Please note that the content of newsletters may not be suitable for children. Commerson's dolphin is one of the smallest species of dolphins. Females reach breeding age at six to 9 years. It will bow-ride and swim behind fast-moving boats. The demarcation between areas of the pattern is also less clearly demarcated.[8]. These dolphins prefer shallow waters and also live in estuaries. Both Females and males reach sexual maturity between six and nine years of age. Although records of their average weight remain unknown it is assumed that adults … Appearance: Black head, dorsal fin, and fluke. [9], The IUCN lists Commerson's dolphin as Least Concern in its Red List of Threatened Species. 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. Commerson’s Dolphins are considered very friendly towards humans, playing in boat wakes and coming close to see what people are up to. OTL21-21 Mating occurs in September through February. Dorsal fin has a straight leading edge ending in a curve. Commerson’s Dolphins are considered very friendly towards humans, playing in boat wakes and coming close to see what people are up to. The fluke has a notch in the middle. Commersons’ Dolphins are prey for Leopard Seals, Sharks, and Orcas. Commerson's dolphins are found close to the shore in cold waters along open coasts, in sheltered fjords, bays, harbours and river mouths, and occasionally in the lower reaches of rivers. They like to bow-ride and swim upside down, spinning underwater. The proximity of the dolphin to the shore makes accidental killing in gillnets a common occurrence. There doesn’t appear to have been any sort of similar population survey for the Kerguelen Islands subspecies. They reside near the Kerguelen Islands in the southern part of the Indian Ocean, and prefer shallow waters. By supporting WDC, you can help Commerson's dolphins to live safe and free. This journey, JNS21-21 Their heads, faces, flippers, dorsal fin and tail are black. Dolphins are found in all the oceans of the world. They are fast, active swimmers and are often seen bow-riding and surfing on waves. They’re believed to live to about 10 years of age in the wild. In the past Commerson’s dolphins were hunted and used as crab bait by Chilean and Argentinean fishermen, although this practice is thought to be less prevalent now. The principal subspecies, C.c.commersonii, has sharply-delineated black-and-white patterning and is found around the tip of South America. [2], The Commerson's dolphin population of South America is listed on Appendix II[10] of the Convention on the Conservation of Migratory Species of Wild Animals (CMS). They will use echolocation to locate their prey, sometimes swimming upside down for better visual tracking. SeaWorld Aquatica is currently the only place in the United States where the black-and-white, quick moving Commerson’s dolphins, that are often seen swimming upside down, can be … A cruise to the Falkland Islands, South Georgia & the Antarctic Peninsula. 6. They are not fussy eaters and take advantage of seasonally available prey in their local area. Antarctic Peninsula, The detailed colouration of each dolphin is unique, making it possible to use this feature to identify individual dolphins. Commerson's dolphin spends most of its time in the shallow water and it can be often seen in the bays or near the harbors. Juveniles are gray-black and lighten into their adult white coloring of the anterior body and black head. Named after the French naturalist who discovered them, these cetaceans are among the smallest to populate the Antarctic seas, Region: Sterling Pub Co Inc. (1983), Learn how and when to remove this template message, Convention on the Conservation of Migratory Species of Wild Animals, "First record of a vagrant Commerson's dolphin, Cephalorhynchus commersonii, at the southern African continental shelf", "Abundance and Spatial Distribution of Commerson's Dolphin (Cephalorhynchus commersonii)", "Unusual Commerson's dolphins' time at SeaWorld's Aquatica coming to a close", "Living in an estuary: Commerson´s dolphin (Cephalorhynchus commersonii (Lacépède, 1804)), habitat use and behavioural pattern", "Convention on Migratory Species page on the Commerson's dolphin", "CAPTIVE COMMERSON'S DOLPHINS IN NORTH AMERICA", https://en.wikipedia.org/w/index.php?title=Commerson%27s_dolphin&oldid=984024417, Southeastern South American coastal fauna, Taxa named by Bernard Germain de Lacépède, Articles lacking in-text citations from February 2008, Articles with unsourced statements from December 2018, Articles with unsourced statements from May 2016, Creative Commons Attribution-ShareAlike License, This page was last edited on 17 October 2020, at 18:20. 7. The Kerguelen subspecies is restricted in range and is believed to be very small in number and relatively vulnerable to any human threats. The dorsal fin has a long, straight leading edge which ends in a curved tip. Around the Falklands (Malvinas) and Kerguelen Islands, as well as off mainland Argentina, Commerson’s dolphins are have been seen swimming in or at the edges of kelp forests. This journey, OTL24-21 Some live mainly along coastlines, but others live far out at sea. While SeaWorld originally hoped to make the playful dolphins their new stars, it was a disaster from the beginning. Please read our privacy policy for information on how we handle your data. Nobody knows how this little dolphin ended up so far from home. To receive emails about our campaigns and how you can support them, please enter your email address below and press the ‘subscribe’ button. Commerson’s dolphins are named after French naturalist Dr Philibert Commerson who first discovered them in the Strait of Magellan in Chile in 1767. Commerson’s dolphins show typical dolphin curiosity towards humans and will readily approach boats to bowride and wake ride. The Kerguelen subspecies is currently listed as Endangered in the regional IUCN Red List for French Southern Territories. Mating occurs in the spring and summer and calving occurs after a gestation period of 11 months during the spring and summer. Adults are thought to eat about 10% of their body weight every day. Commerson’s are social dolphins and can often be seen swimming with other species such as Peale’s dolphins, Burmeister’s porpoise Chilean dolphins. Where do Commerson's dolphins live? They can get pregnant on average every two to four years once they're mature, although some species can have 5-7 years between births. Listen to the live local call of every Dolphins game all season long. When grouped into pods they travel in numbers ranging anywhere from two to a hundred individuals. "It was like the standard of what not to do with Commerson's dolphins," Fischbeck said. 1. Run, bake, walk, cycle… what could you do for whales and dolphins? They prefer water less than 200m deep. Few places compare to South Georgia in terms of exotic wildlife and jaw-dropping scenery, and the Falklands are no different. Names from … It is listed on Appendix II[10] as it has an unfavourable conservation status or would benefit significantly from international co-operation organised by tailored agreements. Visit some of the most beautiful arrays of wildlife on Earth. Commerson’s dolphins are small, chubby dolphins with cone-shaped heads and no beak. This stocky creature is one of the smallest of all cetaceans, growing to around 1.5 m (5 ft).

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