Mainstream Fisheries Ltd | Electro Fishing
At Mainstream Fisheries we take pride in being one of the leading companies in the UK's fisheries and aquaculture industry. We provide a wide range of services across the UK.
Fish Farms, Coarse Fish, Stock Fish, Electro Fishing, Aquatic Plant Supply
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Electro Fishing

We use high voltage pulse and Smooth DC electro fishing equipment including a 6 anode Boom Boat for shallow lakes, or 3 metre anodes for lakes and reservoirs. We have anodes with 50 metre long cables for shallow areas which are not accessible with a boat.

Our electro fishing equipment is harmless to fish stocks, including salmonoids, we have years of experience using electro fishing equipment giving us the best electro fishing service around.

We have gained a wide range of experience on larger water bodies in this country and in Northern and Southern Ireland working on all of the major loughs in Ireland. This High Voltage equipment works in all freshwater bodies including acidic loughs in Ireland, Scotland and Wales where normal electro fishing units would be unsuccessful.

Training and demonstrations using the High Voltage equipment is available on request.

What is Electro Fishing?

Electrofishing is a fishing method developed to catch fish without causing long term injuries. It involves placing a pair of electrodes (an anode and a cathode) into the water and passing a current through the water. The voltage stuns the fish, allowing them to be easily collected. Fish are generally recovered enough to be returned to the water within a few minutes.
Voltage can be altered to reflect different conditions, and various fish types react differently to various voltages, allowing certain fish populations to be targeted for surveying and population control measures.
There are three basic types of electrofishing, which are based on the way the system is carried.

Backpack mounted models can be electric or gas powered. The anode on these models is mounted to the end of a long pole, usually around 2m, and is a ring or hoop. The cathode is a wide cable of around 3m in length, which is left to trail through the water after the operator.

Bankside equipment is set up in a similar fashion, but can be of greater size as it is either set on the bank or on a floating barge. Its area of effect is larger due to using longer anodes and cathodes.

Boat electrofishing is slightly different. The cathode is the boat hull, and the anode is mounted forward of the bow with a lure. When the fish approach the lure, they are stunned and caught. As with anything involving open electrical connections, electrofishing can be hazardous. High voltage connections and water are a bad mix. Safety precautions and user training are of paramount importance. Additionally, all equipment must be safety tested and fit for use, and insulated clothing should be worn.

Always have a fully trained first aider on site capable of isolating equipment and calling for medical aid if necessary.