Rhinogobius carpenteri is a freshwater species of goby endemic to the Philippines.Herre, A.W.C.T., 1953. Check list of Philippine fishes. Res. Rep. U.S. Fish Wild. Serv. (20):1-977. Its common name in the Philippines is kuchu. The species was named for the co-collector of the cotypes, Mr. W. D. Carpenter.Herre, Albert W. 1927. Gobies of the Philippines and the China Sea, Monographs of The Bureau of Science, Manila, 23, p. 123. In 1927, Albert William Christian Theodore Herre erected a new genus in the family Gobiidae, Tukugobius and moved R. carpenteri into it as the type species,Herre, 1927, pp. 119-121 and Plate 29. but the genus was later rendered invalid.Okada, Yaichiro. 1961. Studies on the Freshwater Fishes of Japan. 862 pp, 61 plates, 133 text-fig., 135 tables. Japan: Prefectural University of Mie; Tsu, Mie Prefecture 1959-1960; p. 659. Also cited as: Okada, Yaichiro. 1960. Studies on the freshwater fishes of Japan. II. Special Part. Journal of the Faculty of Fisheries, Prefectural University of Mie, 4: 589-860.

Description It grows up to SL, and is dull yellow-brown, whitish under the jaw, eyes blue, grayish fins with two silvery white anterior spines, silvery white anal fin rays, with the caudal fins shading to dusky at the tip.Seale, 1910, pp. 535-536. Additionally, this species reaches a length of

Etymology The fish is named in honor of American naturalist William Dorr Carpenter (1879-1958), who helped collect the type specimen.

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