''Sundadanio axelrodi'' is a

danionin The danionins are a group of small, minnow-type fish belonging to the family Cyprinidae. Members of this group are mostly in the genera ''Danio'', ''Devario'', and ''Rasbora''._They_are_primarily_native_to_the_s_...''._They_are_primarily_native_t ...

in the family

Cyprinidae Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...

, with origin from Borneo, Bangka, and Sumatra. Originally described as a

rasbora ''Rasbora'' is a genus of fish in the family Cyprinidae. They are native to freshwater habitats in South and akistan [Southeast Asia, as well as southeast China. A single species, ''R. gerlachi'', is only known from an old Zoological specimen">s ...

, ''Rasbora axelrodi'', this tiny species was later deemed to be more closely related to the danios but not enough to be moved into the genus ''Danio''. ''Sundadanio axelrodi'' reaches a maximum size of 1.7 cm. ''Sundadanio'' was considered monotypic until the genus was reassessed by Kevin W. Conway, Conway, Maurice Kottelat, Kottelat and Tan Heok Hui, Tan in 2011.Conway, K.W., Kottelat, M. & Tan, H.H. (2011): ''Review of the Southeast Asian miniature cyprinid genus'' Sundadanio ''(Ostariophysi: Cyprinidae) with descriptions of seven new species from Indonesia and Malaysia.'' Ichthyological Exploration of Freshwaters, 22 (3): 251-288.

Etymology

Named in honor of pet-book publisher

Herbert R. Axelrod Herbert Richard Axelrod (June 7, 1927 – May 15, 2017) was an American tropical fish expert, a publisher of pet books, and an entrepreneur. In 2005 he was sentenced in U.S. court to 18 months in prison for tax fraud. Early life Axelrod was born ...

(b. 1927), who discovered this species in the tanks of a

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

aquarium fish exporter.

References

''Sundadanio axelrodi'' at danios.info
* {{Taxonbar, from=Q168709 Sundadanio Taxa named by Martin Ralph Brittan Freshwater fish of Indonesia Fish described in 1976