
Ticks are small parasitic arachnids that attach themselves to the skin of dogs and feed on their blood. In Australia, there are about 70 different types of ticks, with three main species infesting dogs: paralysis ticks, brown dog ticks, and bush ticks. Ticks can cause serious and potentially fatal diseases in dogs, so it's important for dog owners to know what to look for and how to protect their pets. This includes knowing how to identify the different types of ticks, their symptoms, and methods of prevention and treatment.
| Characteristics | Values |
|---|---|
| Species | Paralysis ticks, brown dog ticks, and bush ticks |
| Appearance | Small eight-legged parasitic arachnids |
| Size | About the size of an apple seed when unfed; can be as big as a thumbnail when engorged |
| Colour | Brown and grey; can vary depending on the species |
| Location on dog | Anywhere on the dog's body, but prefer dark and hidden areas like under the collar, between the toes, and under the tail |
| Location in Australia | Paralysis ticks: east coast of Australia; Brown dog ticks: throughout Australia; Bush ticks: east and west coasts of Australia |
| Habitat | Grass, tree branches, logs, leafy debris, and uncontrolled vegetation |
| Seasonality | Tick season is generally from September to March, but ticks can be found year-round |
| Symptoms of a bite | Tick crater, swollen red skin, pale gums, change in bark, laboured breathing, excessive salivation, dilated pupils, wobbly legs, vomiting, coughing, collapse |
| Prevention | Tick collars, shampoos, sprays, spot-on treatments, oral treatments, minimising time outdoors, avoiding grassy areas |
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What You'll Learn

Brown dog ticks are reddish-brown with eyes
Ticks are small parasitic arachnids that attach and feed on the blood of animals and humans. There are about 70 different types of ticks in Australia, and they are most frequently found during the warmer months.
The brown dog tick is a common species of tick found throughout Australia. They are reddish-brown and have eyes, which differentiates them from other common ticks in the country. Brown dog ticks can transmit bacteria that cause potentially fatal diseases in dogs, such as canine ehrlichiosis and canine Babesia. They can also cause skin irritation and heavy infestations may result in anaemia from excessive blood loss.
To identify a brown dog tick, look for a small reddish-brown lump protruding from the skin. Upon closer inspection, you may be able to see the tick's legs. If the tick is no longer attached, the bite site may appear red and slightly raised.
It is important to perform daily tick checks on your dog to prevent and identify any potential infestations. If you find a tick, use fine-tipped tweezers to grasp it as close to the skin as possible and pull upward with steady, even pressure. Do not twist or jerk the tick, as this can cause the mouthparts to break off and remain in the skin. After removing the tick, be sure to clean the bite site and consult a veterinarian if there is any reaction.
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Bush ticks are reddish-brown to blue-black
Bush ticks are predominantly found along the east and west coasts of Australia, although they have also been reported in southern cities like Adelaide and Melbourne. They are known to feed on cattle but can attach to dogs and other animals too. They can be identified by their short mouthparts and tiny spurs on their heads, although this requires magnification. The appearance and size of a bush tick can vary depending on how engorged (full of blood) they are. Before attaching to the skin and taking a blood meal from their host, ticks are typically about the size of an apple seed. After feeding, they become 'engorged' and can be as big as a fingernail.
Bush ticks do not produce harmful toxins like paralysis ticks, but their bites can be irritating to dogs and cause skin irritation. They can also transmit potentially fatal diseases, such as babesiosis, a parasitic red blood cell infection that can result in anaemia and a lack of oxygen in the blood. Therefore, it is important to perform daily tick searches on your dog, especially if you live near cattle or in humid coastal areas where bush ticks are prevalent.
If you suspect your dog has been bitten by a bush tick, gently run your fingers all over their body to feel for any lumps or bumps. Ticks can attach anywhere on a dog, including their ears, under their front legs, in their groin area, and even inside their mouth. If you find a tick, use tick removers or your thumb and forefinger to grip it as close to the dog's skin as possible, then firmly pull it off. It is important to remove ticks as quickly as possible and monitor your dog for any signs of illness. If you are concerned about your dog's health, seek veterinary advice immediately.
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Paralysis ticks have dark brown front and back legs
Ticks are small parasitic arachnids that feed on the blood of animals and humans. There are about 70 different types of ticks in Australia, and they are most prevalent during the warmer and more humid months of the year. Of these, three species commonly infest dogs: paralysis ticks, brown dog ticks, and bush ticks.
Paralysis ticks (Ixodes holocyclus) are the most important to be aware of as they are deadly and found all along the eastern coast of Australia. They can cause tick paralysis in dogs, which is often fatal even with the best treatment. The paralysis tick is identified by its dark brown front and back legs, with beige middle legs. The brown legs are closest to the tick's head and body. The body of the paralysis tick is grey.
