Projects

Gambusia Management

Eastern Gambusia (Gambusia holbrooki)

Gambusia (also known as the mosquito or devil fish) is an introduced pest fish from the Gulf of Mexico in North America. It preys on the eggs and young of native frogs and fish in the Tamar estuary and competes for food and shelter with native species.

A single female is able to give birth to an average of 450 live young over the summer breeding season. The listed vulnerable Green and Golden Frog (Litoria raniformis) is particularly affected, as Gambusia continue to attack and ‘fin nip’ larger tadpoles. This drives tadpoles away from the best sources of food and shelter and forces them to spend time hiding rather than feeding. Preventing these local impacts from becoming state wide is of critical importance.

If you come across a Gambusia, please do not move – check all boating and fishing equipment to avoid infecting other areas. 

Fines of up to $25,000 apply to people found moving or possessing Gambusia.

Please report all sightings of Gambusia to the Inland Fisheries Service on 1300 INFISH or infish@ifs.tas.gov.au

 

 

Supported by
Tasmania - Explore the possibilitiesLaunceston City CouncilWest Tamar CouncilGeorge Town CouncilNorthern Midlands CouncilMeander Valley CouncilHydro Tasmania

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