''Craterocephalus'' 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 ...

of small and slender

brackish Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...

silversides from

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

and

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species.

Species

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

Craterocephalus amniculus The Darling River hardyhead (''Craterocephalus amniculus'') is a species of fish in the family Atherinidae endemic to Australia. The species name ''amniculus'' is from the Latin meaning a small creek or stream, in reference to the habitat where ...

'' Crowley & Ivantsoff, 1990 (Darling River hardyhead) * ''

Craterocephalus capreoli ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

Rendahl Carl Hialmar Rendahl (born Jönköping 26 December 1891; died Stockholm 2 May 1969) was a Swedish zoologist, cartoonist and painter. He is most famous in Sweden for his authorship of ''Fågelboken'', the "bird book" which sold 60,000 copies. Renda ...

( de), 1922 (Rendahl's hardyhead) * ''

Craterocephalus centralis The Finke River hardyhead (''Craterocephalus centralis'') is a species of fish in the family Atherinidae. It is endemic to the Finke River system in the Northern Territory, where it is widespread in open water or around aquatic vegetation. They ...

'' Crowley & Ivantsoff, 1990 (Finke River hardyhead) * ''

Craterocephalus cuneiceps ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

'' Whitley, 1944 (Murchison River hardyhead) * ''

Craterocephalus dalhousiensis The Dalhousie hardyhead (''Craterocephalus dalhousiensis'') is a species of silverside in the family Atherinidae. It is endemic to the warm waters of Dalhousie Springs in the Lake Eyre basin, Australia, along with the similar ''Craterocephalus g ...

'' Ivantsoff & Glover, 1974 (Dalhousie hardyhead) * ''

Craterocephalus eyresii ''Craterocephalus eyresii'', the Lake Eyre hardyhead, is a species of freshwater silverside from the family Atherinidae which is endemic to the Lake Eyre basin in Australia. Description ''Craterocephalus eyresii'' is a small drab yellowish-grey ...

'' (

Steindachner Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...

, 1883) (Lake Eyre hardyhead) * ''

Craterocephalus fistularis ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

'' Crowley, Ivantsoff & G. R. Allen, 1995 * ''

Craterocephalus fluviatilis The Murray hardyhead (''Craterocephalus fluviatilis'') is a species of fish in the family Atherinidae endemic to inland parts of southeastern Australia. The fish is an omnivore, feeding on small crustaceans, aquatic insects and algae. Conser ...

'' McCulloch, 1912 (Murray hardyhead) * ''

Craterocephalus fulvus ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

'' Ivantsoff, Crowley &

Allen Allen, Allen's or Allens may refer to: Buildings * Allen Arena, an indoor arena at Lipscomb University in Nashville, Tennessee * Allen Center, a skyscraper complex in downtown Houston, Texas * Allen Fieldhouse, an indoor sports arena on the Univer ...

, 1987 (Unspecked hardyhead) * ''

Craterocephalus gloveri Glover's hardyhead (''Craterocephalus gloveri'') is a species of fish in the family Atherinidae endemic to Dalhousie Springs in the Lake Eyre basin, Australia. The fish has a high thermal tolerance and inhabits warm, freshwater spring-fed pools an ...

'' Crowley & Ivantsoff, 1990 (Glover's hardyhead) * ''

Craterocephalus helenae The Drysdale hardyhead (''Craterocephalus helenae'') is a species of fish in the family Atherinidae endemic to the Drysdale River in the Kimberley region of Australia. It is listed as near threatened on the IUCN Red List and rare under the Aus ...

'' Ivantsoff, Crowley & G. R. Allen, 1987 (Drysdale hardyhead) * ''

Craterocephalus honoriae ''Craterocephalus'' is a genus of small and slender brackish or freshwater old world silverside, silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The curr ...

'' ( J. D. Ogilby, 1912) (estuarine hardyhead) * ''

Craterocephalus kailolae Kailola's hardyhead (''Craterocephalus kailolae'') is a species of fish in the family Atherinidae endemic to Papua New Guinea. It reaches a maximum length of 6 cm. It inhabits shallow, clear creeks with gravel substrate. This species was de ...

'' Ivantsoff, Crowley & G. R. Allen, 1987 (Kailola's hardyhead) * ''

Craterocephalus lacustris The Kutubu hardyhead (''Craterocephalus lacustris'') is a species of fish in the family Atherinidae. It is endemic to Lake Kutubu and its outlet, the Soro River, in the Kikori River system, Papua New Guinea Papua New Guinea (abbreviated ...

'' Trewavas, 1940 (Kutubu hardyhead) * ''

Craterocephalus laisapi ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

'' Larson, Ivantsoff & Crowley, 2005 * '' Craterocephalus lentiginosus'' Ivantsoff, Crowley & G. R. Allen, 1987 (Prince Regent hardyhead) * '' Craterocephalus marianae'' Ivantsoff, Crowley & G. R. Allen, 1987 (Magela hardyhead) * ''

Craterocephalus marjoriae ''Craterocephalus marjoriae'', commonly known as Marjorie's hardyhead or silverstreak hardyhead, is a species of fish in the family Atherinidae that is native to eastern Australia, namely central Queensland to northeastern New South Wales. Here it ...

'' Whitley, 1948 (Marjorie's hardyhead) * '' Craterocephalus mugiloides'' ( McCulloch, 1912) (spotted hardyhead) * ''

Craterocephalus munroi ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

'' Crowley & Ivantsoff, 1988 (Munro's hardyhead) * ''

Craterocephalus nouhuysi ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

'' ( M. C. W. Weber, 1910) (mountain hardyhead) * ''

Craterocephalus pauciradiatus ''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized spec ...

'' ( Günther, 1861) (few-ray hardyhead) * '' Craterocephalus pimatuae'' Crowley, Ivantsoff & G. R. Allen, 1991 (Pima hardyhead) * '' Craterocephalus randi''

Nichols Nichols may refer to: People *Nichols (surname) *Nichol, a surname Places Canada * Nichols Islands, Nunavut United States * Nichols, California, an unincorporated community * Nichols Canyon, Los Angeles, California * Nichols, Connecticut * Nic ...

Raven A raven is any of several larger-bodied bird species of the genus ''Corvus''. These species do not form a single taxonomic group within the genus. There is no consistent distinction between "crows" and "ravens", common names which are assigned t ...

, 1934 (Kubuna hardyhead) * ''

Craterocephalus stercusmuscarum The fly-specked hardyhead (''Craterocephalus stercusmuscarum'') is a species of fish in the family Atherinidae endemic and widespread in the freshwater streams of the Northern Territory down the east coast of Queensland into southern Queensland. ...

'' (Günther, 1867) * '' Craterocephalus stramineus'' ( Whitley, 1950) (blackmast or strawman)

References

Craterocephalinae Taxa named by Allan Riverstone McCulloch Freshwater fish genera Taxonomy articles created by Polbot {{Atheriniformes-stub