Tiger pygmygoby (Eviota tigrina)

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 9. Dorsal-fin rays VI + I,10. The following combination of characters distinguishes E. tigrina from congeners: dorsal-anal fin ray formula 10/9; 27 lateral scales; six pectoral-fin rays branched; cephalic sensory-pore system pattern 2; fifth segmented pelvic-fin ray present and 25% length of fourth ray; genital papilla non-fimbriate; dorsal fin not filamentous; branches on fourth pelvic-fin ray 13; body with numerous vertical black lines (from black pigment in scale-pocket tissue) forming spindleshaped patterns, a curved black bar at the caudal-fin base, and dark reddish bars on the head. Background color on back and head a pale yellowish gray, sides and abdomen translucent with eight dark internal bands showing through. Ventral surface very pale gray, almost white. Back and sides with numerous bold vertical black lines (from black pigment in scale-pocket tissue) forming spindle-s

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