R
Species Profile

Rinkhals Snake

Hemachatus haemachatus

Spit. Bluff. Survive.
Andre Coetzer/Shutterstock.com

Rinkhals Snake Distribution

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Endemic Species
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Found in 3 countries

🇿🇦 South Africa 🇱🇸 Lesotho 🇸🇿 Eswatini
Rinkhals Snake

At a Glance

Wild Species
Also Known As Ringhals, Ring-necked cobra, African ring-necked cobra, Spitting cobra
Diet Carnivore
Activity Diurnal+
Lifespan 9 years
Status Least Concern
Did You Know?

Not a "true cobra": it isn't in genus Naja; Hemachatus haemachatus is the sole living Hemachatus species (taxonomy; Branch, *Field Guide to Snakes...*, 1998/2014).

Scientific Classification

The rinkhals (Hemachatus haemachatus) is a venomous African elapid famous for accurately spitting venom toward the eyes of perceived threats. Although often called a spitting cobra, it is not in the genus Naja and is the sole living species in Hemachatus.

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Elapidae
Genus
Hemachatus
Species
Hemachatus haemachatus

Distinguishing Features

  • Defensive venom-spitting aimed at the eyes
  • Expandable neck hood (cobra-like), but not a true Naja cobra
  • Often shows pale banding/“ring-neck” impression and may display a dark throat patch when hooding
  • Can feign death (thanatosis) in some encounters

Physical Measurements

Length
3 ft 7 in (1 ft 12 in – 4 ft 11 in)
Venomous

Appearance

Primary Colors
Black Brown Gray
Secondary Colors
Cream Yellow Striped Spotted
Skin Type Keeled dorsal scales (rough-textured) with smoother ventral scutes; typical elapid scalation.
Distinctive Features
  • Not a true cobra: genus Hemachatus (not Naja); still forms a defensive hood.
  • Adults typically 90-120 cm total length; maximum reported about 150 cm (regional field guides).
  • Defensive venom-spitting aimed at eyes; effective range commonly ~2-3 m, causing severe ocular injury risk.
  • Distinctive throat pattern: 1-3 pale/yellowish bands on darker throat, prominent when hooded.
  • Dorsal scales are keeled-useful for separating from many smoother-scaled African cobras.
  • May feign death (thanatosis) when threatened, sometimes rolling onto back with mouth open.
  • Primarily southern African distribution; often in grassland, fynbos, wetlands edges, and peri-urban areas.

Sexual Dimorphism

Sexes are generally similar in color and pattern. Females tend to average slightly larger/heavier overall, while males typically have proportionally longer tails (post-cloacal length) consistent with hemipenal anatomy.

♂
  • Proportionally longer tail and thicker tail base posterior to cloaca.
  • Often slightly slimmer-bodied at the same total length.
♀
  • Often slightly greater average total length and body mass in adult populations.
  • Typically shorter tail proportion relative to total length.

Did You Know?

Not a "true cobra": it isn't in genus Naja; Hemachatus haemachatus is the sole living Hemachatus species (taxonomy; Branch, *Field Guide to Snakes...*, 1998/2014).

Typical adult total length ~0.9-1.2 m; large individuals may reach ~1.5 m (Branch 1998/2014; Marais, *A Complete Guide to Snakes of Southern Africa*, 2004).

Can spit venom toward the eyes; maximum spitting distance is commonly reported at ~2-3 m (Branch 1998/2014).

Famous for thanatosis (death-feigning): it may roll onto its back, gape, and lie still-then revive and escape or bite when approached (Branch 1998/2014).

Unusual among African elapids, it is ovoviviparous (live-bearing); litters commonly ~20-35 young, with larger litters recorded (Branch 1998/2014).

Unlike most cobras (Naja), it has strongly keeled dorsal scales-often a helpful ID clue in the field (Branch 1998/2014).

Diet often includes amphibians (notably toads) as well as small mammals and reptiles, helping explain its frequent use of wet grassland and seasonally waterlogged depressions (Branch 1998/2014; Marais 2004).