Identifying ticks can be difficult, and it is recommended to contact a veterinary clinic for advice. The paralysis tick is particularly hard to identify if it is not fully engorged, as its body shape and colour are harder to determine. However, the legs are the best feature to distinguish it from other ticks in the same regions.
To check your dog for ticks, gently run your fingers all over its body, from the nose to the tail. Ticks often attach anywhere but are most commonly found from the shoulders forward. You are looking for a bump that is the tick itself or a wound or swelling that may indicate a tick bite.
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Ticks are about the size of an apple seed before feeding
Ticks are small eight-legged parasitic arachnids that feed on the blood of mammals and humans. There are about 70 different types of ticks in Australia. Ticks can carry poisonous toxins and bacteria that are harmful to dogs and can even be fatal. Therefore, it is important to know what ticks look like to keep your dog safe.
Before feeding, ticks are about the size of an apple seed. They can vary in colour depending on the species. For example, the bush tick is typically reddish-brown to blue-black, while the brown dog tick is reddish-brown and has eyes. The paralysis tick has a dark brown first and last pair of legs, in contrast to its beige middle pair. After attaching to the skin and feeding on blood, ticks become 'engorged' and can be as big as a fingernail.
To check your dog for ticks, gently run your fingers through their coat, feeling for any lumps or bumps. Ticks can attach anywhere on a dog's body, including inside their ears, under their front legs, in their groin area, and even inside their mouth. If you find a tick, you can remove it with a tick hook or by grasping it near the skin and pulling it off in a corkscrew motion. It is important to monitor your dog for ticks year-round, especially during the warmer months when ticks are most active.
If you are unsure whether your dog has been bitten by a tick, it is best to consult your veterinarian. Tick bites can cause skin irritation and heavy infestations may result in anaemia from excessive blood loss. In some cases, ticks can transmit potentially fatal diseases, such as babesiosis or Ehrlichia canis. Symptoms of a tick bite can include a tick crater, swollen red skin, pale gums, and weakness in the hind legs.
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Tick bites cause skin irritation and redness
Ticks are small parasitic arachnids that feed on the blood of animals and humans. There are about 70 different types of ticks in Australia, with three common species infesting dogs: paralysis ticks, brown dog ticks, and bush ticks. The most dangerous of these is the paralysis tick, which is found on the east coast of Australia and can cause tick paralysis in dogs.
Tick bites on dogs usually appear as small, red bumps on the skin, similar to mosquito bites. These bumps often go unnoticed by dog owners. However, it is important to monitor your dog's behaviour for signs of a tick bite, such as sudden itching and scratching, lethargy, and difficulty moving. Other symptoms of tick bites in dogs include inflammation, sores, and scabbing.
The brown dog tick is widely distributed throughout Australia and can cause skin irritation. Heavy infestations of brown dog ticks can result in excessive blood loss and anaemia, and they can also transmit potentially fatal infections, such as Ehrlichia canis, from one dog to another. This disease was first identified in Australia in 2020 and has been detected mainly in remote communities in Western Australia and the Northern Territory.
Bush ticks are found along the east and west coasts of Australia and predominantly feed on cattle. They have short mouthparts and tiny spurs on their heads, which can help with identification under magnification. Bush ticks can cause skin irritation and transmit potentially fatal diseases such as babesiosis, a parasitic red blood cell infection that can lead to anaemia and a lack of oxygen in the blood.
It is important to perform daily tick checks on your dog, especially after walks or outdoor play, to prevent and treat tick bites effectively. When checking your dog for ticks, pay close attention to areas such as the ears, neck, underbelly, and between the toes, as these are common biting sites. Additionally, keeping your dog's grass short and avoiding dense vegetation can help reduce their exposure to ticks.
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Frequently asked questions
Ticks on dogs in Australia can vary in colour and size depending on the species and life cycle stage. They are typically brown and grey and can be as small as a pinhead or as large as a thumbnail. Ticks attach to the skin and feed on the blood of the host, becoming 'engorged' and increasing in size.
There are about 70 different types of ticks in Australia, with three main species infesting dogs: paralysis ticks, brown dog ticks, and bush ticks. Paralysis ticks are the most dangerous and are found on the east coast, from Queensland to Victoria. Brown dog ticks are common throughout Australia and are identified by their reddish-brown colour and eyes. Bush ticks are found along the east and west coasts and predominantly feed on cattle.
Tick bites can be identified by a small bump or lump on the skin, which may be swollen, itchy, and red. The site of the bite may also have a tick crater, which is a wound where the tick's head was attached.
If you find a tick on your dog, it is important to remove it as soon as possible. You can use a tick hook or grasp it near the skin and remove it with a corkscrew action. After removing the tick, monitor your dog for any signs of tick paralysis, such as weakness in the hind legs, laboured breathing, excessive salivation, and dilated pupils. If you notice any of these symptoms, seek immediate veterinary help.











































