Pike crabs have yellows around April and from August to November. Pike crabs have yellow only during the spawning period, and the yellow is the seed of the female crab. Pike crabs are decapods, pike crab family, pike crab genus animals, some places commonly known as "white crab". Pike crabs are distributed in Japan, Korea, the Malay Archipelago, the Red Sea and other places, the vast majority of mainland China's coastal areas are also distributed.

The pike crab is good at swimming, but also digging sediment, often lurking on the sea floor or near the estuary, ferocious and aggressive, strong fertility, fast growth. the end of March, the crab swam to the shallow water to spawn, spawning crabs, the largest individual crab up to 750 grams, in mid-April, late April, for the spawning season, from the first juvenile crabs to the maturity of the stage, it generally takes three years.

The pike crab is the most robust individual in the winter wandering season, generally weighing about 250 grams, the largest up to 500 grams. The female crabs are full of red paste and have an excellent flavor.