Bay of Bengal - Ocean Biodiversity Information System

Bay of Bengal

Statistics

Occurrence records	164,180
Species level	91,956
Species	14,001
Taxa	15,829
Datasets	205
Time range	1706 - 2021

Data quality

Dropped records

Dropped records	0
Not marine	1,126
No WoRMS match	7,706
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	679
No accepted name available	6,025

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	160,645	163
eventDate	45,622	0
maximumDepthInMeters	100,894	1
minimumDepthInMeters	98,930	4
occurrenceStatus	63,830	0
scientificName	506	0
scientificNameID	14,225	777

Spatial issues

Records on land	9,109
More than 20 km from shore	133
Depth exceeds bathymetric depth	2,449

Top datasets

Dataset	Records
World Ocean Database 2009 Published 2020-11-17	52,587
Taxonomically comprehensive assessment of biodiversity of animal plankton throughout the world ocean Published	24,974
IndOBIS, Indian Ocean Node of OBIS Published	14,414
FishNet2 Marine Data Published 2023-12-19	5,186
IndOBIS Dataset (93630-103790) Published 2022-01-19	3,320
Malacology Collection at the Academy of Natural Sciences of Philadelphia Published 2025-03-18	3,099
PANGAEA - Data from the Ocean Drilling Program (ODP) Published 2025-03-20	2,889
Ecoscope Observation Database Published 2025-03-20	2,085
Fish specimens Published	2,071
IndOBIS Dataset (84001-86000) Published 2021-02-19	1,945

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
Copepoda Milne Edwards, 1840 Phylum Arthropoda > Class Copepoda	4,236
Fiona Alder & Hancock, 1853 Phylum Mollusca > Class Gastropoda	2,500
Oncaea Philippi, 1843 Phylum Arthropoda > Class Copepoda	1,996
Sagitta Quoy & Gaimard, 1827 Phylum Chaetognatha > Class Sagittoidea	1,858
Decapoda Latreille, 1802 Phylum Arthropoda > Class Malacostraca	1,844
Pisces Phylum Chordata	1,734
Polychaeta Grube, 1850 Phylum Annelida > Class Polychaeta	1,482
Oikopleura Mertens, 1830 Phylum Chordata > Class Appendicularia	1,426
Ostracoda Latreille, 1802 Phylum Arthropoda > Class Ostracoda	1,351
Gastropoda Cuvier, 1795 Phylum Mollusca > Class Gastropoda	1,261

Newest species

Scientific name	Records	Since
Quadrivisio chilikensis Bhoi, Myers & Patro in Bhoi, Myers, Tarafdar, Smita, Jena & Patro, 2023 Phylum Arthropoda > Class Malacostraca	1	2021
Sigalion mathildae Audouin & Milne Edwards, 1832 Phylum Annelida > Class Polychaeta	1	2020
Pholoe glabra Hartman, 1961 Phylum Annelida > Class Polychaeta	2	2020
Parilia alcocki Wood-Mason in Wood-Mason & Alcock, 1891 Phylum Arthropoda > Class Malacostraca	4	2020
Calidris ferruginea (Pontoppidan, 1763) VU Phylum Chordata > Class Aves	5	2019
Amphimedon viridis Duchassaing & Michelotti, 1864 Phylum Porifera > Class Demospongiae	11	2019
Iotrochota purpurea (Bowerbank, 1875) Phylum Porifera > Class Demospongiae	13	2019
Terpios hoshinota Rützler & Muzik, 1993 Phylum Porifera > Class Demospongiae	11	2019
Lupocyclus tugelae Barnard, 1950 Phylum Arthropoda > Class Malacostraca	5	2019
Spheciospongia incrustans Carballo, Cruz-Barraza & Gómez, 2004 Phylum Porifera > Class Demospongiae	8	2019

Data providers

Name	Records
U.S. Geological Survey HQ	52,816
National Oceanic and Atmospheric Administration, Washington	52,665
Intergovernmental Oceanographic Commission of UNESCO	46,279
Centre for Marine Living Resources & Ecology, Ministry of Earth Sciences, Government of India	35,932
Woods Hole Oceanographic Institution	25,999
CSIR - National Institute of Oceanography, Goa	14,841
National Chemical Laboratory; Information Division	14,414
Vlaams Instituut voor de Zee	8,886
Tulane University Biodiversity Research Institute	5,186
Royal Ontario Museum	3,739