''Aplocheilus'' 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 ...

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 ...

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 ...

Aplocheilidae Aplocheilidae, the Asian killifishes or Asian rivulines, is a family of fish in the order Cyprinodontiformes found in Asia. Some authorities use this family-group name, which is well-established, for a single lumped aplocheiloid family as it giv ...

. Their native range is in

South South is one of the cardinal directions or Points of the compass, compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Pro ...

and

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...

, from

Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

and

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

, and from

Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

. Several species, especially the striped panchax, ''A. lineatus'', are important aquarium fishes.

Etymology

The name ''Aplocheilus'' is composed of the Greek words ' meaning "simplicity", and ' meaning "lip".

Species

The currently recognized species in this genus are: * ''

Aplocheilus andamanicus ''Aplocheilus'' is a genus of killifish in the family Aplocheilidae. Their native range is in South and Southeast Asia, from Pakistan to Vietnam and Malaysia, and from Nepal to Sri Lanka. Several species, especially the striped panchax, ''A. l ...

'' (

Köhler Köhler is a German surname, referring to a man making charcoal from wood. Geographical distribution As of 2014, 96.2% of all known bearers of the surname ''Köhler'' were residents of Germany (frequency 1:641) and 1.5% of Austria (1:4,238). ...

, 1906) * ''

Aplocheilus armatus ''Aplocheilus'' is a genus of killifish in the family Aplocheilidae. Their native range is in South and Southeast Asia, from Pakistan to Vietnam and Malaysia, and from Nepal to Sri Lanka. Several species, especially the striped panchax, ''A. l ...

'' ( van Hasselt, 1823) * ''

Aplocheilus blockii ''Aplocheilus blockii'' or the green panchax is a species of fish native to waters around India, Sri Lanka, and Pakistan. Description ''Aplocheilus blockii'' measures 6 centimeters long. It frequently inhabits coastal habitats that either cont ...

'' J. P. Arnold, 1911 (green panchax) * ''

Aplocheilus dayi The Ceylon killifish (UDA HANDAYA / උඩ හඳයා)(''Aplocheilus dayi'') is a species of killifish endemic to Sri Lanka. This species grows to a length of . Males and females have a black dot at the rear end of the base of the dorsal fin. ...

'' Steindachner, 1892 (Ceylon killifish) * ''

Aplocheilus kirchmayeri ''Aplocheilus kirchmayeri'' is a species of killifish native to India. It was named after the aquarist J. Kirchmayer. Its validity as a species has been questioned, with some experts believing that it is a subspecies of '' Aplocheilus blockii''. ...

'' Berkenkamp & Etzel, 1986 * ''

Aplocheilus lineatus The striped panchax (''Aplocheilus lineatus'') is a species of killifish, of the genus ''Aplocheilus''. An aquarium variant of this species with a more yellowish coloration is known as golden wonder killifish. The striped panchax inhabits fresh ...

'' (

Valenciennes Valenciennes (, also , , ; nl, label=also Dutch, Valencijn; pcd, Valincyinnes or ; la, Valentianae) is a commune in the Nord department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced a s ...

, 1846) (striped panchax) * ''

Aplocheilus panchax The blue panchax or whitespot (''Aplocheilus panchax'') is a common freshwater fish found in a large variety of habitats due to its high adaptability. This species is native to southern Asia from Pakistan to Indonesia. It has been discovered in t ...

'' ( F. Hamilton, 1822) (blue panchax) * ''

Aplocheilus parvus ''Aplocheilus parvus'', the dwarf panchax, is a species of killifish native to India and Sri Lanka. This species grows to a length of . Its natural habitats are sheltered fresh and brackish water tanks, small streams and rivulets overgrown with ...

'' ( Sundara Raj, 1916) (dwarf panchax) * ''

Aplocheilus werneri ''Aplocheilus werneri'' (Werner's killifish) is a species of killifish endemic to Sri Lanka. This 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 ...

'' Meinken, 1966 (Werner's killifish)

References

Aplocheilidae * Freshwater fish genera Taxa named by John McClelland (doctor) {{Cyprinodontiformes-stub