''Tlaloc'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Profundulidae Profundulidae is a family of killifishes. The species of this family are native to Central America and Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, an ...

endemic Endemism is the state of a species being found only 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 foun ...

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...

and

Honduras Honduras, officially the Republic of Honduras, is a country in Central America. It is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Ocean at the Gulf of Fonseca, ...

.Morcillo, F., Ornelas-García, C.P., Alcaraz, L., Matamoros, W.A. & Doadrio, I. (2015): Phylogenetic relationships and evolutionary history of the Mesoamerican endemic freshwater fish family Profundulidae (Cyprinodontiformes: Actinopterygii). ''Molecular Phylogenetics and Evolution, 94 (Part. A): 242–251.'' The genus is not, however, recognised by

Fishbase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.

or in the 5th Edition of

Fishes of the World ''Fishes of the World'' is a standard reference for the systematics of fishes. It was first written in 1976 by the American ichthyologist Joseph S. Nelson (1937–2011). Now in its fifth edition (2016), the work is a comprehensive overview of t ...

. The genus is named for Tlaloc the water god of the

Aztecs The Aztecs ( ) were a Mesoamerican civilization that flourished in central Mexico in the post-classic period from 1300 to 1521. The Aztec people included different ethnic groups of central Mexico, particularly those groups who spoke the ...

Species

As delineated in 2015 there are 4 recognized species in this genus: * '' Tlaloc candalarius'' ( C. L. Hubbs, 1924) (Headwater killifish) * '' Tlaloc hildebrandi'' ( R. R. Miller, 1950) ( Popoyote or Chiapas killifish) * '' Tlaloc labialis'' ( Günther, 1866) (Large-lip killifish) * '' Tlaloc portillorum'' ( Matamoros & J. F. Schaefer, 2010) (Ulúan killifish)

References

Profundulidae Freshwater fish genera {{Cyprinodontiformes-stub