Crab roe is the ovaries and digestive glands of female crabs, and crab paste is a collection of seminal vesicles and related organs of male crabs.

1. Crab roe: It is the ovary and digestive gland in the female crab. It is a yellow and fat-rich substance produced by the ovary. Crab roe appears when the crab is mature and has a unique flavor and texture.

2. Crab paste: It is a collection of seminal vesicles and related organs of male crabs. It is a translucent jelly-like liquid.