Land snakes vs sea snakes

Land snakes vs sea snakes

When it comes to reptiles, snakes are among the most fascinating and often misunderstood creatures on the planet. With over 3,000 species of snakes in the world, each with its unique characteristics and behaviours, it’s easy to get lost in the diversity. In this article, we will be comparing and contrasting two specific types of snakes – land snakes and sea snakes – and discussing their similarities, differences, and how they adapt to their respective environments.

Land Snakes

Land snakes, as the name suggests, are snakes that primarily inhabit land-based environments. They can be found in virtually every habitat on earth, from deserts to rainforests, and from temperate climates to the tropics. Some of the most common land snake species include garter snakes, corn snakes, king snakes, and boa constrictors.

One of the most significant differences between land snakes and sea snakes is their physical appearance. Land snakes tend to have a more robust, muscular build, with a thicker body and shorter tail. They typically have four rows of belly scales, which help them move across the ground with ease. Additionally, most land snakes have eyes that are positioned on the sides of their heads, which gives them a wider field of vision, helping them detect prey and predators more efficiently.

In terms of behaviour, land snakes are generally solitary creatures that prefer to avoid confrontation when possible. They will often spend the majority of their time hiding in burrows, crevices, or under rocks and logs, waiting for their prey to come to them. Most land snakes are ambush predators, meaning they will wait until their prey is close enough before striking quickly and accurately.

Sea Snakes

Sea snakes are a unique type of snake that has adapted to life in the ocean. Unlike their land-based counterparts, sea snakes are entirely aquatic and spend their entire lives in the water. They are typically found in the warm waters of the Indian and Pacific Oceans, from the coast of Africa to the shores of Australia.

One of the most obvious physical differences between sea snakes and land snakes is their tail. Sea snakes have flattened, paddle-shaped tail that allows them to swim efficiently through the water. They also have a compressed body that is more streamlined than land snakes, making them more hydrodynamic. Additionally, most sea snakes have eyes that are positioned on the top of their head, giving them an excellent view of their surroundings above the water’s surface.

Sea snakes are generally more social creatures than their land-based counterparts, and they often live in large groups in underwater caves and crevices. They are active hunters that spend much of their time swimming through coral reefs and seagrass beds in search of prey. Most sea snakes are venomous and use their venom to immobilize their prey before swallowing them whole.

Comparing Land Snakes and Sea Snakes

While land snakes and sea snakes are both members of the same family, they have evolved to survive in vastly different environments. One of the most significant differences between the two types of snakes is their mode of locomotion. Land snakes use their belly scales and muscular bodies to move across the ground, while sea snakes use their paddle-shaped tail to swim through the water.

Another significant difference is their diets. Land snakes are primarily carnivorous and feed on a variety of small mammals, birds, and reptiles. In contrast, sea snakes feed exclusively on fish and other marine creatures, such as eels and crustaceans.

Despite these differences, there are also some similarities between land snakes and sea snakes. For example, both types of snakes are cold-blooded, meaning that their body temperature is regulated by the environment around them. Additionally, both land snakes and sea snakes are important members of their respective ecosystems, playing critical roles in maintaining the balance of their environments.


In conclusion, while both land snakes and sea snakes are fascinating creatures, they have distinct differences in their behaviour, habitat, and physical characteristics. Land snakes are more commonly encountered and may pose a greater threat to humans due to their venomous bites. However, sea snakes have developed unique adaptations to their underwater environment and play important roles in marine ecosystems. It’s important to appreciate and respect both types of snakes, but also to exercise caution and safety measures when encountering them in their respective habitats. By understanding and appreciating these differences, we can gain a deeper appreciation for the diversity of the natural world and our place in it.

Read more about the snakes in New Zealand

About Head Kiwi

Juha is the chief bird at Kiwi Directory.