Silvery fishes with strongly compressed v-shaped body in cross-section, single dorsal fin, and pelvic fins set far back.  Schooling inhabitants of nearshore waters that feed upon zooplankton.  Most are ecologically & commercially important where they occur in great numbers. 

Spratelloides delicatulus

DELICATE ROUND HERRING  Piha

Herklotsichthys quadrimaculatus

GOLDSPOT HERRING