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Johnny Jensen's Photographic Library (3)

Description: This genus is closely related to Hypoptopoma but has a single line of enlarged odontoded running along the body just above the lateral line and the posterior body and the caudal peduncle are flat, whereas the genus Hypoptopoma has a circular section. They also posses a narrower head than the species of Hypoptopoma. Both genera have their eyes high up on the head. There are at present (2010) three species in this genera namely O. carinata (Steindachner, 1879), O. acutirostris Miranda Ribeiro, 1951 and O. wrightiana Eigenmann & Eigenmann, 1889 which is the type species. O. acutirostris is reported to be more sensitive than the other two species in this genera and it is also the smallest and the prettiest. Can also be identified by the longer and narrower head and different pattern in the body. Aquarium Care: Same care as for Hypotopoma with long leaved plants or bamboo stalks for them to rest on. Diet: Algae, vegetables, tablet foods and small live and frozen foods. Remarks: You will sometimes find the former name of O. acutirostra in your search results.

Flathead Oto

Hypoptopoma acutirostre, Hypoptopoma acutirostris, Oxyropsis acutirostra

Loricariidae

South America: Orinoco and Negro River basins. Type locality: Paricachoeira, rio Taquié, afl. do Vaupes que é afl. do Negro, Amazonas, Brazil.

5.0cm. (2ins)

25-29°c (77-85°f.)

6.0-7.5.

Evers, H.-G. & I.Seidel: Mergus, Baensch Catfish Atlas Volume 1, 1st English edn., 2005. Pp.944.
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.