Lexi Webster
Fishing sinkers are weights used with a fishing hook to improve its sink rate, anchoring ability, and casting distance. Sinkers are made of various materials, including lead, steel, brass, and bismuth. In Australia, sinkers are commonly made of lead, although iron-based sinkers are also available. Lead is favoured due to its low cost, ease of production, resistance to corrosion, and density. However, lead poisoning is a concern, and lead sinkers have been outlawed in some countries and US and Canadian national parks.
| Characteristics | Values |
|---|---|
| Purpose | Used in conjunction with a fishing hook to improve its sink rate, anchoring ability and casting distance |
| Material | Lead, iron, copper, steel, brass, bismuth, or ceramic |
| Shape | Pyramid, barrel, egg, split-shot, bullet, Dipsey, bank, claw, ball, Snapper |
| Weight | 1 gram (0.035 oz) for shallow water, up to several pounds (>1 kg) for deep sea fishing |
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What You'll Learn
Sinkers are made of lead in Australia
Sinkers are an essential component of fishing tackle boxes in Australia. They are weights used in conjunction with a fishing hook to improve its sink rate, anchoring ability, and casting distance. Sinkers are typically made of lead due to its low cost, ease of production and casting, chemical inertness, and density. Lead is also used because it is dense, allowing the sinkers to be as small as possible and minimise visual cues that could drive fish away.
However, lead is known to cause lead poisoning and can enter the environment when sinkers are lost during fishing. This has led to concerns about the environmental impact of using lead sinkers, with some organisations advocating for the use of alternative materials such as iron, copper, steel, brass, or ceramic. Despite these concerns, lead sinkers are still widely used in Australia, with some companies selling sinkers made from 100% Australian lead.
The weight of the sinker is an important consideration for anglers, depending on the fishing environment and the type of fish being pursued. For surf fishing, a lead weight of 4 to 5 ounces is usually sufficient, while a powerful current may require a weight of up to 8 ounces or the use of breakaway sinkers. Sinkers come in various shapes, including pyramid, barrel or egg-shaped, bullet-shaped, and claw-shaped, each designed for different fishing applications.
The correct choice of sinker, along with the right hook and bait, is crucial for effective fishing in Australia. Anglers need to consider the casting distance, anchoring ability, and resistance provided by the sinker to maximise their chances of catching the desired fish.
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Environmental concerns about lead
Sinkers, which are used in fishing to improve a hook's sink rate, anchoring ability, and casting distance, are generally made of lead. In Australia, sinkers such as Snapper Sinkers are made from Australian-sourced lead.
Lead is a chemically resistant metal that is toxic and harmful to the environment. It is persistent in the environment and can accumulate in the soil, water, and air. Lead gets added to soils and sediments through deposition from air sources, direct discharge of waste streams into water bodies, mining, and erosion. It is also present in paints, which can be ingested by young children, leading to elevated lead levels in the body and an increased risk of neurological, behavioral, and learning deficits.
The major sources of lead emissions include ore and metals processing, piston-engine aircraft operating on leaded aviation fuel, waste incinerators, utilities, and lead-acid battery manufacturers. Lead emissions from the transportation sector, especially from vehicles using leaded gasoline, have significantly declined over the years due to regulatory efforts. However, lead is still present in many soils, especially urban soils, and can be resuspended into the air.
Elevated levels of lead in the environment can result in adverse effects on ecosystems, including decreased growth and reproduction in plants and animals, and neurological issues in vertebrates. It can also impact various bodily systems in humans, such as the nervous system, kidney function, immune system, reproductive and developmental systems, and the cardiovascular system. Lead exposure also affects the oxygen-carrying capacity of the blood.
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Alternative materials to lead
Sinkers, also known as fishing weights, are traditionally made of lead. Lead is a well-known toxin, and ingestion of lead sinkers by birds can be lethal. This has led to the development of alternative materials for sinkers, which are detailed below:
Steel
Steel is a good alternative for sinkers as it is relatively heavy and does not possess the negative health impacts of lead. It is also cheaper compared to other alternatives. Steel is suitable for slip sinkers with pre-fabricated holes in the weights or dropper weights that can be tied off. However, steel is not suitable for split shots or weights that need to be pinched.
Tungsten
Tungsten is another alternative to lead sinkers, but it is more expensive and primarily mined and smelted in China. It is also not suitable for weights above 2 oz.
