8 Fascinating Facts About Sea Turtles

6 mins read
facts about sea turtle

If you’re someone who is curious to know about some amazing facts about sea turtles, then this article is especially for you.

Sea Turtle (marine turtles) belong to the order Testudines, and the suborder, Cryptodira. They are one of the most harmless and fascinating creatures of the marine world.

Turtles are known mostly for their hard shells and their important role in maintaining the ecosystem, and their obsession with jellyfish! Well, we can assure you that jellyfish are not a surprising factor about sea turtles. There are so many surprising facts about sea turtles that will leave you startled.

A. Facts about sea turtles

Did you know that temperature is the sex-determining factor for turtles? NO?!

I got a few more surprising facts for you!!

1. They don’t have teeth

facts about sea turtles
By Music of the sun/Flickr.Copyright 2021

Sea turtles do not have teeth – one of the unknown facts about sea turtles!

They use their powerful jaws and sharp beaks to crush and grind the food, which makes it easier for them to digest! Their jaws are so powerful, that although they aren’t known to be the aggressive kind, they can bite people if they feel endangered and that may even break bones.

2. They are herbivores

Sea turtles, unlike other turtles, are herbivores. They thrive on sea grasses and algae, sea mosses, etc. For this reason, they are also known as land mowers of the sea.

This very diet is what gives the green sea turtles the greenish fat!! Fascinating surprising facts about sea turtles, isn’t it?

3. They sleep for 5-7 hours underwater

Like almost every animal, sea turtles too, need rest. Sea turtles sleep for 5-7 hours, and that too, underwater.

facts about sea turtles
By Kahunapule Michael Johnson/Flickr. Copyright 2021

Most Sea turtles spend most of their time underwater when resting, but if the energy is used, or they are stressed, then they cannot stay underwater for long periods.

Of all the facts about sea turtles, this one is definitely a mesmerizing one. Sea turtles are often found resting on the sand, above the water, but that is mostly during the nesting period.

4. They lay over 110 eggs

Sea turtles can lay over 110 eggs at a time! The nests where they lay their own eggs are known as ‘clutch’ and they nest over 2 – 6 clutches per season, on average!!

The smallest clutch has approximately 50 eggs and the biggest ones, i.e. the one by hawksbill turtles, have over 200 eggs. The turtles are known to lay eggs on nesting beaches and climate changes can affect the gender of the turtles – one of the surprising facts about sea turtles, isn’t it?

5. Leatherback sea turtle weighs up to 998 kgs

facts about sea turtles
By Alastair Rae/Flickr.Copyright 2021

Yes!! Leatherback turtles weigh up to 998 kgs and they’re 4.5 – 5.5 feet long !! They’re the only sea turtles to not have a hard shell but a thick leathery one!

6. The initial years of a sea turtle are missing

After the eggs hatch and the sea turtle hatchlings are born, they climb out of their clutches and run straight towards the waters. In the process, predators trap them and only the fittest one survives. One of the intriguing facts about sea turtles, isn’t it?

This causes them to go missing for almost a decade and it is only after 12 years that they come in contact with the other turtles.

B. How long do sea turtles live

Turtles are one of the longest living members among the reptiles. A turtle can live for 50 – 200 years. The small turtles live as long as 50 years or even as long as a human lifespan. However, the larger ones are known to survive for over a century, sometimes even for over 180 years.

The rarest sea turtle, i.e. the Kemp’s Ridley, live for as long as 80 years. However, nowadays, Kemp’s Ridley isn’t seen as such, since their numbers have drastically changed in the past years, making them critically endangered.

Can turtles live up to 500 years?

The estimated life span of a sea turtle or even the green turtles are 40-100 years. Sometimes, sea turtles can also live up to 150+ years.

The age of a sea turtle cannot be exactly determined, but it is often believed that in the rarest of the rare cases, a sea turtle can live up to 500 years. However, nowadays, with the existing threats and many dangers of rising temperatures of the ocean, the lifespan of an average sea turtle generally ranges between 50-80 years.

