Ancistrus marcapatae ( Regan, 1904 )

Bifi, Alessandro Gasparetto, Oliveira, Renildo Ribeiro de & Py-Daniel, Lúcia Rapp, 2019, A new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from rio Madeira basin, Amazonas State, Brazil, Neotropical Ichthyology 17 (2) : -

Ancistrus marcapatae ( Regan, 1904)

Figs. 4-5

Chaetostomus marcapatae Regan, 1904:246 , pl.14 ( Fig. 1 ) [original description; type locality: Marcapata Valley, río Inambari basin, Peru].

Xenocara heterorhynchus Regan, 1912:668 , pl.76 ( Fig. 2 ) [original description; type locality: Urohuasi, río Inambari basin, Peru].

Xenocara boliviana Steindachner, 1915:95 , pl.9 ( Figs. 5 -6) [original description; type locality: río Songo, río Beni basin, Bolivia].

Chaetostoma marcapatae . — Isbrücker, 1980:62 [check list]. — Ortega, Vari, 1986:16 [check list]. —Fish-Muller, 2003:346 [check list]. — Ferraris, 2007:221 [check list].

Ancistrus bolivianus . — Isbrücker, 1980:66 [check list]. —Fish- Muller, 2003:374 [check list]. — Ferraris, 2007:219 [check list]. New Synonym.

Ancistrus heterorhynchus . — Isbrücker, 1980:69 [check list]. — Ortega, Vari, 1986:17 [check list]. —Fish-Muller, 2003:381 [check list]. — Ferraris, 2007:229 [check list]. New Synonym.

Ancistrus marcapatae . — Lujan et al., 2015b:673 [comments; new genus combination].

Examined material: Bolivia. Ancistrus bolivianus . NMW 43475, 2 , 40.8 -58.0 mm SL, syntypes of Xenocara boliviana Steindachner, 1915 . Nord Yungas, río Madre de Dios basin, río Songo, 1914, Schnel ; NMW 43476, 27 , 31.2-65.6 mm SL, Nord Yungas, río Madre de Dios basin, río Songo, 1915, Fassl. Ancistrus heterorhynchus . BMNH 1911.12.20.35-36, 2, 45.7-63.2 mm SL, syntypes of Xenocara heterorhynchus Regan, 1912 , Madre de Dios basin, río Inambari basin . Peru. Ancistrus marcapatae . BMNH 1902.5 .29.211, 79.1 mm SL, holotype of Chaetostomus marcapatae Regan, 1904 , Marcapata Valley, río Inambari basin ; MUSM 10087 , 1 , 88.5 mm SL, río Inambari basin ; MUSM 57498 , 1 , 66.6 mm SL, río Inambari basin ; MUSM 58097 , 2 , 57.9-59.9 mm SL, río Yunguyo , río Madre de Dios basin .

Figures

Fig. 4. Dorsal, lateral and ventral views (left to right) of Ancistrus bolivianus: NMW 43475, 65.6 mm SL, syntype; A. heterorhynchus: BMNH 1911.12.20.35-36, 63.2 mm SL, syntype; A. marcapatae: BMNH 1902.5.29.211, 79.1 mm SL, holotype.

Fig. 5. Ancistrus marcapatae, MUSM 57853, 54,6 mm SL, male; Peru, Manu, rio Madre de Dios drainage, rio Adanrayo.

Fig. 1. Ancistrus miracollis, INPA 57624, holotype, 66.7 mm SL, male; Brazil, Apuí, rio Sucunduri drainage, lower rio Madeira basin.

Fig. 2. Color pattern variation in Ancistrus miracollis. Standard length from top to bottom, left to right: 27.7 mm SL, 30.3 mm SL, 35.5 mm SL, 41.2 mm SL, 48.4 mm SL, 51.6 mm SL, 58.4 mm SL (all from INPA 26433), 60.1 mm SL (INPA 24144).