Brass
Brass is commonly used in the fishing industry, especially by bass anglers who use brass weights in Texas rigs. The loud sound produced when brass weights bang against each other is said to attract fish out of thick weeds. Brass is also used for larger weights such as bottom bouncers and walking sinkers. However, brass is expensive and hard, making it unsuitable for products that need to be crimped.
Tin
Tin is lighter than steel but softer, making it suitable for split shot material.
Clay/Pottery-Based Weights
Clay or pottery-based weights have been marketed as alternatives to lead sinkers, but they have met with limited success.
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Sinkers in different shapes
Sinkers, also known as fishing weights, are used in conjunction with a fishing hook to improve its sink rate, anchoring ability, and casting distance. They are an essential component of tackle boxes carried by anglers in Australia. The weight of the sinker is important as the heavier it is, the more resistance it provides, and the more likely a fish will sense that something is wrong.
There are many different shapes of sinkers available on the market. The simplest split-shot sinkers work in some circumstances, while pyramid-shaped sinkers are perfect for other approaches. The pyramid shape allows these sinkers to dig into soft surfaces such as sand or mud, allowing the bait to be held still in a current, and they also drop to the bottom very quickly. Split-shot sinkers are easy to get on and off the line and are perfect for when you need a little extra weight.
If you are fishing in moving water, it is worth using bank sinkers. These are long and rounded with a small hole at the top where the line attaches. Torpedo-shaped sinkers cast very far, but they are more expensive than other sinkers, and the spikes can sometimes get tangled in your line.
Egg sinkers are shaped like eggs and have a hole through the centre where the line attaches. They are useful in some situations but are generally a lower priority to buy when starting out. Bullet sinkers are cone-shaped weights with a hole in the middle and are usually associated with soft plastics.
Other sinker shapes include bell-shaped sinkers, which attach to the line via a ring at the top of the bell and are used for fishing below the hook and dragging on the bottom; ball sinkers, which are spherical soft lead weights with a groove running through them; and Snapper sinkers, which have a more rounded shape to reduce drag on the drop and retrieve.
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Sinker weight and its function
Sinker weight plays a crucial role in fishing, as it directly impacts the effectiveness of your fishing rig. Sinkers, also known as fishing weights, are used in conjunction with a fishing lure or hook to improve sink rate, anchoring ability, and casting distance. The weight of the sinker determines how quickly your lure or bait sinks in the water and how well it anchors in the current.
When choosing a sinker weight, it's important to consider the casting distance and the strength of the current. For surf fishing, a heavier sinker may be required to counteract strong currents and keep your rig in place. In contrast, a lighter sinker may be more suitable for fishing in shallow water or when using lighter fishing lines.
The weight of the sinker also depends on the type of fishing you're doing. For example, deep-sea fishing requires larger sinkers, sometimes weighing several pounds, to reach the greater depths. On the other hand, fly fishing applications use even smaller sinkers than those used in shallow water, which are typically around 1 gram or less.
The shape of the sinker is also an important consideration. Different shapes are used for different fishing applications. For instance, pyramid sinkers are designed to anchor on the bottom of water bodies, while barrel or egg sinkers are ideal for use on rocky or debris-covered substrates. The shape of the sinker can affect its resistance in the water and its ability to anchor effectively.
In Australia, sinkers are traditionally made of lead due to its low cost, ease of production, resistance to corrosion, and density. However, there are growing environmental concerns about the use of lead, as it can cause lead poisoning and negatively impact aquatic life and ecosystems. As a result, non-lead sinkers made from materials like iron, copper, steel, brass, or ceramic are becoming more popular in Australia, with some states in the US and provinces in Canada having already banned lead sinkers.
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Frequently asked questions
Sinkers are weights used in fishing to improve the sink rate, anchoring ability, and casting distance of a fishing hook.
Sinkers are typically made of lead. However, due to environmental concerns, non-lead sinkers made of iron, copper, steel, brass, or ceramic are also available.
There are various types of sinkers, including pyramid sinkers, barrel or egg sinkers, split-shot sinkers, bullet sinkers, dipsey sinkers, bank sinkers, and claw sinkers.
The weight of sinkers can vary depending on the fishing application. They can range from as small as 1 gram for shallow water fishing to several pounds or more for deep sea fishing.
