''Hypsolebias'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of small
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% ...
in the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
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 ...
that 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 els ...
the
Caatinga
Caatinga (, ) is a type of semi-arid tropical vegetation, and an ecoregion characterized by this vegetation in interior northeastern Brazil. The name "Caatinga" is a Tupi word meaning "white forest" or "white vegetation" (''caa'' = forest, v ...
,
Cerrado
The ''Cerrado'' (, ) is a vast ecoregion of tropical savanna in eastern Brazil, particularly in the states of Goiás, Mato Grosso do Sul, Mato Grosso, Tocantins, Minas Gerais, and the Federal District. The core areas of the Cerrado biome are ...
and nearby regions in Brazil. The greatest
species richness
Species richness is the number of different species represented in an ecological community, landscape or region. Species richness is simply a count of species, and it does not take into account the abundances of the species or their relative ab ...
is in the
São Francisco River
The São Francisco River (, ) is a large river in Brazil. With a length of , it is the longest river that runs entirely in Brazilian territory, and the fourth longest in South America and overall in Brazil (after the Amazon, the Paraná and t ...
basin, but there are also species in the
Tocantins
Tocantins () is one of the 26 states of Brazil. It is the newest state, formed in 1988 and encompassing what had formerly been the northern two-fifths of the state of Goiás. Tocantins covers and had an estimated population of 1,496,880 in 2 ...
,
Jequitinhonha Jequitinhonha is a Brazilian municipality located in the northeast of the state of Minas Gerais.
Location
The population was estimated to be 25,474 people living in a total area of 3,518 km². The city belongs to the mesoregion of Jequitin ...
and
Jaguaribe
Jaguaribe is a municipality in the state of Ceará in the Northeast region of Brazil.
The municipality contains part of the reservoir of the Castanhão Dam, the largest in the state.
Notable people
The English author Henry Koster (1793–1820) ...
systems, as well as smaller river basins in northeastern Brazil.
[Britzke, R., Nielsen, D.T.B. & Oliveira, C. (2016): Description of two new species of annual fishes of the ''Hypsolebias antenori'' species group (Cyprinodontiformes: Rivulidae), from Northeast Brazil. ''Zootaxa, 4114 (2): 123–138.''][Costa, W.J.E.M., Amorim, P.F. & Bragança, P.H.N. (2014): Species limits and phylogenetic relationships of red-finned cryptic species of the seasonal killifish genus ''Hypsolebias'' from the Brazilian semi-arid Caatinga (Teleostei: Cyprinodontiformes: Rivulidae). ''Journal of Zoological Systematics and Evolutionary Research, 52 (1): 52-58.''] Like their relatives, ''Hypsolebias'' are 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 famil ...
.
The short-lived adults inhabit temporary waters like rain pools, laying their eggs in the bottom. As their habitat dries up the adults die, but the eggs survive and hatch when the water returns in the next season.
[
The males are more colorful than the females, and male colors/patterns are a primary way of separating the different species.][ They are small fish that reach 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
''Hypsolebias'' was formerly regarded as a subgenus of ''Simpsonichthys
''Simpsonichthys'' is a genus of killifish from the family Rivulidae the species of which are endemic to temporary freshwater habitats like ponds in the upper Paraná, upper Araguaia, upper Jequitinhonha and São Francisco basins on the centra ...
''. Although this split is generally accepted, a genetic
Genetic may refer to:
*Genetics, in biology, the science of genes, heredity, and the variation of organisms
**Genetic, used as an adjective, refers to genes
***Genetic disorder, any disorder caused by a genetic mutation, whether inherited or de nov ...
study indicates that ''Hypsolebias'' is not monophyletic
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic ...
.
There are 35 currently recognized species in ''Hypsolebias'':[
* '' Hypsolebias adornatus'' ( W. J. E. M. Costa, 2000)
* '' Hypsolebias antenori'' ( Tulipano, 1973)
* '' Hypsolebias auratus'' ( W. J. E. M. Costa & D. T. B. Nielsen, 2000)
* '' Hypsolebias brunoi'' ( W. J. E. M. Costa, 2003)
* '' Hypsolebias caeruleus'' W. J. E. M. Costa, 2013][Costa, W.J.E.M. (2013): ''Hypsolebias caeruleus'', a new seasonal killifish of the ''Hypsolebias adornatus'' complex from the Caatinga of north-eastern Brazil, São Francisco River basin (Cyprinodontiformes: Rivulidae). ''Ichthyological Exploration of Freshwaters, 24 (2): 141-146.'']
