One, different places of origin

1, red hair crabs are produced in the waters of Japan? Vladivostok Sea, Russia, North Korea, the Gulf of Korea and other waters.

2, the snow crab main place of origin: the United States, Alaska, Canada, Australia, Antarctica is also the snow crab distribution.

3, king crab is mainly distributed in the cold sea.

Survival of different water temperatures

1, king crab survival water temperature in 2-5 ℃.

2, red hair crabs like low temperature, generally 5 degrees above zero is his preferred temperature.

3, snow crab survival water temperature of about 6 ℃.

Three, different sizes

1, snow crab specifications in 700-1100 grams.

2, red hair crab male individuals, between 0.6-2 kilograms, female between 0.3 to 0.7 kilograms.

3, king crab between 1 kg to 5 kg.

Expanded Information

Substandard Identification

I. King Crab:

1. Flesh greenish - undercooked or incompletely cleaned, and the rate of dead crabs during transportation is too high. The rate of dead crabs should be no more than 10%.

2. Crystallization of crab meat indicates refreezing after thawing or slow freezing.

3, crab meat is too salty - crab meat is not cooled enough before freezing.

4. Low plumpness - red and blue king crab meat should be no less than 80 percent plump, and golden king crab should be no less than 70 percent plump.

5. Inaccurate net weight (11kg for a 10kg package with 10% ice coating).

6. The number of crab legs and pincers does not match.

7, too much damage, a 20-pound package of crab products should be no more than 1 to 1.5 pounds of damaged goods.

Two, snow crab:

1, the average dead crab during transportation of live crab is about 10%.

2. The rate of shell breakage of reprocessed bulk products exceeded 15 percent.

3. Crab shells have attachments such as barnacles (plankton).

4. Crab meat is green (suggesting incomplete cooking or cleaning).

5. Crystallization of crab meat (thawed and then frozen or frozen too slowly).

6. Excessive salt content suggests that it has not been frozen and stored until completely cooled.

Baidu Encyclopedia - King Crab

Baidu Encyclopedia - Snow Crab

Baidu Encyclopedia - Red Hair Crab