Humphead Thryssa

Belly with 15 to 17 + 9 or 10 = 25 to 27 keeled scutes from isthmus to anus. A distinct hump at nape; tip of snout above upper rim of eye. Maxilla short, not quite or only just reaching to edge of gill cover; first supra-maxilla minute, oval. A dark blotch behind upper part of gill opening.

Dorsal spines (total): 0; Analspines: 0; Analsoft rays: 35 - 39

Presumably schooling. Undoubtedly confused with other species in the past. More data needed.

fisheries: subsistence fisheries

Thryssa polybranchialis, the humphead thryssa, is a species of ray-finned fish in the family Engraulidae. It is found in the Indian Ocean.