Tuesday, August 9, 2022

Sperm Whale Morphology and Specification

Nation World News The sperm whale is a type of whale that is said to have the largest teeth among other species.

The sperm whale, whose scientific name is Physeter macrocephalus, has a wider habitat distribution than all marine mammal species.

Sperm whales are found in all deep oceans, from the equator to the edges of ice sheets in the Arctic and Antarctic.

Sperm whales are indeed a cosmopolitan species, said RR Sekar Mira CH SSI MAP SC, researcher in marine mammals at the National Research and Innovation Agency’s (BRIN) Center for Oceanography.

The intended cosmopolitan species, i.e. marine animals or mammals, can generally be found globally because of their wide distribution.

For this reason, the distribution of sperm whales themselves can also be found in many waters off Indonesia, including Banyuwangi.

Morphologically, this sperm whale is very distinctive when viewed from the proportions of its body, with a large head and pectoral fins or very short arms.

Again, this large marine mammal has a distinctive tail shape that is triangular.

They are the only living cetaceans with a single blowhole located asymmetrically on the left side of the crown of the head.

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Sperm whales are mostly dark brown, although some species have white spots on their abdomen.

Their heads are very large, which is about a third of their total body length.

The lower jaw of the sperm whale is narrow and the part of the jaw closest to the teeth is white.

The inside of the mouth is also bright white. There are 20 to 26 large teeth on each side of the mandible. Meanwhile, the upper jaw rarely penetrates the gums.

The fins of sperm whales are paddle-shaped and smaller in comparison to their body size.

In addition, the sperm whale also has a small dorsal fin that is short, thick, and usually round.

Compared to many other types of marine mammals, sperm whales have an interesting uniqueness, Meera said.

kindly odontocety Or other toothed marine mammals, the sperm whale, have a breathing pore.

“The distinctive thing is that the breath hole is not right in the middle, but leans more to the left (from the side of the whale’s body) with thicker edges, which from afar resemble a monkey’s lip,” said Mira. he said.

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With this specificity, said Meera, if surveys in the field are usually observed frequently on the surface when whales are breathing, and if researchers see ‘mongket lips’ or triangular fluxes, they can immediately believe it. are what type it is.

In addition, researchers can also assume that it is a sperm whale, simply by looking at its breath.

The breathing characteristic of sperm whales is usually sloping and short, with the position of the air hole tilted to the left.

“What’s unique is that the sperm whale sleeps in an upright position,” he said.

“keep doing this deep diver (deep sea divers),” he said.

Along with its uniqueness as a deep-sea diver, the sperm whale has a very important role in flux activity or seawater mixing, commonly referred to as ‘whale pump,

action whale pump It helps the sperm whale to mix nutrients into the water.

In addition, there is also a study which states that this sperm whale is unique because it contributes greatly to carbon sequestration.

Sperm whales can assist in the carbon sink process up to 16.67 tonnes C/person/year (Lavery et.al., 2010).

Nation World News Desk
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