Common names: grunion (English), pejerrey (Espanol)
Leuresthes sardina (Jenkins and Evermann, 1888)
Elongate, slender; head and body compressed; top of head flattened, profile ~ straight; eye small (< ½ head length); snout blunt, a little longer than eye, with two transverse grooves across it; top jaw very wide and strongly extendible; jaw teeth absent to small, if present wide set; 1st dorsal low, with IV spines, origin behind anus, fin entirely in front of anal fin; 2nd dorsal I, 9; anal 25; pectoral fins short (~ 2/3 head length); 2nd dorsal with scales between front rays; scales large, smooth, 51-60 along midside.
Color: Pale, with a broad (2 scales wide) stripe along flank is grey above, silvery below; top of head very pale between eyes, dark before and behind them.
Reaches 25 cm.
Habitat – coastal areas and lagoons.
Depth range 0-5 m.
Endemic to the Gulf of California.