Characters

Male

Female

Scales

Rough with a sandy texture

Smooth and silky

Operculum

Rough with sandy tubercules

Smooth

Pectoral fin

Rough with a sandy touch, slightly longer than female

Smooth and slippery, slightly smaller in length

Abdomen

Round and firm and not too soft to the touch

Bulging out on both sides or puffy, soft and palpable

Vent

Concave, generally white.

Convex, projecting like a small papilla, reddish or pinkish.

Pressure on abdomen

On slight pressure above the vent on the abdomen, milky white fluids (milt) run through the vent.

On slight pressure, a yellowish discharge or a few ova may come out through the vent.