Metapenaeus monoceros (Fabricius, 1798)

Straight rostrum

PETASMA distomedian projection convoluted, greatly swollen' bulbiform, directed anteriolaterally and concealing distolateral projections in ventral view.

THELYCUM anterior plate long and deeply grooved; lateral plates with strongly raised lateral margins forming 2 longitudinal crests.

Meral spine of male

Distinctive characters : Almost entire body pubescent; rostrum armed with 9 to 12 teeth along entire dorsal margin, straight, reaching as far as, or beyond, tip of antennular peduncle.

Colour : Pinkish