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Dolphins are marine mammals closely related to whales and porpoises. There are almost forty species of dolphin in 17 genera. They vary in size from 1.2 m (4 ft) and 40 kg (90 lb) (Maui's dolphin), up to 9.5 m (30 ft) and 10 tonnes (9.8 long tons; 11 short tons) (the orca or killer whale). They are found worldwide, mostly in the shallower seas of the continental shelves, and are carnivores, eating mostly fish and squid. The family Delphinidae is the largest in the Cetacean order, and evolved relatively recently, about ten million years ago, during the Miocene. Dolphins are among the most intelligent animals, and their often friendly appearance and seemingly playful attitude have made them popular in human culture.
Hospital
Yellow diving helmet with camera and light for special military operations
Dolphin swim in Walvis Bay, Namibia
a cute dolphins during a speech at the dolphinarium, Batumi, Georgia.
An unrecognisable man diving into the sea at Polperro, Cornwall. His head is in the water while his body is out of the water, about to be submerged.
A man stands on two dolphins in a pool.
Close-up of dolphin swimming in sea, Bali, Indonesia.
Radiologist at the hospital taking an x-ray for a senior patient - healthcare and medicine
Bottlenose Dolphin under the water.
3d rendering mri scanner machine blueprint with scale on blue background
Sea lion. Alaska wildlife reserve.
Design drawings of nonexistent piston-rod with clipping path .
Dental Examination Equipment Close-up
Seal in Lakes Entrance in Australia
In the serene tranquility of the Dolomites in Italy, a young tourist woman finds herself immersed in a moment of pure relaxation. She swims gracefully in a large infinity pool, the crystal-clear water offering a refreshing escape from the summer heat. Through the glass bottom of the pool, the majestic landscape of the Dolomites unfolds beneath her, a breathtaking vista of rugged mountains and lush valleys. Above, the sky is a canvas of wispy clouds against a backdrop of vibrant blue, basking in the warmth of the sun's rays. In this idyllic setting, surrounded by the timeless beauty of nature, the woman finds solace and serenity, cherishing every blissful moment of her alpine getaway.
Male diver to scuba diving
Middle aged Athletes handsome men scuba divers ready for scuba diving or snorkeling jumping in Beautiful tropical blue sea, coral reef in the background. Water sports.
Ayvalyk, TURKEY - September 29, 2022: Black outboard motors Mercury.
He has a light illuminating the way ahead
Medical tools for airway management: endotracheal intubation kit, laryngoscope, masks, and anesthetics in a hospital setting
A dolphin at the surface of the water looking at the camera
Bottlenose dolphin fish in dolphinarium.
Vertical photo of a doctor with uniform standing inside a full equiped ambulance
Machine that examination of the eyes
Place: Dolphin Research Center, Grassy Key, Florida, U.S.A. Date Taken: 5-11-10.
Empty chemistry laboratory with tools and equipment
Dolphin at Dolphin Research Center, Grassy Key, FL
Dolphin in the Red Sea
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