Mangrove gambusia
(Gambusia rhizophorae)

Image source: ccohen | inaturalist.org

Classification

Species: Gambusia rhizophorae
Genus: Gambusia

General data

Scientific names: Mangrove gambusia
Habitat: Freshwater
Climates: Tropical, Subtropical
Distribution:

North America: southeastern Florida in USA and Cuba.
Max lengt : 5.cm TL
Inhabits tidal creeks under high-storied red mangroves. Vulnerable because of its highly specific habitat requirements. Viviparous.