Amatitlania kanna Schmitter-Soto 2007

This species is distinguished by the following characters: secondary caudal pores absent; peritoneum is pigmented dorsolaterally; quadrate bone wider than long; body relatively deeper; fewer circumpeduncular scales; gill-rakers on first arch often bifid; caudal edge of urohyal sigmoid; with anterodorsad spine on first dorsal pterygiophore; dorsal-fin interradial scales distally in two rows; rounded posterior edge of mesethmoid; gut simple, S-shaped, not folded, anal and medial loops touching; caudal blotch completely on fin (Ref. 74403).

Dorsal spines (total): 17 - 19; Dorsal soft rays (total): 8 - 10; Analspines: 9 - 10; Analsoft rays: 7 - 8; Vertebrae: 27