taxon:42,396
taxon with occurrence record(s):17,513
taxon with no occurrence record(s):24,883
Number of occurrences records in kingdom Animalia
Last Updated:2026/07/10
Number of occurrence records:4,160,371
Last Updated:2026/04/01
A total of 4,160,371 records were published in BISMaL as of April 1, 2026.
In FY2025, 11 new datasets were added to BISMaL:
- A literature review of the marine annelids of the Ryukyu Islands: still at the "early-bird" stage
- A photographically-vouchered global citizen science dataset of sea slugs (Mollusca: Heterobranchia) from the SEASLUG.WORLD platform since 2015
- Ibaraki Nature Museum, Algae collection
- Ibaraki Nature Museum, Fish collection
- Ibaraki Nature Museum, Mollusk collection
- Marine fish data in the coastal area of Yokohama City（横浜市沿岸域の魚類データ）
- Marine seagrasses and seaweeds data in the coastal area of Yokohama City（横浜市沿岸域の海草及び海藻データ）
- Mitrella martensi specimens collected in Akkeshi-ko estuary
- Observation records of heterobranch sea slugs in southeastern Osaka Bay
- Okinawa Turtle Archive: An archive project documenting sea turtle identification and behavior through drone footage
- Simultaneous surveys of littoral organisms in Osaka Bay in 2025
In FY2025, 11 new datasets were added to BISMaL:
- A literature review of the marine annelids of the Ryukyu Islands: still at the "early-bird" stage
- A photographically-vouchered global citizen science dataset of sea slugs (Mollusca: Heterobranchia) from the SEASLUG.WORLD platform since 2015
- Ibaraki Nature Museum, Algae collection
- Ibaraki Nature Museum, Fish collection
- Ibaraki Nature Museum, Mollusk collection
- Marine fish data in the coastal area of Yokohama City（横浜市沿岸域の魚類データ）
- Marine seagrasses and seaweeds data in the coastal area of Yokohama City（横浜市沿岸域の海草及び海藻データ）
- Mitrella martensi specimens collected in Akkeshi-ko estuary
- Observation records of heterobranch sea slugs in southeastern Osaka Bay
- Okinawa Turtle Archive: An archive project documenting sea turtle identification and behavior through drone footage
- Simultaneous surveys of littoral organisms in Osaka Bay in 2025