''Sarcocheilichthys davidi'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

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 endemic to

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. It is named in honor of the Catholic missionary and zoologist

Armand David Armand David, CM (7 September 1826, Espelette – 10 November 1900, Paris) was a Lazarist missionary Catholic priest as well as a zoologist and a botanist from the French Basque Country. Several species, such as Père David's deer ...

(1826-1900), who collected the type specimen.

References

davidi Taxa named by Henri Émile Sauvage Fish described in 1878 {{Gobioninae-stub