9 Facts On Are Saltwater Crocodiles Aggressive? Why & How?

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9 Facts On Are Saltwater Crocodiles Aggressive? Why & How?

Crocodiles can be seen as the reptilian big brother. Because of their pointed rows of teeth, these ancient reptile species are regarded as among the most “savage” creatures on earth.

Crocodiles are said to be hostile. Aggression levels, however, differ between different species. The king of crocs and most vicious are saltwater crocodiles, or “salties.” These crocodiles exhibit some hostility even as juveniles.

Despite their youth, the salties already exhibit the aggressive traits of their parents.

They can deliver the toughest bite in the animal kingdom because of their long, powerful teeth. Are you curious to find out more about salties?

Are Saltwater Crocodiles Aggressive
Image Credit: Saltwater Crocodiles by fvanrenterghem (CC BY-SA 2.0)

Saltwater crocodiles: basic facts

Here is a list of some fundamental information about saltwater crocodiles.

Common nameSaltwater crocodile
Other namesMarine crocodile, sea crocodile, salties, estuarine crocodile, Indo-Pacific, and crocodile
Scientific nameCrocodylus porosus
Family Crocodylidae 
TypeReptiles
Found inCoastal brackish mangrove swamps and river deltas
SizeMale- Up to 19 feet
Female- Up to 10 feet
WeightMale- Up to 1000 kg
Female- Up to 200 kg
Teeth size5 inches 
Bite force Approx. 3,700 psi
Lifespan Average 70 years 
Speed24 – 29 km/h
Clutch size40 – 60
IUCN Red List statusLeast concern
AggressionHighest 
Saltwater crocodiles: basic facts

Are saltwater crocodiles dangerous to humans?

Despite having a reputation for being one of the most aggressive reptile species, not all crocodiles are aggressive towards people. But what about the deadliest croc species- the salties?

Saltwater crocodiles have often attacked humans. As a result, people have a primal dread of this kind of crocodile. Salties are dangerous to humans, especially if you venture into their habitat.

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The truth is that although saltwater crocodiles are the most ferocious species, we people actually pose a greater threat to them.

Yet, we would suggest not putting yourself into the water that contains salties. These crocs can devour humans!

Why do saltwater crocodiles attack humans?

There are reports of salties attacking people. But we frequently ponder why these crocodiles might attack people.

The International Union for Conservation of Nature (IUCN) claims that any Crocodylidae family member would attack people for one of four common causes. The four causes are listed below.

  1. They are being territorial.
  2. They are hungry.
  3. They’re defending their offspring.
  4. They’re defending themselves.

But remember, humans, are not among the primary prey of crocs. Nevertheless, a report from the IUCN also claimed that between 2000 and 2007, there were roughly 30 attacks on humans committed by saltwater crocodiles. In terms of actually eating people, saltwater crocodiles are just second to Nile crocodiles. However, specialists say salties typically eat nearly anything with meat, but less than 1400lbs.

Why are crocodiles so aggressive?

According to scientists, crocodiles’ territorial character is one of the main causes of aggression. They are aware of their strength and readiness to defend their territory. Therefore, you may never know when a crocodile might attack you just for trespassing on their property.

Why are saltwater crocodiles so aggressive?

Specifically, salties are aggressive because it is in their genetic makeup. They inherit aggression from their parents and are genetically predisposed to it. Other than this, there is no adequate justification for these crocs’ explosive tempers.

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But it wouldn’t be incorrect to say that salties’ propensity for violence is what allows them to live in the wild. The hypothesis of Charles Darwin states that only the fittest members of our planet will endure. So to make themselves the most likely to survive, these crocodiles have adapted themselves in this way.

How aggressive are saltwater crocodiles?

Saltwater crocodiles are the most vicious. Because even the hatchlings exhibit hostility, albeit to a lesser extent than the adults, you can tell how aggressive they are. Baby salties have been observed to exhibit the same level of hostility as their parents in the wild.

Which is more aggressive- Saltwater crocodiles or Nile crocodiles?

Image Credit: Nile crocodile head by Leigh Bedford (CC BY 2.0)

Both- saltwater and Nile crocodiles are counted among the apex predators. They are highly feared, and there are some good reasons behind this. But which species is more aggressive?

If compared, saltwater crocs are faster and have more stamina underwater than Nile crocs. Additionally, Nile crocs get tired faster than salties, which male the latter more powerful. Behaviorally, salties show more cunningness and audacity. 

White Nile crocodiles are the top predators in Africa; saltwater crocodiles are primarily found in Asia and Australia. Both species reside where humans live and feed on huge animals weighing over 100 kg. Therefore, there is a considerable probability that they will attack if humans enter their territory.

Let’s undertake a comparative study between salties and Nile croc to get a clearer picture of them.

Characteristics Saltwater CrocodileNile Crocodile 
SizeUp to 19 feetUp to 18 feet
WeightUp to 1000 kg Up to 750 kg
BehaviorHighly aggressiveHighly aggressive 
Attacking tendency HighVery high
Attacking styleAmbushAmbush
Saltwater Crocodile vs. Nile Crocodile

Which is more aggressive- Saltwater crocodiles or Freshwater crocodiles?

Freshwater and saltwater crocodiles are very dangerous. However, the two differ in terms of the intensity of their aggression. Because of their sharp teeth, freshwater crocodiles prefer to hunt smaller prey like fish. In contrast, salties hunt prey ‌‌weighing even over 100 kg. Therefore, ‌salties are more aggressive toward larger prey.

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Experts frequently claim that people can swim in freshwater crocodile-infested areas and will be safe for the most part. Because these crocodiles never go after the big game.

What are the deadliest crocodiles on earth?

The top 10 deadliest crocodiles on earth are included in the following table. Keep a safe distance from them and read about them.

CrocodilesSizeAverage weight (in kgs)Habitat
Saltwater crocodileUp to 19 feetUp to 1000India, Asia, and Australia
Nile crocodileUp to 18 feet750-900Africa
American AlligatorUp to 15 feetUp to 230 The gulf coast region of the US
GharialUp to 15 feet160India and Nepal
American CrocodileUp to 16.5 feetUp to 500Across Florida and Mexico and South America
Mugger Crocodile Up to 16.5 feetUp to 200Iran to Southeast Asia 
Black CaimanUp to 13 feet Up to 300Northern South America
Top 10 Deadliest Crocodiles on Earth

Summary

This concludes our discussion of whether saltwater crocodiles are aggressive. The article’s key takeaway is that, yes, salties are aggressive. They are some of the biggest crocodiles globally with the most powerful bites. Even though people are not their primary food source, they won’t even think twice before attacking. These crocodiles would specifically attack if they’re afraid, are defensive, or have been hungry. Therefore, be careful never to enter salties’ region. You may never know when they’ll ambush attack.

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