Lexi Webster
Cone shells, also known as cone snails, are carnivorous hunters that use poisons to paralyse and kill their prey. They are found in the tropical, subtropical, and temperate waters of the Indian, Pacific, and Atlantic Oceans. Along the Australian coastline, cone shells can be found from north-western Australia to southern Queensland, with around 150 species known from Australia. They are often found under stones, sand, rubble, or even among weeds, depending on the species. The most famous cone shell found in northern Australian waters is Conus Geographus, also known as the Geographer's Cone, which has caused over 30 fatalities worldwide.
| Characteristics | Values |
|---|---|
| Location in Australia | From north Western Australia to southern Queensland |
| Global Location | Indian and Pacific Oceans, the Caribbean and Red seas |
| Habitat | Coral reefs, sandy bottoms, inter-tidal environments, under stones, sand, rubble, or weed |
| Water Type | Tropical, subtropical and temperate |
| Number of Species | 500-600 worldwide, 133 in the Great Barrier Reef, 150 in Australia |
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What You'll Learn
Cone shells are found in the Great Barrier Reef in Queensland
There are around 600 species of cone shells worldwide, of which 133 are believed to live in the waters of the Great Barrier Reef. They are characterised by their brightly patterned or coloured shells, which have led to them being described as "an underwater tank" by National Geographic. Despite their slow and methodical hunting style, cone shells are extremely dangerous and should be left alone if encountered.
The venom of some cone shell species contains some of the most potent neurotoxins known, and a sting from one can be lethal. The most toxic species are fish-eaters and are closely related, comprising six species in the subgenus Gastridium. Three of these, including C. geographus, are well-known and well-studied. C. geographus is one of the most famous cone shell species and is widely found in northern Australian waters. It has a pale violet or purple ground colour with a complex pattern of fine brownish stripes.
If you are stung by a cone shell, it is important to act quickly. First, immerse the affected area in water as hot as is tolerable. Then, use the pressure immobilisation technique with an elastic bandage to wrap the limb of the sting. It is important to bind the limb firmly, but not to block circulation – fingers and toes should remain pink. Stay as calm and still as possible while waiting for medical attention, as extreme cases may require CPR.
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They can be found in the Indian and Pacific Oceans
Cone shells, or cone snails, are found in the tropical, subtropical, and temperate waters of the Indian and Pacific Oceans. They are entirely marine and can be found under stones, sand, rubble, or even among weeds depending on the species. They are usually associated with coral reefs, sandy bottoms, and inter-tidal environments.
Along the Australian coastline, cone shells can be found from north-western Australia to southern Queensland. They are widely distributed throughout the Indian and Pacific Oceans, the Caribbean Sea, and the Red Sea. In Australia, they are often found in the Sydney region, extending from Wollongong to Newcastle and Lithgow, which is part of a large geological feature called the Sydney Basin.
The Great Barrier Reef in Queensland is home to a significant number of cone snail species, with around 133 believed to be living in its waters. The species found in this region include the Conus geographus, also known as the geographer's cone, which is one of the most well-known and toxic fish-eating species. The shell of the Conus geographus has a pale violet or purple ground colour with intricate patterns of fine brownish stripes. Stings from this species have resulted in over 30 fatalities worldwide.
The tropical species of cone shells have caused human fatalities. They are carnivorous hunters that use poisons to paralyse and kill their prey. They feed on snails, worms, and small fish. Their venom contains some of the most potent neurotoxins known, and a sting from one can be lethal. The symptoms of a cone snail sting include intense pain, numbness, or tingling in the affected area. In severe cases, victims may experience difficulty speaking, double vision, fainting, and respiratory paralysis.
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They are found in shallow waters and deep waters
Cone shells are found in the tropical, subtropical, and temperate waters of the Indian, Pacific, and Atlantic Oceans. They are commonly found in shallow waters, where they inhabit reefs, ponds, and rubble, often burrowing under the sand. Their siphon, which they use for respiration, may be the only visible body part. Cone shells are typically found in tropical regions around the Australian coastline, on the eastern and western coasts, generally south to about latitude 30°S.
The shallow-water species of cone shells are relatively well-known, but many new species are being discovered in deeper waters. In the deep seas of southern Australia, researchers have identified a previously unknown fauna, including several venomous deep-sea snail species.
One of the most famous cone shells, the Conus Geographus or Geographer's Cone, is found in northern Australian waters. It has a pale violet or purple ground colour with intricate brownish stripes. The stings from this species have resulted in over 30 fatalities worldwide.
The cone shell's venom is unique, and it uses harpoon-like, barbed darts to inject it into its prey. They feed on snails, worms, and small fish, immobilising them with their venom. If a human is stung, immediate medical attention is required.
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They are found under stones, sand, rubble, coral reefs and seagrass
Cone shells are found in the tropical, subtropical, and temperate waters of the Indian, Pacific, and Atlantic Oceans. In Australia, they can be found from north-western Australia to southern Queensland, but they are also found in the Great Barrier Reef in Queensland and in Victoria.
Cone snails are entirely marine and are commonly found under stones, sand, and rubble, or even among the seagrass, depending on the species. They are usually associated with coral reefs, sandy bottoms, and inter-tidal environments. They are well-camouflaged and can be difficult to spot, but their brightly patterned or coloured shells make them stand out from their surroundings.
Along the Australian coastline, cone shells can be found in a variety of habitats, including under rocks and in seagrass beds. They are often found in shallow waters, but they can also be found in deeper waters. Shallow-water species are relatively well-known, but new species are still being discovered in the abyssal depths surrounding Australia.
The cone snail's preferred habitat depends on its species. Some species prefer the shelter of rocks and rubble, while others may favour the sandy bottoms of coral reefs or the seagrass beds of inter-tidal zones. The seagrass provides cover and a source of food, as cone snails feed on snails, worms, and small fish that may be found hiding in the seagrass.
It is important to remember that cone shells are highly venomous and can be dangerous to humans. If you see a cone shell on the beach, it is best to leave it alone, as it may still have a living animal inside.
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They are found from north Western Australia to southern Queensland
Cone shells are found across a large expanse of the Australian coastline, from northern Western Australia to southern Queensland. This vast range encompasses diverse habitats and ecological regions, reflecting the adaptability and diverse nature of these marine creatures.
In Western Australia, cone shells are prevalent in the state's northern regions, including areas like the Kimberley and Pilbara. These regions are known for their rugged landscapes and pristine coastal environments, providing a unique habitat for cone shells and other marine life. The warm waters and rich marine ecosystems of Western Australia's north offer favourable conditions for cone shells to thrive.
As you move eastwards, cone shells continue to be a prominent feature along the Northern Territory's coastline. The
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Frequently asked questions
Cone shells can be found in the tropical, subtropical, and temperate waters of the Indian and Pacific Oceans, along the Australian coastline from north-western Australia to southern Queensland.
Yes, cone shells are dangerous. They are toxic to varying degrees and a sting from one can be lethal.
You should leave cone shells alone as they can be dangerous. If you are stung by one, you should seek immediate medical attention.
Cone shells are brightly patterned or coloured. The most famous cone shell, the Conus Geographus, has a pale violet or purple ground colour with intricate brownish stripes.
Cone shells are carnivorous hunters that use poisons to paralyse and kill their prey. They extend their proboscis towards their prey and release a harpoon-like barbed dart coated with venom to inject into their victim.