Unique Adaptations

  • Venom-ejection apparatus: forward-directed fang openings and forceful expulsion create a spray/jet suited to hitting eyes rather than delivering a bite (functional morphology described broadly for spitting elapids; summarized in Branch 1998/2014).
  • Pain-focused defensive chemistry seen in spitting lineages: convergent evolution in African spitting elapids (including Hemachatus) enhances immediate pain/ocular injury risk, improving predator deterrence (Kazandjian et al., *Science*, 2021).
  • Ovoviviparity (live birth) in a largely egg-laying family may help reproduction in cooler, highland/temperate parts of its southern African range (life-history noted in Branch 1998/2014).
  • Keeled scales (vs. the typically smoother-scaled Naja cobras) provide a distinctive texture and may aid movement in dense grass and rough ground cover where the species often lives (Branch 1998/2014).

Interesting Behaviors

  • Targeted venom-spitting: raises the forebody, hoods, and "aims" at the face/eyes of a threat; head movements can track a moving target (Branch 1998/2014).
  • Defensive sequence often escalates from warning display (hooding, hissing) → spitting → biting if handled or cornered (Branch 1998/2014).
  • Death-feigning (thanatosis): may flop over and remain motionless; when the danger passes, it "comes back to life" and departs (Branch 1998/2014).
  • Habitat use: frequently encountered in grassland, Cape shrubland edges, and moist areas (seasonally waterlogged depressions, marshy ground), sometimes near human settlements where prey is abundant (Branch 1998/2014; Marais 2004).
  • Activity is flexible: commonly active in the day in cooler conditions and more crepuscular/nocturnal in hot weather (Marais 2004).

Cultural Significance

The ring-necked spitting cobra (Hemachatus haemachatus) is feared in southern Africa for spitting venom at eyes. People use face protection and careful approach, and teach quick eye washing. Its Afrikaans name means "ring neck" for the pale and dark throat band shown when it spreads its hood.

Myths & Legends

Farm stories in Afrikaans communities say the Rinkhals (Ring-necked Spitting Cobra) (Hemachatus haemachatus) can spit on purpose into a person's eyes from several paces away, told to scare children from bothering hooded snakes.

In some rural stories in southern Africa, the Rinkhals (Ring-necked Spitting Cobra) (Hemachatus haemachatus) is seen as a hooding, spitting snake sent to hurt or blind people, so they avoid it at night.

Local tales about the Rinkhals (spitting cobra, Hemachatus haemachatus) tell of a 'false death'—a snake that seems dead but suddenly comes back to life when picked up, warning that not moving snakes can be dangerous.

The ring-necked spitting cobra (rinkhals) is known for its throat bands shown when it spreads its hood; many people use that throat 'ring' to tell this dangerous spitter from a plain brown snake.

Conservation Status

LC Least Concern

Widespread and abundant in the wild.

Population Unknown

Protected Under

  • National protection is not uniform across its range; however, the species occurs in multiple protected areas in South Africa and Lesotho, and handling/collection of native wild reptiles is regulated by provincial/territorial permitting in many jurisdictions.
  • Not listed in the CITES Appendices (international trade controls generally do not apply unless governed by local law).

Life Cycle

Birth 25 hatchlings
Lifespan 9 years

Lifespan

In the Wild
8–10 years
In Captivity
15–20 years

Reproduction

Mating System Polygynandry
Social Structure Solitary
Breeding Pattern Seasonal
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Rinkhals are largely solitary and breed seasonally, with males actively searching for females and sometimes engaging in male-male competition. Copulation uses internal fertilization (hemipenes); females are viviparous and give birth to multi-offspring litters, with no parental care.

Behavior & Ecology

Social Aggregation Group: 1
Activity Diurnal, Crepuscular, Nocturnal
Diet Carnivore Toads (Bufonidae)
Seasonal Hibernates

Temperament

Primarily defensive; readily raises forebody, spreads hood, and delivers prolonged hissing (Branch, 1998).
Accurately spits venom toward perceived threats' eyes at short range; commonly escalates without physical contact (Marais, 2004; Branch, 1998).
Known for tonic immobility ("playing dead") when harassment continues; may gape and emit musk (Branch, 1998).
Generally avoids confrontation and attempts escape when cover is available; bites more likely when restrained (Alexander & Marais, 2007).

