Common Bottlenose Dolphin
Common bottlenose dolphins are the most well known dolphins worldwide and are the largest species of the beaked dolphins.This Common Bottlenose Dolphin are found in moderately warm water of tropical oceans throughout the world.
Common Bottlenose Dolphins are most famous due to their appearance in TV shows and movies; marine parks, aquarium and show. The Common Bottlenose Dolphin can also seen on the coastal waters and river mouths and shallow bays.
The Common Bottlenose Dolphin name suggests about the dolphin has short and well distinctive bottle like beak.
The Common bottlenose Dolphin’s brain is larger than the Human brain and this dolphin is considered as one the most intelligent animals on the earth.
Body Features, Length, Weight, Color
The Common Bottlenose dolphins are large and can grow about 2-4 m (6-12 ft.) long and the weight ranges between 135-650 kg (300 – 1400 lbs.). The Males are larger and Heavier than the females.The body is conical and stout and sturdy. The color of the body varies from a light to slate grey on the dorsal side and pale to pinkish grey on the abdominal surface.
The Common bottlenose Dolphin has curved dorsal fin, triangular and broad tail and a pointed pectoral fins on each side. These features are the reasons for their fast speed in swimming about 22 mph. The Common bottlenose Dolphin has to come on the surface to breath yet it can dive up to 240 m. They have a thick layer on the skin to maintain their body heat and protects them from predators. Their skin is sensitive.A single blowhole is present on the dorsal surface of the head.
The eyes are located on the side of the head and can see around the whole body.Moreover, the eyes can be moved separately also.One eye can make independent movements than the other.
Dolphins Depth Chart
|Length||2-4 m (6-12 ft.)|
|Weight||135-650 kg (300 – 1400 lbs.)|
|Color||light to slate grey on the dorsal side and pale to pinkish grey on the abdominal surface.|
|Diet||eels, squid, shrimp, small schooling fishes and wide variety of fishes|
The Common bottlenose Dolphin is also named as Atlantic Bottlenose Dolphin and found in moderately warm tropical sea waters worldwide. The Common bottlenose Dolphins are found in the ocean waters away from coast and migrate from their place.
Some of them are commonly seen on the coastal areas of seas, beaches, river mouths, estuaries.
Diet & Behaviour
The Common bottlenose Dolphin shows complex social culture.The Common bottlenose Dolphins live in groups called pods of about 15 members, the group size varies from pairs of dolphins to over 100 or even occasionally over 1000 animals.The diet consists mainly of eels, squid, shrimp, small schooling fishes and wide variety of fishes.The beak is for holding or catching the prey and they swallow it as whole.
The Common bottlenose Dolphins communicate and navigate through echolocation.The dolphins make high clicks, high frequency sounds for navigation. The Common bottlenose Dolphin can hunt in the groups and they also take care of the young ones of the other member of the pods.
They leap out of the water and slash their broad tail on the water surface. The Common bottlenose Dolphin shows playful nature traveling in the pods.
The dolphin is considered as one the most intelligent animals on the earth.The dolphins are trained for military uses and for the show events and TV shows.
Like other dolphins, The common Bottlenose Dolphins give birth to the young ones. The Maturity age of these Dolphins is 8 to 10 yrs in female dolphin and 10 years in male. after 12 months development in womb the Dolphin babies are ready to born.
Once the baby dolphin comes out they start swimming on the surface for the process of the first breath. The calf stays with its mother for 3-6 years, nursing for the first 12-18 months and learning to hunt once weaned.
The average lifespan of the Common Bottlenose is about 40 to 50 years. According to the IUCN Red list, they are a species of least concern. However, they face a several threats, including pollution, virus outbreak, run-ins with fishing gear and boats, and hunting in Japan and Taiwan.
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