Neofundulus paraguayensis, Eigenmann & Kennedy 1903
History

N. paraguayensis (Eigenmann and Kennedy, 1903) and N. ornatipinnis Myers, 1935, both annual, belong to the genus Neofundulus Myers (1924). Their status has been so confused that, on the one hand some authors have synonymized them, while on the other Parenti (1981), in her cladistic revision of the Cyprinodonts, used the two species as the types of two different genera, one unnamed. The type localities of N. paraguayensis and N. ornatipinnis have respectively the following geographical coordinates: 24.82S; 54.06W and 23.42 S; 58.32 W (Huber, 1994), each other distant by 170 kms. Despite this relative proximity and similar color patterns, the brazilian ichthyologist Wilson Costa (1988, 1992) has kept valid the two taxa, after having reviewed the genus and described 2 then 1 new brasilian species.

 

  
Neofundulus paraguayensis - juvenile male. KCA 34/08 - Rio de Oro, Resistencia Northe, Argentina. © Image made by F.Vermeulen.
Neofundulus paraguayensis - adult male. KCA 34/08 - Rio de Oro, Resistencia Northe, Argentina. © Image made by F.Vermeulen.
Neofundulus_paraguayensis - female. KCA 34/08 - Rio de Oro, Resistencia Northe, Argentina. © Image made by F.Vermeulen.
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Reproduction

 

  

 
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Variations
Habitat of: Austrolebias vandenbergi ,Neofundulus species, Papiolebias bitteri and Trigonectes aplocheiloides. © Image donated by Martin Fourcade, Argentina.
Neofundulus paraguayensis - pair. © Image made by F.Vermeulen.
Neofundulus paraguayensis - male. © Image made by F.Vermeulen.
Neofundulus paraguayensis - adult male. © Image made and donated by: Martin Fourcade, Argentina.
Neofundulus paraguayensis - young male from unknown location. © Image made by F.Vermeulen.
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Map
   
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Meristics

Max. size 7.0 cm.
Dorsal 13.5
Anal 15.0,
D/A 2.0,
LL scale count (average)35.5
Pre- dorsal length to % SL – 67.3 %
Depth to % SL – 24.0 %

   
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Literature

Eigenmann, C.H. & C.H. Kennedy. 1903. On a Collection of Fishesfrom Paraguay with a Synopsis of the American Genera of Cichlids. Proc. Acad. Nat. Sci. Philad., 55: 530.

   
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