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The hourglass dolphin (Lagenorhynchus cruciger) is a small dolphin in the family Delphinidae that inhabits offshore Antarctic and sub-Antarctic waters. This is one of very few species to be considered completely Antarctic, as it exclusively lives in Antarctic waters. It is commonly seen from ships crossing ā¦ Meer weergeven
The hourglass dolphin is colored black on top and white on the belly, with white patches on the sides and sometimes variations of dark grey. For this reason, it was colloquially known by whalers as a "sea cow" ā¦ Meer weergeven
The range is circumpolar from close to the Antarctic pack ice to about 45°S. The northernmost confirmed sightings are 36°S in the South ā¦ Meer weergeven
Hourglass dolphins are often seen in smaller groups up to 10ā15 individuals, though groups of up to 100 have been observed. Meer weergeven
Sighting surveys were conducted in 1976ā77 and 1987ā88. Abundance was estimated to be 144,300 individuals, based on line ā¦ Meer weergeven
The hourglass dolphins is a completely Antarctic species and has been sighted in Arctic waters. Few have been seen near neighboring ā¦ Meer weergeven
The species was first named Delphinus cruciger by Quoy and Gaimard (1824) after their sighting in January 1820. Lesson and Garnot (1827) named another dolphin with ā¦ Meer weergeven
The hourglass dolphin is covered by the Memorandum of Understanding for the Conservation of Cetaceans and Their Habitats in ā¦ Meer weergeven
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OBIS-SEAMAP Species Profile - Lagenorhynchus cruciger
WoRMS - World Register of Marine Species
WEBLagenorhynchus cruciger (Quoy & Gaimard, 1824). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=383563 on ā¦
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