Communication

Loud sustained hiss used during defensive displays Branch, 1998
Visual threat display: forebody elevation and hooding to appear larger Branch, 1998
Venom spitting as a distance warning/defense signal; targets face/eyes of large animals Marais, 2004
Chemical communication via tongue-flicking and pheromones for mate-finding and reproductive state General squamate mechanism; Greene, 1997
Tactile cues during courtship/mating: body alignment and rubbing typical of elapids Greene, 1997
Thanatosis and body posturing Gaping/rolling) as anti-predator signaling to deter attack (Branch, 1998

Habitat

Grassland Savanna Shrubland Woodland Wetland Marsh River/Stream Pond Agricultural/Farmland Suburban Urban +5
Biomes:
Temperate Grassland Savanna Mediterranean Wetland Temperate Forest
Terrain:
Coastal Plains Plateau Hilly Mountainous Valley Riverine Rocky Sandy Muddy +4
Elevation: Up to 8858 ft 3 in

Ecological Role

Terrestrial mesopredator in southern African grassland/fynbos/agro-ecosystems; important regulator of small-vertebrate populations.

Predation on amphibians (notably toads and frogs), helping structure local amphibian communities Predation on small mammals (including rodents), potentially reducing crop/pasture pest pressure in agricultural mosaics Energy transfer within food webs as both predator and prey (e.g., taken by raptors and mammalian carnivores such as mongooses)

Diet Details

Main Prey:
Toads Frogs Small mammals Small birds and nestlings Reptiles

Human Interaction

Domestication Status

Wild

The rinkhals (Ring-necked Spitting Cobra, Hemachatus haemachatus) is a wild African snake and has not been domesticated. It is sometimes kept in zoos or private venomous collections, but that is not domestication. Human interactions include conflicts near homes and farms, eye and bite injuries, antivenom and venom research, education, limited pet keeping, and rodent control.

Danger Level

High
  • Ocular venom exposure from defensive spitting: intense pain, conjunctivitis/keratitis; risk of corneal damage and potential vision loss without prompt irrigation/medical care.
  • Bite envenoming: can cause significant local tissue injury and systemic effects; untreated bites can be medically serious and may be fatal in rare cases.
  • Defensive behavior near human habitation: may rear up, hood, and spit accurately when approached or stepped on; risk elevated for people working in grassland/brush, hikers, and children/pets.
  • Handling risk (captivity/illegal keeping): high probability of severe injury due to close-range spit and bite potential.

As a Pet

Not Suitable as Pet

Legality: Laws for keeping Rinkhals (Ring-necked Spitting Cobra, Hemachatus haemachatus) vary. Many places limit or ban them; permits, secure cages, and proof of experience are often needed. Check national, state/provincial, and local laws.

Care Level: Expert Only

Purchase Cost: $150 - $600
Lifetime Cost: $5,000 - $25,000

Economic Value

Uses:
Public health/medicine (antivenom relevance, clinical treatment) Scientific research (venom/toxinology, ophthalmic injury models) Education and outreach (zoos, reptile centers) Regulated herpetoculture (limited) Ecosystem services (rodent control benefiting agriculture)
Products:
  • Venom for research and antivenom development (institutional, regulated)
  • Educational programming/exhibits
  • Occasional captive-bred/offtake specimens in regulated trade (jurisdiction-dependent)

Relationships

Predators 6

Secretarybird Sagittarius serpentarius
Brown Snake Eagle Circaetus cinereus
Bateleur Terathopius ecaudatus
Honey badger
Honey badger Mellivora capensis
Egyptian mongoose Herpestes ichneumon
White-tailed mongoose Ichneumia albicauda

Related Species 6

Mozambique spitting cobra
Mozambique spitting cobra Naja mossambica Shared Family
Black-necked spitting cobra Naja nigricollis Shared Family
Snouted cobra
Snouted cobra Naja annulifera Shared Family
Cape cobra
Cape cobra Naja nivea Shared Family
Forest cobra
Forest cobra Naja melanoleuca Shared Family
Jameson's mamba
Jameson's mamba Dendroaspis jamesoni Shared Family

