Opisthonema oglinum

Opisthonema oglinum
Atlantic Thread Herring – Opisthonema oglinum
FamilyScientific NameAuthorYearCommon Name
CluepeidaeOpisthonema oglinum(Lesueur)1818Atlantic Thread Herring

Opisthonema oglinum

Unique Characters: Upper jaw without median notch. Posterior border of gill opening with 2 fleshy lobes. No small, toothed hypomaxilla between posterior tip of premaxilla and expanded blade of maxilla. Last dorsal-fin ray filamentous. 7 branched pelvic-fin rays.

Similar Species:

Atlantic Herring Clupea harengus

Scaled Sardine Harengula jaguana

Spanish Sardine Sardinella aurita

Atlantic Herring Clupea harengus. Upper jaw without median notch. Posterior border of gill opening evenly rounded.

Scaled Sardine Harengula jaguana. Upper jaw without median notch. Posterior border of gill opening with 2 fleshy lobes. Small, toothed hypomaxilla present between posterior tip of premaxilla and expanded blade of maxilla.

Spanish Sardine Sardinella aurita. Upper jaw without median notch. Posterior border of gill opening with 2 fleshy lobes. No small, toothed hypomaxilla between posterior tip of premaxilla and expanded blade of maxilla. Last dorsal-fin ray normal. 8 branched pelvic-fin rays.

Gallery