''Cubanichthys'' is a small

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 ...

pupfish Pupfish are a group of small killifish belonging to ten genera of the family Cyprinodontidae of ray-finned fish. Pupfish are especially noted for being found in extreme and isolated situations. They are primarily found in North America, South Am ...

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

Caribbean Islands Almost all of the Caribbean islands are in the Caribbean Sea, with only a few in inland lakes. The largest island is Cuba. Other sizable islands include Hispaniola, Jamaica, Puerto Rico and Trinidad and Tobago. Some of the smaller islands are re ...

Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...

and

Jamaica Jamaica (; ) is an island country situated in the Caribbean Sea. Spanning in area, it is the third-largest island of the Greater Antilles and the Caribbean (after Cuba and Hispaniola). Jamaica lies about south of Cuba, and west of His ...

. The name of this genus is a compound of Cuba, where the genus was thought to be endemic until ''C. pengellyi'' was placed in the genus, and the

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

word for fish, ''ichthys''.

Species

There are currently two recognized

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

in this genus: * ''

Cubanichthys cubensis ''Cubanichthys cubensis'', the Cuban killifish, is a species of killifish from the family Cyprinodontidae, the pupfishes which is endemic to Cuba. Description ''Cubanichthys cubensis'' has a cylindrical body which is slightly broader and taller ...

'' ( C. H. Eigenmann, 1903) (Cuban killifish) * ''

Cubanichthys pengelleyi ''Cubanichthys pengelleyi'', the Jamaican killifish, is a species of killifish from the family Cyprinodontidae, the pupfishes, which is endemic to Jamaica. It is found in shallow, crystal clear waters with a depth of and a pH of 8.2). These hav ...

'' ( Fowler, 1939) (Jamaican killifish)

References

Cyprinodontidae Freshwater fish genera Taxa named by Carl Leavitt Hubbs {{Cyprinodontiformes-stub