Animalia > Chordata > Mammalia > Cetacea > Delphinidae > Orcaella > Orcaella brevirostris

Orcaella brevirostris (Irrawady Dolphin; Irrawaddy Dolphin)

Synonyms:

Wikipedia Abstract

The Irrawaddy dolphin (Orcaella brevirostris) is a euryhaline species of oceanic dolphin found in discontinuous subpopulations near sea coasts and in estuaries and rivers in parts of the Bay of Bengal and Southeast Asia.
View Wikipedia Record: Orcaella brevirostris

Endangered Species

Status: Endangered
View IUCN Record: Orcaella brevirostris

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
43
 Unique & Vulnerable (100)
ED Score: 7.44
EDGE Score: 3.52
Learn more at EDGE of Existence programme

Attributes

Gestation [2]  1 year 2 months
Litter Size [2]  1
Maximum Longevity [2]  30 years
Migration [1]  Potamodromous
Snout to Vent Length [4]  8.626 feet (263 cm)
Water Biome [1]  Rivers and Streams, Coastal
Weaning [2]  1 year 3 months
Adult Weight [2]  418.88 lbs (190.00 kg)
Birth Weight [2]  27.117 lbs (12.30 kg)
Diet [3]  Carnivore (Invertebrates), Piscivore
Diet - Fish [3]  60 %
Diet - Invertibrates [3]  40 %
Forages - Marine [3]  100 %
Female Maturity [2]  5 years
Male Maturity [2]  5 years

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Shoalwater and Corio Bays Area Ramsar Site   Queensland, Australia
Sunderban National Park 261613 India  
Tanjung Puting National Park II 987160 Kalimantan, Indonesia  

Prey / Diet

Belodontichthys dinema (Catfish)[5]
Henicorhynchus lobatus[5]

Consumers

Parasitized by 
Amphimerus lancea[6]

Range Map

External References

Citations

Attributes / relations provided by
♦ 1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 4Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 5Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0