Species:  Rivulus marmoratus
Description: Poey, 1880
Etymology:  
References: Greenfield, D. W., J. E. Thomerson. 1997. Fishes of the Continental Waters of Belize. University of Florida Press.
de Rahm, Patrick. 1990. Summary Report of the Freshwater Fishes and Aquatic Ecosystems Observed in Belize. ITCF unpublished report.
Dr Lothar Seegers, Killifishes of the World: New World Killis, Aqualog Verlag pg 145-146

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Abstract:  
Synonyms:
  • "Marmorated Rivulus"
  • "Mangrove Rivulus"
  • Rivulus ocellatus
  • Rivulus heyei (Nichols, 1914)
  • Rivulus marmoratus bonairensis (Hoedeman, 1958)
  • Rivulus bonairensis (Hoedeman, 1958)
  • Rivulus garciae (de la Cruz and Dubitsky, 1976)
  • Rivulus garciai (de la Cruz and Dubitsky, 1976)
  • Type Locality:  
    Distribution: Found in the tropical and subtropical portions of the western Atlantic and Caribbean basins. Stretching from Florida to the Bahamas, Caribbean, Brazil including the Yucatan and Venezuela. Parallels that of the range of the red mangrove. Belize: Shipstern Nature Reserve, Corozal Burdon Canal Nature Reserve, Belize
    Biotope: Red mangrove forests in small crab burrows and pools of water ranging from brackish to salt water.
    Size: 4 - 6 cm
    Characteristics:  
    Variations:  
    History:
  • Kristensen (1957)
  • Klee (1962a)
  • Thomerson (1966)
  • Whiddon (1977)
  • Goldstein (1972a,b)
  • Bohm (1979)
  • Cassel (1982,1983)
  • McKee (1982a, n d)
  • Sprecht (1985)
  • Gallery:  
    Populations:
  • "Dangriga Belize"
  • "Terra Ceia"
  • Breeding: The hermaphrodite form is able to fertilize their own eggs internally, producing viable offspring. Each hermaphroditic fish produces both sperm and eggs.
    Incubation:  
    Egg Diameter: 1.7 - 1.8 mm
    Remarks: Has the widest range of a ny Rivulus. Famed for having an hermaphrodite form and once being on the CITES red list before more populations were discovered.
    Contributors:  
    Links: FishBase o Google o Google Image Search
    Belize Biodiversity Information System
    Mangrove Rivulus - Florida Museum of Natural History
    Rivulus marmoratus Webpage
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    2004 South American Annuals Study Group