This species inhabits clear, moderately flowing streams, with a substrate composed of pebbles and cobbles .
Dorsal spines (total): 2; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 5. This species is distinguished from its congeners by the following set of characters: laminar, triangular dorsal process of opercle; 13-15 dorsal procurrent caudal-fin rays; 33-36 interopercular odontodes; 18-22 premaxillary teeth, and 23-25 dentary teeth; medial margin of the autopalatine sinuous; sesamoid supraorbital without a lateral projection; anterior portion of the mesethmoid just posterior to cornu base relatively narrow; parurohyal foramen rudimentary or lacking; posterior process of the parurohyal relatively short, less than half lateral process; and S4 pore about equidistant from S3 and S6 pores (Ref 138050).: elongated; Cross section: oval.
Behavioural data for Cambeva Capitoliensis is currently being reviewed.
Freshwater; demersal. Tropical South America: Brazil.
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