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Mangrove gambusia

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(Redirected from Gambusia rhizophorae) Species of fish

Mangrove gambusia
Conservation status

Least Concern  (IUCN 3.1)

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Poeciliidae
Genus: Gambusia
Species: G. rhizophorae
Binomial name
Gambusia rhizophorae
Rivas, 1969
Female above, male below.

The Mangrove gambusia (Gambusia rhizophorae) is a tropical poeciliid (live bearing) fish species with a restricted, disjunct range one in northwestern Cuba, the other in southeastern Florida. The Florida population has been recently listed as "biologically vulnerable" (vulnerable to extinction because of the taxon’s biology or other indicators) by the Florida Fish and Wildlife Conservation Commission.

Species description

The Mangrove gambusia is a brackish fish, typically a resident of sheltered mangrove forests. In Florida, the species is distributed from Fort Lauderdale, south along the mainland coast, and throughout the Florida Keys to Key West. Its distribution in Florida appears to be temperature limited (Getter, 1982). The exact location of the Cuban population is being examined to allow a map of its distribution to be produced.

Florida populations of Mangrove gambusia in relation to 17 degree winter isotherm from data of Charles Getter

Conservation

Habitat destruction for development has reduced available habitats through loss of a number of mangrove forests and formerly occupied sites (Charles Getter, 1976) in Florida. Also contributing to biological vulnerability is the species' limited habitat, temperature restrictions, and hybridization with other species throughout its range (Charles Getter, 1976). One of the largest populations known for the Mangrove gambusia was the lush 100+ acre mangrove forest known as the "Cocoplum Islands" that was developed into the Cocoplum Development in the mid-1970s.

Biology and life history

Ongoing research is underway by Dr. Charles Getter, who has studied the species since the 1970s.

References

  1. Vega-Cendejas, M.; Espinosa-Perez, H.; Tolan, J.; Collette, B.B.; Jelks, H.; Chao, L. (2020). "Gambusia rhizophorae". IUCN Red List of Threatened Species. 2020: e.T46103983A185166576. doi:10.2305/IUCN.UK.2020-3.RLTS.T46103983A185166576.en. Retrieved 20 November 2021.
  2. "Gambusia rhizophorae - Rivas, 1969". NatureServe Explorer. Retrieved 3 November 2019.
  3. Froese, Rainer; Pauly, Daniel (eds.). "Gambusia rhizophorae". FishBase. August 2019 version.
  • Charles Getter. 1976. The systematics and biology of the poeciliid fish, Gambusia rhizophorae with an account of its hybridization with Gambusia affinis and Gambusia punctata. Master's Thesis. University of Miami, 258 pages.
  • Florida Fish and Wildlife Conservation Commission. 2005. Species of greatest conservation need.
  • Charles Getter, 1982. Temperature limitations to the distribution of mangrove mosquitofish in Florida. Florida Scientist 45(3):196-200.
  • "Natural and Anthropogenic Events Impacting Florida Bay 1910 - 1994 Time Line" (PDF). NOAA. Archived from the original (PDF) on March 9, 2013. Public Domain This article incorporates text from this source, which is in the public domain.
Taxon identifiers
Gambusia rhizophorae
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