No data on habitat and biology, but presumably marine in coastal waters and perhaps entering estuaries.
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 51 - 54. Rather hump-backed, belly with 18 0r 19 + 7 or 8 = 25 to 27 keeled scutes from isthmus to anus. Lower gill rakers with serrae not distinctly clumped. Pectoral filament long, reaching to base of 27th to 41st anal fin ray.: elongated; Cross section: compressed.
Behavioural data for Humpback hairfin anchovy is currently being reviewed.
Diet information for Humpback hairfin anchovy is currently being compiled.
Reproduction data for Humpback hairfin anchovy is currently being compiled.
Marine; brackish; pelagic-neritic. Tropical; 11°S - 18°S, 120°E - 127°E Indian Ocean: northern coast of Western Australia at Medusa Bank, Cambridge Gulf, but presumably elsewhere along that coast.
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