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Nutria - Myocastor coypus

First year:

Extirpated year:

Established status: Species are present but not confirmed to be breeding. Population persists only with repeated introductions and/or escapes of individuals.

Estimated Florida range: 1 county At least 10 years, 9 counties Not reported breeding

Statewide trend: Unknown status

Threats to natives: Unknown threat in Florida. In England, nutria have caused considerable damage to aquatic habitats, but after there for 50 years, it was eradicated in 1989.

Species Account: Aquatic species native of South America has been in Florida since at least 1955 and entered the state from fur farms and from some releases for aquatic vegetation control. They have been reported over a wide area of the state at various times, but populations seem ephemeral in most areas. Current distribution in Florida is not known, although the animals are consistently reported from the Tampa Bay area, Hillsborough county.

Habitats: Freshwater marsh

County First Year Extirpated YearBreeding statusNotes
ALACHUA   Not reported breeding  
BREVARD   Not reported breeding  
ESCAMBIA   Not reported breeding  
HILLSBOROUGH   At least 10 years  
INDIAN RIVER   Not reported breeding  
JEFFERSON   Not reported breeding  
OKALOOSA   Not reported breeding  
SAINT JOHNS   Not reported breeding  
SANTA ROSA   Not reported breeding  
WALTON   Not reported breeding  

References

Layne, J. 1997. Nonindigenous Mammals. Pages 157-186 in Strangers in Paradise: impact and management of nonindigenous species in Florida (Simberloff,D., D. Schmitz, and T. Brown, eds.). Island Press, Washington, D. C.

Links to more information

Invasive Species account

Mammals of Texas info

Back to Nonnative Mammals

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