C. Facts about the sea turtle family (sea turtle species)

Now that you know so much about sea turtles, their lifespan, and even some surprising facts about them, let us get started with knowing their family.

The sea turtle family has seven species. But, the WWF focuses mainly on 5 of the seven species of sea turtles, found in oceans all around the world.

1. Green sea turtles

The Green Sea Turtles are turtles that are uncompromisingly herbivorous and they thrive mostly on sea grasses, mosses, and algae.

As mentioned earlier, their diet gives them the green color and eventually their name! Green turtles generally live for 70 years and they migrate enormous distances all throughout their lives.

These turtles are generally found in tropical and sub-tropical waters, nesting beaches, and even on coral reefs.

facts about sea turtles
By Snorkelingdives.com/Flickr.Copyright 2021

2. Hawksbill Turtles

Hawksbill turtles are one of the most critically endangered species of marine turtles. The hawksbill is known for its exceptionally pointed beak and their brown color.

The scales of a hawksbill differ from the other species of turtles. There are only 8,000 hawksbills, thus making them critically endangered.

3. Olive Ridley

facts about sea turtles
By Chandan Singh/Flickr. Copyright 2021

Considered the most abundant species of marine turtles available, Olive Ridley is mostly found in the Pacific Ocean and the species are decreasing in number, if not at immediate risk.

These species follow an omnivorous diet.

4. Leatherback turtle (luth)

The heaviest and the largest sea turtle species and the only one without a hard shell, but a leatherback. The leatherback turtle is widely known for its protective covering.

5. Loggerhead turtle

This species takes up to 39 years to reach sexual maturity and has a life span of about 80 -90 years. Turtles belonging to this species migrate long distances for laying eggs; however, they prefer avoiding the cold oceans.

D. Dangers faced by the sea turtles

Be it a fully grown adult turtle or a baby turtle, we’re all aware of the many threats the sea turtles around the world are facing.

There are several reasons for this, however, climate change, getting entangled in fishing gear, excess salt in the water, and rise in the sea levels are the main reasons.

1. Temperature and climate change

Temperature is a very important sex-determining factor for turtles – and this is one of the lesser-known facts about sea turtles.

It is more likely for male turtles to be born in cooler temperatures and for the females, it’s the warmer areas. However, with changes in climate, more female baby turtles are being born and ecologists believe that with more females being born, the genetic diversity will be affected.

Not only that, because of rising temperatures, the coral reefs are being destroyed, thus affecting their diet and marine habitats. With their habitat loss, the turtles are often forced to change their diets, which eventually leads them to death.

2. Accidental victims of fishing net

These marine reptiles get accidentally caught in fishing nets and cannot free themselves. Such accidental capture is one of the greatest threats to their existence.

3. Sea level rise

Due to the rise in sea levels, polar ice caps are melting, which, in turn, is threatening the existence of the beaches themselves, the turtles are slowly losing their nesting beaches. This is one of the well-known facts about sea turtles, yet, the rapid climate change is seeming impossible to control.

The female turtles go to the place where they were born to build their nest in order to lay their eggs. However, with the water levels in the ocean rising and the ocean waters capturing parts of the beaches, the turtles are losing their nesting beaches.

4. Incidents of oil spills

Often ships and other vessels crossing the water bodies can spill oil into the water and that reduces the amount of oxygen dissolved in water. Therefore, turtles cannot breathe and is eventually becoming a leading factor for their extinction.

5. Coastal developments

Apart from the excess female hatchlings being born, another problem for the turtle babies is coastal development. When the eggs hatch and the babies set on their journey from the nest towards the sea, often the lights from the other buildings on the coast confuse them and they tend to go that way, assuming the lights as the natural light from the horizon.

facts about sea turtles
By Cozyta/ UnilimPhotos

There are several other facts about sea turtles, like did you know, they’re known as land mowers of the sea and they dig their nests with their rear flippers.

Just like these, the ‘facts about sea turtles’ list have no end. However, the human race must take up necessary steps to save them, so we get to know more amazing facts about sea turtles.

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