Reptile Questions

How toxic is the venom of some snakes?

The toxicity of the venom varies greatly, with some snakes such as Black Mambas and Cape Cobras have extremely toxic venom which is of great medical significance to humans. I will not be discussing these dangerous snakes farther I will be putting the misconceptions about mildly venomous snakes to rest.

Why Did Snakes Evolve The Most Toxic Venom Possible? A popular theory in the past was that snakes simply evolved the most toxic venom possible in order to kill quickly any potential prey they might come across. Occasionally the extreme toxicity of inland taipan venom is still used in support of this "nuclear bomb" theory of snake venom evolution.

Why Do Some Snakes Have More Venom Than Others? Some venoms become more potent due to a selection pressure that is mainly driven by foraging. Producing venom takes a lot of energy, and therefore it must result in more food for the snake, in order to be worth producing. The ability to be venomous can also disappear over time.

Do Green Snakes Have Venom?

The only U.S. venomous snakes that can have a greenish hue are cottonmouths and Mojave rattlesnakes. Almost every serpentine family contains some green-colored snakes. Because of this, some green snakes have venom and others that are harmless to humans. We will look at the species of snakes from America, Asia, Africa, and Australia.

Do Cobra Snakes Really Spit Out Venom? The name 'spitting cobra' is somewhat misleading. These snakes don't really spit out venom. The act of spitting involves puckering of lips and then blowing out the sputum (in this case, it is venom and not sputum). Now, these cobras actually spray out venom instead of spitting out.

How Dangerous Are Snakes Without Venom? Even without venom, some snakes, particularly large constrictors such as those belonging to the Boidae and Pythonidae families, can deliver damaging bites; large specimens often cause severe lacerations, or the snake itself pulls away, causing the flesh to be torn by the needle-sharp recurved teeth embedded in the person.

Why Don't They Preserve The Venom Of Snakes In Alcohol? The snakes, preferably venomous ones, are not usually preserved for their meat but to have their "essence" and snake venom dissolved in the liquor. The snake venom poses no threat to the drinker. It is denatured by the ethanol - its proteins are unfolded and therefore inactive - and would be denatured by stomach acid anyway.

What Is Snakes Venom Made Of? Snakes are fascinating creatures and have been residents of this planet well before ancient humans dwelled the earth. Venomous snakes have been a figure of fear, and cause notable mortality throughout the world. The venom constitutes families of proteins and peptides with various isoforms that make it a cocktail of diverse molecules.

How Dangerous Is Venom From Snakes?

The danger from venom does not just depend on the type of venom that the victim is inflicted with, it also depends on what kind of snake or animal it is, how much venom was put in the person's system, and where the bite was.

What Snakes Have More Venom Than They Need? However, some species, such as cobras, boomslangs and rattlesnakes have far more venom than they apparently need -- in a single reserve of venom, they have the potential to kill thousands of their prey animals and several adult humans. But not all venomous snakes are so dangerous.

How Does The Institute Extract Venom From Snakes? The Institute extracts venom from the snakes in a process called milking. Venom is extracted to produce antivenom, helping to reduce the mortality rate of snake bite victims. The INSIDER team believes that life is an adventure!

Why Don't Snakes Develop Venom? Again, this suggests that snakes don't develop venom as a response to the need to ward off potential predators. Some venomous snakes, like this Brazilian caissaca (Bothrops moojeni), have toxins with the main function of causing pain.

How Do Snakes Get Their Venom? Venomous animals must puncture the skin of their victims to get their venom into the victim's blood. While unusual, there are a few species of snake that are actually poisonous.

Why Do Cottonmouth Snakes Bite Without Venom?

Sometimes cottonmouth snakes will deliver to predators what is called a "dry bite", or a bite without any venom dispersed in the victim. This happens when the snake is trying to conserve venom for later prey.

