Search here..

Sunday 20 September 2020

Dolphin Diversity of Indian Ocean


Sri Lanka is a prime destination for dolphin watching with a protected area in the Indian Ocean. Dolphin fishing has always been an unforgettable experience on the north-western and southern coasts of Sri Lanka.

Alankuda Beach in Kalpitiya is a great start if you are interested in actively capturing these beautiful sea creatures. Mirissa and off Dondra along the southern coast of Sri Lanka are also a popular destination for dolphins.

Large dolphin spikes are always seen during the migration season and the best months to see these blessed creatures are from November to April in the south as well as in Kalpitiya. A several dolphin species are perceivable in that period. Meanwhile the following species are abundant.

                                                        Tursiops sp. (Bottlenose Dolphin)


The bottle nose dolphin is one of the most common and well-known members of the dolphin family. Bottle nose dolphins usually live in groups of 10 to 30 pods, and group sizes can vary from a single dolphin to more than 1,000. These sea creatures can communicate using sound and can detect surrounding shapes and become prey.

Stenella attenuata (Spotted dolphins)

Found in all temperate and tropical oceans, spotted dolphins (Stenella attenuata) are threatened by the killing of millions of individual dolphins during tuna fishing. The total world population of spotted dolphins is over 2 million, making it the second most abundant cetacean after the bottle nose dolphin.

                                                 Stenella cochlear Lalba (Striped Dolphins)


Striped dolphins (Stenella cochlear Lolba) also belong to the dolphin family, found in temperate and tropical waters all over the world. This species is small in size compared to other dolphins, has a different body color and is easily recognizable at sea. Striped dolphins feed on small pelagic fish and squid.

Stenella longirostris (Spinner Dolphin)


Spinner dolphin (Stenella longirost‍ris), a small species of dolphin found in coastal tropics around the world, is famous for its acrobatic displays. This beautiful sea creature is also known as the long dumb dolphin, and the average adult is 129 - 235 cm. Spinning dolphins have more geographical variation and pigmentation than other cetaceans.

Indian Ocean as well as the Atlantic Ocean. These dolphins can grow up to 2.75 meters and weigh about 200 kilograms during their growing season. They are fast swimmers and can be found in tightly packed teams of 100 - 1000. When they swim large, they cut the water large, displaying it dramatically.


Grampus griseus (Risso's Dolphin)


The only species of the genus Grampus, the Risso’s dolphin has a relatively large front body and fins. The average length of this type is 10 feet, but there are some that can grow up to 14 feet. Risso's dolphins weigh between 300 and 500 kilograms, making it one of the largest dolphin species. They are found in temperate and tropical waters around the world, especially in the Indian, Pacific, and Atlantic Oceans.

Author: Sachini Karunarathne

source: https://lakpura.com/dolphins




Share:

0 comments:

Post a Comment

Contact Form

Name

Email *

Message *

Featured post

Mic On 2020

       ‘Mic On 2020’ - An Intra faculty, song and instrumental cover contest, was successfully organized by the Aquatic students’ Associatio...