Ecological Equivalents 5

Animals that fill a similar ecological role in their ecosystem

Mozambique spitting cobra
Mozambique spitting cobra Naja mossambica Occurs in parts of southern Africa and uses a similar defensive behavior: hooding and spitting irritating, cell-damaging venom toward the eyes; the spray has been reported to reach about two to three meters.
Black-necked spitting cobra Naja nigricollis Fills a comparable niche as a generalist terrestrial spitting elapid, notably using defensive ocular-targeted venom spraying. Although more widespread across sub-Saharan Africa than Hemachatus haemachatus, it is functionally similar in predator-prey role and human-conflict ecology around settlements and agricultural mosaics.
Snouted cobra
Snouted cobra Naja annulifera Overlaps geographically in southern Africa and occupies similar habitats — savanna/grassland edges and riparian zones. Has a similar diet breadth (amphibians, reptiles, small mammals) and comparable threat displays (hooding, striking), although it is not as characteristically associated with death-feigning as the rinkhals.
Boomslang
Boomslang Dispholidus typus Another African snake found in the same landscapes and human-inhabited areas. It is a mid-to-upper-level predator of small vertebrates, more arboreal and rear-fanged, but fills a similar ecological role.
Honey badger
Honey badger Mellivora capensis Not a taxonomic relative but a strong ecological antagonist: a well-documented snake predator in southern African systems that can prey on venomous snakes, influencing snake behavior (avoidance and defensive displays) and altering local predation pressure on medium-sized elapids such as the rinkhals.

“This snake is known for playing dead as a defense against predators.”

The Rinkhals snake sometimes called the ring-necked spitting cobra, is a venomous snake native to South Africa. It can grow to a length of three and a half feet. This snake can rear up and spread its hood like a true cobra but belongs to a different genus. It has a diet of frogs, toads, and rodents.

4 Rinkhals Snake Amazing Facts

• It’s an expert at playing dead by turning onto its back and opening its mouth
• It can spit venom a distance of nine feet aiming at a predator’s eyes
• Instead of laying eggs, it gives live birth to 20 to 35 snakelets
• The size of a Rinkhals snake baby is six to seven inches

Where to Find a Rinkhals Snake

The Rinkhals snake is from South Africa. It’s found in Cape Town, Eswatini and Johannesburg. It lives in a grassland, wetland, or scrubland habitat.

The Rinkhals snake is sometimes found basking on rocks during the day to warm its body. These snakes also hide beneath leaves, sticks or other vegetation. They live in a temperate to tropical climate and are most active in the summer and fall.

Rinkhals Snake Scientific Name

Hemachatus haemachatus is the scientific name of the Rinkhals snake. They are also called ring-necked spitting cobras. Though it’s referred to as a ring-necked spitting cobra, it’s not a true cobra. This is because it isn’t in the Naja genus.

A Rinkhals snake is an Elapid meaning it belongs to the Elapidae family. They are in the Reptilia class.

The Rinkhals is a monotypic genus. This means it’s the only member of its particular group.

Rinkhals Snake Population & Conservation Status

The IUCN Redlist of Threatened Species doesn’t display a population total connected to Rinkhals snakes. However, the population of this Elapid is described as stable and even abundant with a status of Least Concern.

How to Identify a Rinkhals Snake: Appearance and Description

Rinkhals Snake

Rinkhals Snake

©Andre Coetzer/Shutterstock.com

The body of a Rinkhals snake is black or dark gray with two or three bands of white running across its chest. Other Rinkhals snakes have a combination of black with yellow bands. The coloration of this Elapid differs a little depending on where it lives in South Africa. The scales of a Rinkhals snake are ridged or keeled, instead of smooth.

As an adult a Rinkhals snake can be from three feet to three and a half feet long. In the world of venomous snakes, it’s considered to be medium in size. It has a thick body and the ability to raise its pointed head and expand its hood.

