Electric fishing

Devices and equipment for electric fishing

Electric Fishing Equipment

Electric fishing equipment is primarily used for scientific studies of fish populations and sometimes for aquatic resource management operations. This method allows fish to be temporarily captured without injury, so they can be identified, measured, and released.

Electric Fishing Generator

This is the main component of the device. It converts the energy from a battery or a generator into a pulsed electric current sent into the water. It is often portable (worn as a backpack) or installed on a boat for larger areas.

Anode and Cathode

The anode (often a metal pole with a ring at its end) disperses the electric current into the water.

The cathode is usually a cable or a metal plate submerged in water, ensuring the electrical circuit is completed.

Power Source

Batteries (for portable devices): Usually lithium-ion or lead-acid, they must be powerful enough to ensure efficient operation.

Gasoline generators (for onboard or fixed systems): Used for operations requiring more power.

Safety Equipment

  • Insulated suits and gloves to prevent electrocution.
  • Emergency switches to immediately cut off the current in case of an issue.
  • Signage or markers to prevent accidents with other water users.
  • Fish Capture and Handling Equipment
  • Insulated nets to retrieve fish without the risk of an electric shock.
  • Water-filled tanks to hold fish after capture.
  • Measuring instruments (scales, measuring tape) and tagging equipment for scientific studies.

This equipment is used by trained professionals, as electric fishing is a regulated technique requiring specific authorizations.

AQUACULTURE France distributes a wide range of electric fishing equipment.

Subcategories

  • EFKO range
    EFKO range

    An electric fishing device, also known as an electrofisher or electrofishing unit, is a device primarily used to capture or study freshwater fish in a temporarily non-lethal manner. Below is a general description of how it works and its components:

    1. General Description

    The electric fishing device emits an electric current into the water to trigger a reaction in the fish known as galvanotaxis: the fish are drawn toward the positive electrode (anode), making them easier to catch using a net.

    2. Main Components

    Power Generator

    • Portable device (often worn as a backpack) or stationary.

    • Produces pulsed direct current (DC) or alternating current (AC).

    • Adjustable voltage (typically between 100 and 600 volts).

    3. Anode (Positive Electrode)

    • Often a metal ring attached to the end of a pole.

    • Operated by the user to direct the electric field.

    4. Cathode (Negative Electrode)

    • Immersed in the water (often dragged behind the operator or attached to their belt).

    • Completes the electric circuit.

    5. Power Source

    • Rechargeable battery (commonly lead-acid or lithium).

    • Must provide enough power to generate the electric field in the water.

    6. Usage

    • Scientific studies (fish population surveys, monitoring, etc.).

    • Fisheries management (fish relocation, restocking, etc.).

    • Conservation efforts (relocating endangered species, controlling invasive species).

    7. Safety and Regulations

    • The use of these devices is regulated in many countries (permits, required training, etc.).

    • The current can be dangerous to humans and animals if misused.

    • Should only be operated by trained personnel using proper protective equipment.

  • HANS GRASSL range
    HANS GRASSL range

    An electric fishing device, also known as an electrofisher or electrofishing unit, is a device primarily used to capture or study freshwater fish in a temporarily non-lethal manner. Below is a general description of how it works and its components:

    1. General Description

    The electric fishing device emits an electric current into the water to trigger a reaction in the fish known as galvanotaxis: the fish are drawn toward the positive electrode (anode), making them easier to catch using a net.

    2. Main Components

    Power Generator

    • Portable device (often worn as a backpack) or stationary.

    • Produces pulsed direct current (DC) or alternating current (AC).

    • Adjustable voltage (typically between 100 and 600 volts).

    3. Anode (Positive Electrode)

    • Often a metal ring attached to the end of a pole.

    • Operated by the user to direct the electric field.

    4. Cathode (Negative Electrode)

    • Immersed in the water (often dragged behind the operator or attached to their belt).

    • Completes the electric circuit.

    5. Power Source

    • Rechargeable battery (commonly lead-acid or lithium).

    • Must provide enough power to generate the electric field in the water.

    6. Usage

    • Scientific studies (fish population surveys, monitoring, etc.).

    • Fisheries management (fish relocation, restocking, etc.).

    • Conservation efforts (relocating endangered species, controlling invasive species).

    7. Safety and Regulations

    • The use of these devices is regulated in many countries (permits, required training, etc.).

    • The current can be dangerous to humans and animals if misused.

    • Should only be operated by trained personnel using proper protective equipment.

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