* '' Hypsolebias carlettoi'' ( W. J. E. M. Costa & D. T. B. Nielsen, 2004)
* '' Hypsolebias coamazonicus'' W. J. E. M. Costa, Amorim & Bragança, 2014[
* '']Hypsolebias faouri
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' Britzke, D. T. B. Nielsen & C. de Oliveira, 2016[
* '']Hypsolebias flagellatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' ( W. J. E. M. Costa, 2003)
* '' Hypsolebias flammeus'' ( W. J. E. M. Costa, 1989)
* ''Hypsolebias flavicaudatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' ( W. J. E. M. Costa & G. C. Brasil, 1990)
* ''Hypsolebias fulminantis
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' ( W. J. E. M. Costa & G. C. Brasil, 1993)
* ''Hypsolebias ghisolfii
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' ( W. J. E. M. Costa, Cyrino & D. T. B. Nielsen, 1996)
* ''Hypsolebias gilbertobrasili
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' W. J. E. M. Costa, 2012[Costa, W.J.E.M., Amorim, P.F. & Mattos, J.L.O. (2012): Species delimitation in annual killifishes from the Brazilian Caatinga, the ''Hypsolebias flavicaudatus'' complex (Cypriniformes: Rivulidae): implications for taxonomy and conservation. ''Systematics and Biodiversity, 10 (1): 71-91.'']
* ''Hypsolebias guanambi
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' W. J. E. M. Costa & Amorim, 2011
* ''Hypsolebias harmonicus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' ( W. J. E. M. Costa, 2010)
* ''Hypsolebias hellneri
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' ( Berkenkamp, 1993)
* '' Hypsolebias igneus'' ( W. J. E. M. Costa, 2000)
* '' Hypsolebias janaubensis'' ( W. J. E. M. Costa, 2006)
* ''Hypsolebias longignatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' ( W. J. E. M. Costa, 2008)
* '' Hypsolebias lopesi'' ( D. T. B. Nielsen, Shibatta, Suzart & A. F. Martín, 2010)
* '' Hypsolebias macaubensis'' ( W. J. E. M. Costa & Suzart, 2006)
* ''Hypsolebias magnificus
''Hypsolebias magnificus'' is a species of killifish in the family Rivulidae native the Middle São Francisco River basin in Brazil. It grows to TL.
It was formerly included in the genus ''Simpsonichthys
''Simpsonichthys'' is a genus of ...
'' ( W. J. E. M. Costa & G. C. Brasil, 1991)
* '' Hypsolebias martinsi'' Britzke, D. T. B. Nielsen & C. de Oliveira, 2016[
* '']Hypsolebias mediopapillatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' ( W. J. E. M. Costa, 2006)
* ''Hypsolebias nitens
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' W. J. E. M. Costa, 2012[
* '']Hypsolebias notatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' ( W. J. E. M. Costa, Lacerda & G. C. Brasil, 1990)
* ''Hypsolebias nudiorbitatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' W. J. E. M. Costa, 2011[Costa, W.J.E.M. (2011): ''Hypsolebias nudiorbitatus'', a new seasonal killifish from the Caatinga of northeastern Brazil, Itapicuru River basin (Cyprinodontiformes: Rivulidae). ''Ichthyological Exploration of Freshwaters, 22 (3): 221-226.'']
* ''Hypsolebias picturatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' ( W. J. E. M. Costa, 2000)
* ''Hypsolebias pterophyllus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' W. J. E. M. Costa, 2012[
* '']Hypsolebias radiosus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' ( W. J. E. M. Costa & G. C. Brasil, 2004)
* ''Hypsolebias radiseriatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' W. J. E. M. Costa, 2012[
* '']Hypsolebias sertanejo
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' W. J. E. M. Costa, 2012[
* '']Hypsolebias shibattai
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' D. T. B. Nielsen, M. Martins, L. M. de Araújo & Suzart, 2014[Nielsen, D.T.B., Martins, M., Araujo, L.M.d. & Suzart, R.d.R. (2014): ''Hypsolebias shibattai'', a new species of annual fish (Cyprinodontiformes: Rivulidae) from the rio São Francisco basin, northeastern Brazil. ''aqua, International Journal of Ichthyology, 20 (1): 27-34.'']
* ''Hypsolebias tocantinensis
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the Tocanti ...
'' D. T. B. Nielsen, J. C. da Cruz & A. C. Baptista, 2012[Nielsen, D.T.B., Cruz, J.C. & Baptista, A.C.Jr. (2012): A new species of annual fish, ''Hypsolebias tocantinensis'' sp.n. (Cyprinodontiformes:Rivulidae) from the rio Tocantins basin, northeastern Brazil. ''Zootaxa, 3527: 63–71.'']
* ''Hypsolebias trifasciatus
''Hypsolebias'' is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest species richness is in the São Francisco River basin, but there are also species in the T ...
'' D. T. B. Nielsen, M. Martins, L. M. de Araújo, F. O. de Lira & A. F. Martín, 2014[Nielsen, D.T.B., Martins, M., Araujo, L.M.d., Lira, F.O.d. & Faour, A. (2014): ''Hypsolebias trifasciatus'', a new species of annual fish (Cyprinodontiformes: Rivulidae) from the rio Preto, rio São Francisco basin, northeastern Brazil. ''aqua, International Journal of Ichthyology, 20 (3): 131-138.'']
References
{{Taxonbar, from=Q949131
Rivulidae
Freshwater fish genera