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Gambian Pouch Rat - Cricetomys gambianus

Florida's Nonnative Wildlife. Species detail.

First year: 2002

Extirpated year:

Established status: Species are present and breeding but for less than 10 years.

Estimated Florida range: 1 county Less than 10 years

Statewide trend: Unknown status

Threats to natives: Omnivorous and could prey upon or compete with native birds and mammals. If they reach Key Largo, they could compete with listed species like the Key Largo woodrat.

Species Account: The Gambian pouch rat ranges from Senegal to central Sudan and down to South Africa, where they live in natural crevices and holes, termite mounds, or hollow trees in forests, thickets, and around human habitations. It is typically nocturnal, has a keen sense of smell, and feeds on insects, snails, nuts, seeds, and fruit. The body color is gray to brown and the belly is paler. The feet are almost white and most of the tail is dark gray, but the final third is off white. The large ears and tail are covered with fine hairs. They are the world's largest rat, reaching up to 9 lb, and were imported as pets until importation was banned in 2003 due to the Monkey Pox outbreak. They can have 5 litters in 9 months with an average of 4 young per litter. Six or 7 animals were released on Grassy Key by a breeder in 2000-2002 and have multiplied and spread. Several have been trapped on Grassy Key, and an attempt will be made to eradicate the population. There is 1 unsubstantiated report from Key Largo and an apparently credible sighting on Marathon (R. Grau, FFWCC, personal communication).

County First Year Extirpated YearBreeding statusNotes
MONROE 2000-2002  Less than 10 years Grassy Key (R. Grau, FFWCC, personal communication)

Gambian Pouched Rat Bioprofile

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