![]() They are usually found on or at the edge of the continental shelf and slope in waters with temperatures less than 12 degrees Celsius and usually less than 330 feet. Where They LiveĪtlantic white-sided dolphins are endemic to the temperate and cooler subpolar waters of the North Atlantic Ocean. ![]() They have 29 to 40 pairs of small conical teeth in each jaw that are useful for grasping prey. This species has been observed cooperatively feeding on schools of fish at the water’s surface. These gregarious dolphins often engage in acrobatic activity, breaching and jumping at the surface.Ītlantic white-sided dolphins are capable of holding their breathe for at least four minutes and diving to feed on small schooling and bottom fish (e.g., cod, hake, herring, mackerel, smelt, and sand lance), crustaceans (e.g., shrimp), and cephalopods (e.g., squid). They are sometimes seen in mixed schools associated with smaller cetaceans like white-beaked dolphins, bottlenose dolphins, and pilot whales, and larger rorquals such as fin whales and humpback whales. ![]() Atlantic white-sided dolphins are fast swimming animals that are usually found in social groups that can range from five to 50 animals but have been occasionally seen in larger groups of up to several hundred or thousand animals. ![]()
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