''Neofundulus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Rivulidae The Rivulidae are a family of killifishes in the order Cyprinodontiformes. They are commonly known as rivulids, South American killifish or New World killifish. The latter names are slightly misleading, however, as they are neither restricted to ...

. These annual

killifish A killifish is any of various oviparous (egg-laying) cyprinodontiform fish (including families Aplocheilidae, Cyprinodontidae, Fundulidae, Profundulidae and Valenciidae). All together, there are 1,270 species of killifish, the biggest family ...

are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

, Guaporé, Mamoré and São Francisco basins in Argentina, Bolivia, Brazil and Paraguay.Nielsen, D.T.B. & Brousseau, R. (2013): Description of a new species of annual fish of the genus ''Neofundulus'' (Cyprinodontiformes: Rivulidae) from the upper río Mamoré basin, Bolivia. ''aqua, International Journal of Ichthyology, 19 (3): 109-114.'' They inhabit temporary waters, such as swamps or ponds, that typically are located in open habitats like grassland. Once the water disappears, the adults die, but the eggs that have been laid in the bottom remain, only hatching after several months when the water returns. They are small fish, with the largest species up to in

total length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish ...

Species

There are currently 8 recognized species in this genus: * '' Neofundulus acutirostratus'' W. J. E. M. Costa, 1992 * ''

Neofundulus aureomaculatus ''Neofundulus'' is a genus of fish in the family (biology), family Rivulidae. These annual killifish are Endemism, endemic to the Paraguay River, Paraguay, Guaporé River, Guaporé, Mamoré River, Mamoré and São Francisco River, São Francisc ...

'' W. J. E. M. Costa, 2015 * '' Neofundulus guaporensis'' W. J. E. M. Costa, 1988 * '' Neofundulus ornatipinnis'' G. S. Myers, 1935 * '' Neofundulus paraguayensis'' ( C. H. Eigenmann & C. H. Kennedy, 1903) * '' Neofundulus parvipinnis'' W. J. E. M. Costa, 1988 * '' Neofundulus rubrofasciatus'' W. J. E. M. Costa, 2015 * '' Neofundulus splendidus'' D. T. B. Nielsen & Brousseau, 2013

References

Rivulidae Freshwater fish genera Taxa named by George S. Myers {{Cyprinodontiformes-stub