GUMBALHA



English Name: Bluestripe herring

Family: CLUPEIDAE

Local Name: Gumbalha

Order: Clupeiformes

Size: Max. 14 cm

Distinctive Characters: Dorsal fin with 17-20 rays.Anal fin with 17-19 rays. Pectoral fin with 15-16 rays. Body depth 3.3-5.5 in standard length. Fusiform and moderately slender body. Belly with a distinct scutes. Top of head with few fronto-parietal striae, a broad wing-like scales almost hidden beneath the overlapping predorsal scales.

Colour: Back bluish green without spots. Flanks silvery with an electric blue line preceded by two orange spots.

Habitat and Biology: In daytime forms dense schools in shallow lagoons. During night time moves into deeper water. Feeds on zooplankton mainly at night.

Distribution: Indo-Pacific.

Remarks: Herklorsichthys quadrirnaculatus forms large daytime schools in shallow lagoons, often in association with schools of Bigeye scad.Sometimes used as livebait in the tuna fishery.