''Belligobio eristigma'' is a species of freshwater

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...

belonging to 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 ...

Gobionidae Gobioninae is a monophyletic family of Eurasian cyprinoid fishes. This is a species rich clade which, as a subfamily of the Cyprinidae was divided into five tribes: Gobionini, Pseudogobionini, Hemibarbini, Coreiini, and Sarcocheilichthyini. T ...

, the gudgeons. This species is found in Japan. This species was first formally described in 1925 by the American

ichthyologists Ichthyology is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 35,800 species of fish had been described as of March 2 ...

David Starr Jordan David Starr Jordan (January 19, 1851 – September 19, 1931) was the founding president of Stanford University, serving from 1891 to 1913. He was an ichthyologist during his research career. Prior to serving as president of Stanford Universi ...

and

Carl Leavitt Hubbs Carl Leavitt Hubbs (October 19, 1894 – June 30, 1979) was an American ichthyologist. Biography Early life Carl Leavitt Hubbs was born in Williams, Arizona, to Charles Leavitt and Elizabeth () Hubbs. His father had a wide variety of jobs (far ...

with its type locality given as near

Okayama is the prefectural capital, capital Cities of Japan, city of Okayama Prefecture in the Chūgoku region of Japan. The Okayama metropolitan area, centered around the city, has the largest urban employment zone in the Chugoku region of western J ...

in Japan. When Starr and Hubbs described this species they classified it in a new genus ''

Belligobio ''Belligobio'' is a small genus of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons. The fishes in this genus are found in China and Japan. The type species of ''Belligobio'' is ''Belligobio eristigma'', a taxon which ha ...

'', so this species is the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

of that genus. However, some authorities consider that this taxon is a

synonym A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

of ''

Hemibarbus mylodon ''Hemibarbus mylodon'' is a species of freshwater fish belonging to the familyGobionidae, the gudgeons. This fish is endemic to Korea. It is commonly called spotted barbel or Korean doty barbel. It inhabits the upper stream of Imjin, Han and Ge ...

'' and that ''Belligobio'' is a

subgenus In biology, a subgenus ( subgenera) is a taxonomic rank directly below genus. In the International Code of Zoological Nomenclature, a subgeneric name can be used independently or included in a species name, in parentheses, placed between the ge ...

of ''

Hemibarbus ''Hemibarbus'' is a genus of freshwater ray-finned fishes belonging to the family Gobionidae, the gudgeons. The fishies in thuis genus are found in eastern Asia. Species ''Hemibarbus'' contains the following valid species: * '' Hemibarbus brevi ...

'', However, ''

Eschmeyer's Catalog of Fishes Catalog of Fishes is a comprehensive on-line database and reference work on the scientific names of fish species and genera. It is global in its scope and is hosted by the California Academy of Sciences. It has been compiled and is continuously up ...

'', recognises ''B. eristigma'' as a separate valid species within the genus ''Belligobio''.

References

{{Taxonbar, from=Q11908936 eristigma Fish described in 1925 Taxa named by David Starr Jordan Taxa named by Carl Leavitt Hubbs