Where Do Snakes Get There Venom From? Living with wildlife: SnakesFacts about Washington snakesCommon snakes of WashingtonViewing snakesTips for attracting snakesPreventing conflictsAdditional information

How Do Venomous Snakes Inject Venom? Venomous snakes inject venom into their prey through specialized teeth. Venom must be injected in order to have its effect, whereas poison must be swallowed. Another misconception is that snakes inject venom each time they bite. Venom is a valuable resource to snakes. It is used to help them hunt, feed, and defend themselves.

Can We Develop An Anti-venom Treatment For Snakes In Africa? They are trying to develop anti-venom treatment against the bite of every dangerous snake in sub-Saharan Africa. Snake bites kill at 30,000 people in the region each year. The team has 400 venomous snakes in its laboratory. Lead scientist Dr Robert Harrison demonstrates how they extract venom from snakes.

How Did Venom Evolve In Snakes? The researchers also found that the expansion of venom gene families occurred mostly in highly venomous caenophidian snakes (also referred to as "colubroidian snakes"), thus suggesting that most venom evolution took place after this lineage diverged from other snakes.

Do All Bites From Venomous Snakes Have Venom?

But it's important to note that not all bites from venomous snakes result in the injection of venom. Since the main function of venom is to kill prey, snakes often want to conserve it by delivering a "dry bite", i.e., a bite without venom, to scare a threat.

Are King Snakes And Roadrunners Immune To Rattlesnake Venom? Yes. Several North American species of rat snakes, as well as king snakes, have proven to be immune or highly resistant to the venom of rattlesnake species. The king cobra, which does prey on cobras, is said to be immune to their venom. [ 1]

Do Snakes Run Out Of Venom After Bites? Even though a snake will run out of venom after a certain amount of bites, it can still bite and inflict serious injuries to its prey and opponent. After snake's poison glands go empty as a consequence of a large number of consecutive discharge, they will need some time to recharge.

Do Snakes Know How To Aim Their Venom? These species of snakes can eject their venom up to about two meters and remarkably enough know exactly how to aim for the eyes. In fact, there is evidence that if a spitting snake spits at you while you are moving from side to side, it will predictively spit ahead of you so that the venom gets into your eyes at the right time.

Do Snakes Use Venom Or Constrict? However, there is an interesting spread of these two strategies among active and ambush predators. Venom, in particular, is widespread amongst the so-called "advanced" snakes (Colubroides - the clade that contains some 85% of all snake species). But it's not as simple as saying that some snakes use venom while others constrict.

Do Mangrove Snakes Have Venom?

Venom and Envenomation. Mangrove snakes, as well as all other Boiga species, possess opisthoglyphous dentition; that is, they are rear-fanged and possess a mild venom. All rear-fanged snakes are found in the family Colubridae, and the venom of these animals varies from harmless to life-threatening.

Which Snakes Inject Venom Through Their Front Fangs? The elapids - cobras, mambas and garter snakes. The venom here is injected through relatively short, fixed, front fangs. The venom more or less rapidly involves the nervous system, and is intended to paralyse the prey.

Is The Venom Of Some Snakes Used In Medicines? Snake venom has been used to make drugs that treat hypertension (abnormally high blood pressure) and heart conditions such as angina. "As well as being scary, venom is amazingly useful," Seshagari...

Why Do Copperhead Snakes Have Fangs And Venom? The primary role of the venom and fangs is to kill their food items quickly. The amount of venom a single Copperhead snake can deliver is insufficient to kill an otherwise healthy adult human.

Can Snakes Be Poisoned By Their Own Venom? Snakes cannot be poisoned by their own venom because the venom is secured in special glands that does not allow it entering the reptile's blood vessels. Therefore, they are safe from the deadly effect of their own venom.

Where Do Snakes Store Their Venom?

The answer is that snakes do not have poison on their teeth. They store their venom in small bags (sacs) located on each side of the mouth, in their upper jaw. They have special glands that make venom. When a snake feels threatened, venom travels through tubes from these sacs to the fangs (snake's teeth). Most snakes spread their venom by biting.