Sea Life

Hawaiian Monk Seal Facts Habitat, Diet, Conservation, & More

The Hawaiian monk seal, which was once found in abundance, now faces extinction threats and has been officially declared the most endangered seal worldwide. Well, the lack of knowledge might be the reason people aren’t concerned about it.

Every animal on this planet serves a purpose, and their extinction would cause irreversible damage to the ecosystem. The Hawaiian monk seal is no different. This article is going to talk about Hawaiian monk seal facts, habitat, diet, conservation, and more. So, continue to read along with us as we explore the species in detail.

Everything you need to know about the Hawaiian Monk Seal

A native to the Hawaiian Islands, the Hawaiian monk is an endangered species of earless seal. The name refers to the fact that it lacks external ears and is unable to rotate its hind flippers under its body.

1: Scientific classification


2: Physical attributes

It’s interesting to note that Hawaiian monk seal pups are born black, but as they turn to adults, they tend to have a gray stomach and dark gray back. There are eight pairs of teeth in this species, and it has a small flat head with large black eyes. Molting occurs approximately once a year when the outermost layer of the animal is shed.

Physical Appearance of Hawaiian Monk Seal

Their unique natural markings, such as scarring and bleaching marks on their fur, make Hawaiian monk seals easy to identify. As a result of its slender body and torpedo-shaped hind flippers, the animal is one of the best swimmers in the animal kingdom.

3: Size

The length of the crown to the tail of these marine mammals ranges from two to four meters. Whereas females may grow a bit more in size than male species.

There are some Hawaiian monk seals that weigh as much as 600 pounds as adults, but they typically weigh 400 to 500 pounds.

4: Distribution and habitat

Around the Northwest Hawaiian Islands are where you can find the majority of Hawaiian monk seals. Often spending the majority of their time at sea, they are happiest in warm waters. Pupping generally takes place in shallow waters enclosed by sandy, protected beaches.

Habitat of Hawaiian Monk Seal

5: Diet

The Hawaiian monk seal is carnivorous and forages on a range of prey. Typically, they feed on various kinds of fish, but they will also hunt for squids and crustaceans.

Diet of Hawaiian Monk Seal

6: Lifespan

Hawaiian monk seal life expectancy, on average, is about 25-30 years. There are only a few who reaches over 30 years old. 

7: Reproduction

Male Hawaiian monk seals mate with multiple females in a polygynous sexual arrangement. By the time females are 5 or 6 years old, they are typically mature enough to reproduce. A pup is born on a beach after a gestation period of approximately 9 to 11 months. The pups are nursed for about six weeks after they are born.

8: Conservation status

At this time, the current population stands at just around 1200 in numbers, which is, as can be seen, significantly low. It clarifies why the species is classified as Endangered.

Conservation Status of Hawaiian Monk Seal

In order to survive, the Hawaiian monk seal population is threatened by a variety of factors that mainly include shark predation, climate change, habitat loss, food limitation, and above all, human activities involving fisheries and intentional killing. 

Hawaiian Monk Seal Facts

  • It is rare to see Hawaiian monk seals in colonies like other seals. They live mostly in solitary.
  • Its common name comes from the short, monk-like hairs on its head.
  • It is possible for Hawaii monk seals to hold their breath for as long as 20 minutes and dive more than 1,800 feet underwater.
  • It is rare for monk seals to become aggressive toward people but only when they feel threatened.


The Hawaiian Monk Seal is a species of seal that is native to the Hawaiian Islands. It is among the most endangered species of seal in the kingdom, with an estimated population of only around 1,200 animals. The main threats to the species are entanglement in fishing gear, habitat destruction, and human disturbance. Endangered Species Act lists the Hawaiian Monk Seal as critically endangered.

About the author

Ameer Hamza

Ameer Hamza is a well-versed content writer who has been a part of the writing industry for over 4 years and part of Talha Saif Enterprises as an Author for over a year. Through his love of writing, he has developed his own writing style. He enjoys writing articles and blog posts that provide readers with detailed and accurate information. The knowledge he gained from his education helped him tackle many different subjects without any problem. As an avid reader and technology geek, Ameer is always on the lookout for the latest innovations.