Animalia > Chordata > Mammalia > Cetacea > Delphinidae > Lagenorhynchus > Lagenorhynchus obscurus
 

Lagenorhynchus obscurus (Dusky Dolphin)

Synonyms: Delphinus obscurus

Wikipedia Abstract

The dusky dolphin (Lagenorhynchus obscurus) is a dolphin found in coastal waters in the Southern Hemisphere. Its specific epithet is Latin for "dark" or "dim". It is very closely genetically related to the Pacific white-sided dolphin, but current scientific consensus holds they are distinct species. The dolphin's range is patchy, with major populations around South America, southwestern Africa, New Zealand, and various oceanic islands, with some sightings around southern Australia and Tasmania. The dusky dolphin prefers cool currents and inshore waters, but can also be found offshore. It feeds on a variety of fish and squid species and has flexible hunting tactics. The dusky dolphin is known for its remarkable acrobatics, having a number of aerial behaviours. The status of the dolphin is u
View Wikipedia Record: Lagenorhynchus obscurus

Infraspecies

Lagenorhynchus obscurus fitzroyi (South American Dusky Dolphin)
Lagenorhynchus obscurus obscurus (South African Dusky Dolphin)

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Not determined do to incomplete vulnerability data.
ED Score: 7.58

Attributes

Water Biome [1]  Coastal
Adult Weight [2]  281.091 lbs (127.50 kg)
Diet [3]  Carnivore (Invertebrates), Piscivore
Diet - Fish [3]  60 %
Diet - Invertibrates [3]  40 %
Forages - Marine [3]  100 %

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Palmer LTER Site Long Term Ecological Research   Antarctica    
Tierra Del Fuego National Park II 172861 Argentina

Prey / Diet

Prey / Diet Overlap

Consumers

Range Map

Distribution

Antarctica/Southern Ocean; East Pacific; Eastern Atlantic Ocean; Indo-West Pacific; Western Atlantic Ocean;

External References

Photos

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
2Felisa A. Smith, S. Kathleen Lyons, S. K. Morgan Ernest, Kate E. Jones, Dawn M. Kaufman, Tamar Dayan, Pablo A. Marquet, James H. Brown, and John P. Haskell. 2003. Body mass of late Quaternary mammals. Ecology 84:3403
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
4Diet of dusky dolphins, Lagenorhynchus obscurus, in waters off Patagonia, Argentina, Alonso, MK | Crespo, EA | Garcia, NA | Pedraza, SN | Coscarella, MA, Fishery Bulletin [Fish. Bull.]. Vol. 96, no. 2, pp. 366-374. Apr 1998
5PREY OCCURRENCE IN THE STOMACH CONTENTS OF FOUR SMALL CETACEAN SPECIES IN PERU, IGNACIO GARCÍA-GODOS, KOEN VAN WAEREBEEK, JULIO C. REYES, JOANNA ALFARO-SHIGUETO AND MILENA ARIAS-SCHREIBER, LAJAM 6(2): 171-183, December 2007
6Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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