Cambeva, Katz, Barbosa, Mattos & Costa, 2018

Katz, Axel M. & Costa, Wilson J. E. M., 2020, A new species of the catfish genus Cambeva from the Paranapanema river drainage, southeastern Brazil (Siluriformes: Trichomycteridae), Tropical Zoology (trop. Zool.) 33 (1), pp. 2-13 : 11

Key to Paranapanema river drainage species of Cambeva

1. Presence of pelvic fin girdle..........................................................................................2

– Absence of pelvic fin girdle.......................................................................... C. pascuali

2. Flank with scattered blots.............................................................................................3

– Flank with three wide dark stripes................................................................... C. perkos

3. Caudal-fin hyaline or with blots scattered....................................................................4

– Caudal-fin with vertical stripe on the edge .................................................... C. diabola

4. Relative position of the urogenital papillae that is situated in the vertical through the centrum of 23th–24th vertebrae and 9-11 branchiostegal rays......................... C. davisi

– Relative position of the urogenital papillae that is situated in the vertical through the centrum of 21st–22th vertebrae and 8 branchiostegal rays...................... C. guareiensis