Otolith description

Otolith very small to small, ovate to fusiform. Dorsal margin lobed; ventral margin entire to slightly lobed on antero-ventral margin. Sulcus groove heterosul-coid; opening ostial. Ostium extends onto rostrum and larger than cauda. The cauda extends towards the postero-ventral margin via a groove. Colliculum heteromorph. Collum indistinct or absent. Crista superior ridge-like above neck and ostium; crista inferior ridge-like, extending onto rostrum and sometimes nebuliform centrally. Rostrum broad, moderate in length and rounded. Excisura deep with acute angle when present in larger otoliths. Dorsal area depression deep, oval. Ventral area depression absent, but groove present.

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