Species: Fundulus pulvereus, Bayou killifish

Fundulus pulvereus (Evermann, 1892)

Bayou killifish

Body slender, compressed; head flattened above, with convex upper profile; snout short (equal to or slightly < eye), rounded; cover of eye not continuous with head skin; front nostril not tubular; mouth small, oblique, opens at front, protrusible, at or slightly above level of center of eye; top jaw twisted, lower jaw projecting; 8 pores under chin; jaws with outer row of pointed conical teeth, inner band of simple teeth; gill rakers short, blunt 7; no spines in fins; dorsal fin short based, its origin before anal fin origin, 9-11 rays; anal fin with 3rd fin ray branched, 9-10 rays; pectoral with narrow base, rounded, inserted low on side, 18-19 rays; pelvics inserted well behind pectoral base; tail base slender; tail fin bluntly rounded; small smooth scales, 33-37 midlateral rows; lateral line reduced to a series of pits along side of body.