A bottlenose dolphin's skin color is gray to dark gray on its back, fading to white on its lower jaw and belly. This coloration, a type of camouflage known as countershading, may help conceal a dolphin from predators and prey.When viewed from above, a dolphin's dark back surface blends with the dark depths.
Dolphins form strong bonds with other dolphins, and if one dolphin become injured, the others help it to reach the surface. Most dolphins stay in groups of up to 12 dolphins, but many groups often come together in the ocean wild, at which time, dolphins may exit one group and join another.
What Are the Characteristics of Dolphins? Dolphins are members of the Odontoceti, a suborder of cetaceans - that is, all whales, dolphins and porpoises - that means "toothed whales." There are approximately 40 species of dolphins and all are carnivores, primarily subsisting on fish and cephalopods.
All dolphin species have a similar physical appearance. They have elongated snouts and rounded heads that have no distinct separation from the rest of their bodies. The main part of their bodies taper down into their tails -- known as flukes -- at the end. Dorsal fins and pectoral flippers are also present.
The Commerson's dolphin's color pattern also gives us a way to distinguish males and females. The male dolphin has an oval patch on its underside, while the female's patch is less regular and, in some cases, more V-shaped. Kerguelen dolphins are black, white, and gray. Pectoral Flippers. A Commerson's dolphin's forelimbs are adapted for swimming.
The name dolphin is also given to an unrelated species: a large fish of open tropical seas. The dolphin fish (Coryphaena hippurus) is also called the mahimahi, coryphene, or dorado. It is bright blue and green with irregular, gold-tinted patches on the sides.
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Basic Facts About Dolphins. Dolphins are highly intelligent marine mammals and are part of the family of toothed whales that includes orcas and pilot whales. They are found worldwide, mostly in shallow seas of the continental shelves, and are carnivores, mostly eating fish and squid. Dolphin coloration varies, but they are generally gray in ...
Physical characteristics. Both common dolphin species are medium-sized; adults range between 1.9 and 2.5 m (6.2 and 8.2 ft) long, and can weigh between 80–235 kg (176–518 lb), although the range between 80–150 kg (180–330 lb) is more common. Males are generally longer and heavier. The color pattern on the body is unusual.
Dolphin Physical Characteristics. The overall anatomy of the dolphin is designed to survive in the water. All dolphins have similar anatomical and morphological characteristics; this means that all species have some features that do not differ widely between species.