Species:  Rivulus tenuis
Description: Meek, 1904
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 ITCF unpublished report.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 159-160
Rich Serva & Gina Tash, American Livebearer Association, 1998. In Search of the 'Wild' Red Swordtail (amongst other things)
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Abstract:  
Synonyms:
  • "Dogtooth Rivulus"
  • Cynodontichtyes tenuis (Meek, 1904)
  • "Mayan rivulus"
  • Rivulus Godman
  • The "slender" Rivulus
    		•
    Type Locality: El Hule, Estado de Oaxaca, Mexico.
    Distribution: Range from Central Mexico to Costa Rica Belize: Found in lowland areas across the length of Belize Districts: Belize, Orange Walk, Stann Creek, Toledo, Corozal Burdon Canal Nature Reserve Columbia River Forest Reserve Deep River Forest Reserve Swasey-Bladen Forest Reserve Costa Rica: Guatemala:
    Biotope: At Rio Teapa near Puyacatengo the river flows slowly but contains large whirlpools. Here Rivulus tenuis is found alongside Gambusia sexradiata and maculatus platy. The Rivulus hide in the vegetation at the water's edge whilst the Gambusia swim freely along the sides of the river.
    Size: Males & females: 6 - 7 cm
    Characteristics:  
    Variations:  
    History:  
    Gallery:  
    Populations:
  • Belize 98
  • "Juan Vicente"
  • "Papaloapam" (Rio Papaloapan?)
  • "Rio Chajmaic" (Guatemala)
  • "Sabancui"
  • "San Francisco"
  • "Tako Talpu"
  • "Tancochapa Playa"
  • "Villa Hermosa" (Campeche, Mexico)
    • Breeding: This species is a top spawner. They can live up to 4 or 5 years.
    Incubation:  
    Egg Diameter: 2 mm
    Remarks:  
    Contributors: David Baker
    Links: FishBase o Google o Google Image Search
    Belize Biodiversity Information System
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