How to Identify a Rinkhals Snake:

• Black or dark gray body
• Two or three wide bands of white on its chest
• A thick body
• Ridged scales
• Small size head with round, dark eyes

Rinkhals vs Cobra

When you see a video of a Rinkhals snake raising the top half of its body and expanding its hood, it’s easy to assume it’s a cobra. After all, this is very familiar behavior from a cobra. Well, while the Rinkhals snake is a type of cobra, it isn’t considered a true cobra. There are similarities and differences between the Rinkhals snake and true cobras.

Along with rearing up and displaying its hood, another similarity a Rinkhals shares with some true cobras is it can spit venom. Both true cobras and Rinkhals snakes can spit venom a distance of well over nine feet.

True cobras and Rinkhals snakes share a similar diet of frogs, toads, and rodents.

When it comes to differences, the first one to note is Rinkhals are not included in the Naja genus. The Rinkhals is in its own genus known as Hemachatus. The Naja genus includes true cobras such as the Mozambique spitting cobra, the Indian cobra, and the Egyptian cobra along with others.

A second difference has to do with reproduction. Rinkhals snakes give live birth to their young while true cobras lay eggs.

You’ll find another difference in the texture of the scales of Rinkhals snakes and true cobras. Rinkhals snakes have keeled or ridged scales whereas true cobras have smooth scales.

Rinkhals Snake Venom: How Dangerous Are They?

The Rinkhals snake is considered extremely venomous. However, bites from this snake are rare.

If this snake encounters a human in its grassland habitat, it’s more than likely going to rush toward a hiding place. In other instances, this snake tries a very different tactic to avoid harm.

It plays dead in an effort to make the threat go away. Of course, there are times when a Rinkhals snake rises up and expands its hood as a way to scare off a threat. It can spit its venom a distance of over nine feet.

Anyone who is hit in the eyes with this snake’s venom is going to experience burning, blurry vision, and can even suffer blindness. The venom should be washed out of the eyes right away. Then, seek treatment at a nearby hospital to evaluate and address any damage to the eyes. Sometimes this snake’s venom can damage the cornea of a human or animal’s eyes.

A bite from this snake is painful and causes swelling as well as tissue damage.
If someone does get a bite from a Rinkhals snake, the first thing to do is seek medical treatment at a hospital. Don’t wrap the wound or try to remove the venom. There are effective antivenoms for this snake’s bite.

On a positive note, death from this snake’s bite is a rarity. The last human death from a Rinkhals snake bite was recorded 40 years ago.

Rinkhals Snake Behavior and Humans

Rinkhals snakes are timid and avoid conflict if possible. Unfortunately, these snakes sometimes find their way into areas where they encounter pet dogs. Dogs that bark at, charge, and otherwise threaten this snake are sometimes bitten. Taking the dog to a veterinarian right away is necessary to treat this venomous snake’s bite. A veterinarian will know how to render treatment to a dog that’s been bitten by a venomous snake.

If a person happens upon a Rinkhals snake lying on its back in a grassy area or elsewhere, it’s not advisable to try to touch or move the snake. There’s an excellent chance the snake is still alive! These snakes are very convincing at playing dead to avoid a conflict. They turn over on their back, lie still and even open their mouth to appear injured. Picking up a Rinkhals snake that’s playing dead can definitely lead to a bite. The best thing to do is to leave the snake alone and walk away.

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Sources

  1. https://www.africansnakebiteinstitute.com/snake/rinkhals/
  2. https://www.iucnredlist.org/species/177556/115659071
  3. https://en.wikipedia.org/wiki/Naja
  4. https://www.monaconatureencyclopedia.com/hemachatus-haemachatus/?lang=en
  5. https://en.wikipedia.org/wiki/Rinkhals
  6. https://animals.sandiegozoo.org/animals/cobra
  7. https://learnnaturalfarming.com/is-a-rinkhals-bite-deadly/
  8. https://www.aboutanimals.com/reptile/rinkhals/
Austin S.

About the Author

Austin S.

Growing up in rural New England on a small scale farm gave me a lifelong passion for animals. I love learning about new wild animal species, habitats, animal evolutions, dogs, cats, and more. I've always been surrounded by pets and believe the best dog and best cat products are important to keeping our animals happy and healthy. It's my mission to help you learn more about wild animals, and how to care for your pets better with carefully reviewed products.
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