Immaku.com – Here is the Mahakam Dolphin Facts. Hello friends, how are you today? I hope you are always healthy. Come back with us to discuss a variety of interesting information from the country and abroad.
On this occasion, we will discuss about the dolphins in Mahakam dolphins. Dolphins do not only live in the sea or in salt water. In fact, there are dolphins that live in fresh water, you know.
One of them is the Mahakam dolphin (Orcaella brevirostris) that can be found in the waters of the Mahakam river, the largest river in the province of East Kalimantan and flowing into the Makassar Strait.
However, the Mahakam dolphin is now endangered. In fact, it is predicted that the current number is only 80! Let’s find out interesting facts about Mahakam dolphins below!
Mahakam dolphins are native to the region
- As the name suggests, this dolphin is found in the waters of the Mahakam river
The habitat of the Mahakam dolphin can be easily guessed from its name. These freshwater dolphins live in the waters of the Mahakam river, the largest river in East Kalimantan province and flows into the Makassar Strait.
In Indonesia, these dolphins can be found at river mouths in Kalimantan, although their appearance is decreasing.
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Not only in the Mahakam River, these dolphins can be found in Jempang Lake, Kutai Barat Regency, Semayang, Kutai Kartanegara Regency and Melintang Lake, Kutai Kartanegara Regency. So, if you want to see Mahakam dolphins, you can go directly to that place, yes.
- Also found in Cambodia and Myanmar
Abroad, the Mahakam dolphin is also known as the Irrawaddy dolphin. The spread of these dolphins is not only in Indonesia, but also in neighboring countries such as Cambodia and Myanmar.
These dolphins can be found in coastal areas of South and Southeast Asia. Mainly, in the Ayeyarwady River (Myanmar) and the Mekong River in Cambodia and Laos.
The closest of the Mahakam dolphins is the Australian dolphin (Orcaella heinsohni). This dolphin is found on the northern coast of Australia.
The difference is that the Mahakam dolphin has two colors, while the Australian dolphin has three skin colors. In addition, the shape of the skull and fins of these two species are also different.
- These are the physical characteristics of Mahakam dolphins!
You can distinguish Mahakam dolphins from other dolphin species by identifying their physical characteristics. The shape of the head of the Mahakam dolphin is round like a light bulb and its eyes are small.
Researchers say this is a form of adaptation to muddy water. The color is gray, varying from young to old.
The body is plain without any distinctive pattern, while the dorsal fin is small and rounded behind the middle. The pectoral fin is broad and rounded, and the forehead is rounded and does not have a snout like other dolphins.
Its length is from 1.5 to 2.8 meters and its weight is between 114 kg and 133 kg, according to Animal Diversity.
Continue Reading Here are the Mahakam Dolphin Facts
- These fish-eating dolphins can live up to 28 years
Mahakam dolphins are carnivores that eat fish, molluscs and crustaceans. This animal has a long lifespan, which can live up to 28 years. Some even live to be 30 years old.
The most common cause of death of Mahakam dolphins is entanglement in nets. When trapped, it will run out of oxygen and die on the spot.
Involved dolphins experience asphyxia (lack of oxygen). In fact, dolphins usually come to the surface of the water to get oxygen.
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- A newborn Mahakam hedgehog weighs 12.3 kg
The breeding season for Mahakam dolphins is between December and June. Male dolphins will compete with other males for females. Then, the female dolphin will experience a pregnancy period of between 9-14 months.
The number of children born is only one in each period. A little, huh? In fact, pregnancy only happens once every 3 years.
The reproductive organs of the Mahakam dolphin will mature at the age of 3-6 years. At birth, the puppy was 96 cm long and weighed 12.3 kg.
In the first seven months, puppies will experience a 59 percent increase in length and up to 266 percent in weight, according to the Animal Diversity page.
- This is a species that lives in groups
Like other dolphin species, Mahakam dolphins also live in groups. One group contains between 3-6 dolphins.
Although they live together, these dolphins also interact with other groups. Like other dolphins, Mahakam dolphins are also intelligent animals.
Because we live in groups, we often see many dolphins swimming at the same time. It is used as a tourism potential to attract tourists.
While in Samarinda, we can travel by available tourist boat. If you are lucky, you can see dolphins on the surface of the river
Thus we discuss the following facts about the terrifying Mahakam dolphin. I hope this review was useful for you all, thank you
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