Batasio dayi (Vinciguerra 1890)

With a dark brown oblique predorsal bar; distal 4/5 of the dorsal fin dark brown with a narrow hyaline distal margin. Body depth at anus 19.2-20.5% SL; snout length 41-44.6% HL; interorbital distance 22.2-25.8 % HL.

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Analspines: 4; Analsoft rays: 8