''Tanakia shimazui'' 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 ...

Acheilognathidae The bitterling-like cyprinids form the cyprinoid family Acheilognathidae. This subfamily contains seven genera, although the Khanka spiny bitterling is often placed in ''Acheilognathus'', and at least 75 described species to date. Over half of t ...

, the bitterlings. It is endemic to

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

Etymology

Named in honor of "Mr. Shimazu" (no forename given), a naturalist in Tokyo, who collected type.

References

shimazui Taxa named by Shigeho Tanaka Fish described in 1908 {{Acheilognathinae-stub