Opisthopterus is a genus of longfin herring in the family Pristigasteridae. There are currently six species in this genus. They are found in Indo-Pacific.

Species Opisthopterus dovii (Günther, 1868) (Dove's longfin herring) Opisthopterus effulgens (Regan, 1903) (Vaqueira longfin herring) Opisthopterus equatorialis Hildebrand, 1946 (Equatorial longfin herring) Opisthopterus macrops (Günther, 1867) (Bigeyed longfin herring) Opisthopterus tardoore (Cuvier, 1829) (Tardoore) Opisthopterus valenciennesi Bleeker, 1872 (Slender tardoor)

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