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Crab Varieties and Types

Crabs will regenerate their claws

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Whole Dungeness crab
Lara Hata/Photodisc/Getty Images

Crab Varieties

There are over 4,400 varieties of crabs. Here is general identifying information for the most common edible varieties of crab.

Blue Crab: Its latin name, Calinectes sapidus, means "beautiful swimmer," and it is indeed a beautiful blue-green color. The most prolific species on the East Coast of the US, this is the crab which also gives us soft-shell crabs. They range in size from 3-1/2 inches up to 5-1/2 inches or more on the market. These crabs do turn the traditional reddish color when cooked.

Dungeness Crab: Latin name Cancer magister, this crab is found in coastal waters from Alaska, United States to Baja, Mexico. This large crab usually weighs in from 1-3/4 to 4 pounds, and is brown to purple in color. It is named for the former small town of Dungeness on the Olympic Peninsula in Washington state, US, which first began commercially-harvesting the delicacy. Law requires the crab to be at least 6-1/4 inches long to be harvested, and only males can be taken. Prime season is in the winter months. The pink flesh is succulent and sweet.

Horseshoe Crab: Latin name Limulus polyphemus, this crab is named for its resemblance in shape to a horseshoe. It is considered a living fossil, tracing its roots back some 500 million years. It is found along the Atlantic coast from Nova Scotia to the Yucatan and along Asian coasts from Japan and the Philippines to India. And yes, they are indeed edible, although the ratio of meat to shell is small.

King Crab: Latin name Paralithodes camtschaticus, this giant crab is also often called "Alaskan King crab," "Japanese crab," and "Russian crab" due to its size, which can reach up to 25 pounds and measure up to 10 feet. It may be large, but only about one-fourth is edible, primarily the legs and claws. Only males are harvested. The delicately-flavored meat is snowy white with a bright red outer edge. Click for photo

Peekytoe Crab: These are Maine rock or sand crabs which were pretty much a throwaway by-product of lobster fishing before a brilliant marketing move changed their name to "peekytoes" around 1997. They are classified as Cancer irroratus, also known as bay crab and rock crab. You will find full background information on this interesting and popular crab here.

Rock Crab: Latin name Cancer quanbumi, it is found along the East coast of the US, living among rocks and in deep water. Its spindly legs make it resemble a spider, and is also known as "spider crab." "Snow crab," (Chionoecetes opilio) "tanner," and "queen crab" are also known as spider crabs.

Snow Crab: See Rock Crab (above).

Stone Crab: Latin name Menippe mercenaria, it is also called "moro" or "morro" crab. It has large, very hard claws that are prized for their meat. Most of the harvest comes from Florida, US, where it is a prized delicacy harvested from October 15 to May 15. Only the claws are eaten, so fishermen twist off one claw from crabs and toss them back to grow a new one. Crabs will regenerate their claws within 18 months. They are left with one claw to defend themselves. The law requires these claws to be boiled for 7 minutes and then either put on ice or frozen. The freezing process seems to remove an unpleasant iodine taste which is often noticed in the meat. To determine which claws have the most meat, they are floated in a tank of water, with the less meaty claws rising and being sold as "lights." To serve, the claws are cracked with a mallet and served cold with dipping sauces. Minimum size for claws is 2 to 2.75 ounces. The meat has a firm texture and a sweet, succulent flavor.

More About Crabs and Crab Recipes:

Crab Selection and Storage
What is a she-crab? FAQ
Crab Varieties
Crab Terminology
Peekytoe Crabs
Crabs and Health
Crab History
Crab Recipes
Crab Photos © 2008 Peggy Trowbridge Filippone, licensed to About.com, Inc.

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