Mophometrics;Male;Female;"Costa (2009a)";"C. nanus Holotype"
"Total lenght (TL, mm)";21.7–28.1;18.5–26.7;;27.2
"Standard length (SL, mm)";17.6–24.1;15.1–21.7;;22.1
"Body depth";4.2–5.5;3.2–5.4;;5.6
"Head length";5.4–7.3;4.8–6.6;;6.7
"Eye diameter";2.2–2.5;1.8–2.7;;2.7
"% standard length";;;;
"Body depth";"24.0 ± 1.1";"22.7 ± 1.86";;25.3
"Head length";"31.2 ± 3.0";"31.5 ± 2.06";;30.3
"% head length";;;;
"Eye diameter";"35.4 ± 3.5";"38.4 ± 3.1";;39.5
Meristics;;;;
"Lateral line scales";26;26;26;25
"Transversal line scales";7;7;7;7
"Circumpeduncular scales";12;12;12;11
"Dorsal fin rays";12–13;10–12;12–14;13
"Pectoral fin rays";13–14;13;13–14;13
"Pelvic fin rays";6;6;6;6
"Anal fin rays";17–18;17–19;17–19;17
"Caudal fin rays";23–25;22–25;23–24;24