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The IUCN lists Commerson's dolphin as Least Concern in its Red List of Threatened Species. The proximity of the dolphin to the shore makes accidental killing in gillnets a common occurrence. The dolphin was killed for use as crab bait by some Argentinian and Chilean fishermen in the 1970s and 1980s, but this practice has since been curtailed. [2]
[2] According to a study in 1971, Peale's dolphin and the Cephalorhynchus species are the only dolphins that do not whistle (no acoustic data are available for the hourglass dolphin). Peale's dolphin also shares with several Cephalorhynchus species the possession of a distinct white "armpit" marking behind the pectoral fin.
2–2.5 t (2.2–2.8 short tons) Genus Ziphius – one species Common name Scientific name Status Population Distribution Size Picture Cuvier's beaked whale: Ziphius cavirostris G. Cuvier, 1823: LC: 100,000 [ag] 2–3 t (2.2–3.3 short tons) Subfamily Hyperoodontinae – three genera, 17 species Genus Hyperoodon – two species Common name
Pacific white-sided dolphin, Lagenorhynchus obliquidens LC; Dusky dolphin, Lagenorhynchus obscurus DD (ssp. fitzroyi - Fitzroy’s dolphin NE, ssp. obscurus - African dusky dolphin NE, ssp. posidonia - Chilean dusky dolphin NE, unnamed spp. - New Zealand dusky dolphin NE) Northern right whale dolphin, Lissodelphis borealis LC
The species is an average-sized oceanic dolphin. Females weigh up to 150 kg (330 lb) and males 200 kg (440 lb) with males reaching 2.5 m (8.2 ft) and females 2.3 m (7.5 ft) in length. Pacific white-sided dolphins usually tend to be larger than dusky dolphins. Females reach maturity at seven years.
The dusky dolphin (Lagenorhynchus obscurus) is a small oceanic dolphin found in coastal waters of the Southern Hemisphere. It is closely related to the Pacific white-sided dolphin . The dolphin's range is patchy, with major populations around South America , southwestern Africa , New Zealand , and various oceanic islands, with some sightings ...
The common dolphin (Delphinus delphis) is the most abundant cetacean in the world, with a global population of about six million. [3] Despite this fact and its vernacular name, the common dolphin is not thought of as the archetypal dolphin, with that distinction belonging to the bottlenose dolphin due to its popular appearances in aquaria and the media.
It includes all modern oceanic dolphins, porpoises, and their relatives, such as Lipotidae [2] and Iniidae. [ 3 ] [ 1 ] [ 4 ] [ 5 ] Short-beaked common dolphin (Delphinus delphis)