Anostomoides passionis ^ZBK, new species

(Figs. 1-3)

Material examined

Holotype. INPA 13182 (262 mm SL), Brasil, State of Pará: rio Xingu, Viracebo do Arroz Cru (03º25’15.7’’S, 51º55’08.3’’W); gill net in rocky outcrops in rapids area; 17 Sept. 1997, J. Zuanon.

Paratypes. All specimens collected in rio Xingu, State of Pará . INPA 13196 (1, 256 mm SL), collected with the holotype ; INPA 14876 (1, 161 mm SL), Ilha Bela Vista (03°24’15’’S, 51°41’53’’W), gill net; 29 Sept. 1996, J. Zuanon; INPA 4042 (1, 306 mm SL), Arroz Cru (03º25’ 15. 7’’S, 51º55’ 08. 3’’W); gill net, 01 Oct 1990, J. Zuanon & L. PyDaniel; INPA 4043 (2, 230 mm and 273 mm SL), Ilha de Babaquara (03º25’44.5’’S, 52º14’24.7’’W); gill net, 05 Oct 1990, J. Zuanon & L. Py-Daniel; MZUSP 86083 (1, 274 mm SL, ex-INPA 4043, same data as above); ZUEC 3386, (1, 217 mm, ex-INPA 13181, Ilha do Sr. Izaltino Barbosa, (03º16’21.2’’S, 52º04’22.0’’W), gill net, Sept. 1996, J. Zuanon .