Bay of Bengal - Ocean Biodiversity Information System

Bay of Bengal

Statistics

Occurrence records	141,154
Species level	38,985
Species	6,371
Taxa	7,795
Datasets	159
Time range	1751 - 2023

Data quality

Dropped records

Dropped records	0
Not marine	593
No WoRMS match	2,441
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	403
No accepted name available	41,849

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	140,336	43
eventDate	22,403	0
maximumDepthInMeters	98,751	0
minimumDepthInMeters	99,507	1
occurrenceStatus	27,818	0
scientificName	222	0
scientificNameID	4,785	326

Spatial issues

Records on land	1,697
More than 20 km from shore	332
Depth exceeds bathymetric depth	1,626

Top datasets

Dataset	Records
UNESCO eDNA expedition in The Sundarbans (Bangladesh): February 2023 Published 2024-12-08	59,530
World Ocean Database 2009 Published 2020-11-17	37,531
Taxonomically comprehensive assessment of biodiversity of animal plankton throughout the world ocean Published	16,117
IndOBIS, Indian Ocean Node of OBIS Published	3,926
FishNet2 Marine Data Published 2023-12-19	1,769
IndOBIS Dataset (93630-103790) Published 2022-01-19	1,687
PANGAEA - Data from Climate: Long-range investigation, mapping and prediction (CLIMAP) Published 2025-03-20	1,210
MICROBIS Database (version 1) - European data Published	1,025
Malacology Collection at the Academy of Natural Sciences of Philadelphia Published 2025-03-18	884
IndOBIS Dataset (82001-84000) Published 2021-02-20	780

Distribution

Disclaimer: EEZ boundaries based on Marine Regions (no endorsement).

Records

Composition

detailed (class) simple

Top taxa

Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa

Scientific name	Records
Biota incertae sedis	38,023
Chordata Haeckel, 1874 Phylum Chordata	5,018
Animalia	4,760
Copepoda Milne Edwards, 1840 Phylum Arthropoda > Class Copepoda	3,116
Fiona Alder & Hancock, 1853 Phylum Mollusca > Class Gastropoda	1,870
Sagitta Quoy & Gaimard, 1827 Phylum Chaetognatha > Class Sagittoidea	1,573
Mammalia Linnaeus, 1758 Phylum Chordata > Class Mammalia	1,481
Oncaea Philippi, 1843 Phylum Arthropoda > Class Copepoda	1,466
Decapoda Latreille, 1802 Phylum Arthropoda > Class Malacostraca	1,278
Polychaeta Grube, 1850 Phylum Annelida > Class Polychaeta	1,206

Newest species

Scientific name	Records	Since
Aglaophenia tubulifera (Hincks, 1861) Phylum Cnidaria > Class Hydrozoa	20	2023
Cylindrotheca closterium (Ehrenberg) Reimann & J.C.Lewin, 1964 Phylum Heterokontophyta > Class Bacillariophyceae	86	2023
Phaeocystis globosa Scherffel, 1899 Phylum Haptophyta > Class Coccolithophyceae	282	2023
Neophocaena phocaenoides (Cuvier, 1829) VU Phylum Chordata > Class Mammalia	61	2023
Stolephorus dubiosus Wongratana, 1983 Phylum Chordata > Class Teleostei	259	2023
Johnius carouna (Cuvier, 1830) Phylum Chordata > Class Teleostei	21	2023
Oryzias javanicus (Bleeker, 1854) Phylum Chordata > Class Teleostei	28	2023
Acanthopagrus datnia (Hamilton, 1822) Phylum Chordata > Class Teleostei	34	2023
Nusuttodinium poecilochroum (J.Larsen) Y.Takano & T.Horiguchi, 2014 Phylum Myzozoa > Class Dinophyceae	55	2023
Planiliza planiceps (Valenciennes, 1836) Phylum Chordata > Class Teleostei	34	2023

Data providers

Name	Records
United Nations Educational, Scientific and Cultural Organization	59,530
Dept. of Fisheries Biology and Genetics, Sher-e-Bangla Agricultural University	59,530
UNESCO-IOC	59,530
UNESCO-WHC	59,530
U.S. Geological Survey HQ	37,537
National Oceanic and Atmospheric Administration, Washington	37,535
Intergovernmental Oceanographic Commission of UNESCO	22,345
Woods Hole Oceanographic Institution	17,142
Centre for Marine Living Resources & Ecology, Ministry of Earth Sciences, Government of India	13,801
CSIR - National Institute of Oceanography, Goa	4,004