Sampa

Dorsal spines (total): 0; Dorsal soft rays (total): 26-35; Anal soft rays: 42-52; Vertebrae: 55-61. Diagnosis: length of rayed dorsal fin 27-36% standard length; 26-35 dorsal-fin rays (Ref. 57129, 81644). Length of adipose fin 24-34% standard length (Ref. 57129, 81644), about equal to the length of the rayed dorsal fin (Ref. 28714). Width of vomerine tooth plate 25.0-32.2%, and width of premaxillary tooth plate 29.5-36.9% head length (Ref. 57129, 81644). Pectoral spine with strong, downward-pointed serrations on the anterior side (Ref. 270, 57129, 81644). Length of pectoral fin 12.7-18.0% SL (mean 16) (Ref. 81644). Posterior part of adipose fin blackish (Ref. 4967, 57129). Caudal fin with a whitish cross-bar (Ref. 57129). Head long, broad and somewhat rectangular in dorsal outline (Ref. 270), its length 28.4-35.9% SL (Ref. 81644). Snout broadly rounded; eyes superolateral in position; frontal fontanelle long and narrow; occipital fontanelle oval-shaped; tooth plates wide; suprabranchial organ well developed; caudal fin barred; openings of secondary canals hardly visible but display a regular pattern (Ref. 270).