Female Crabs: A mature (adult) female blue crab, known as a "Sook," is identified with an inverted "U" or bell-shaped apron and red-tipped claws. Crabs are found in all of the world's oceans, while many crabs live in fresh water and on land, particularly in tropical regions. There are many kinds of crab, but none can match the sweet taste & hearty texture of the blue crab. When approaching this pubertal molt, females release a pheromone in their urine which attracts males. Female blue crabs mate only once in their lives, when they become sexually mature immediately following their pubertal molt (immediately following this molt, the female is known as a "sook.") Cameron’s Seafood is proud to be a True Blue certified partner which means that we only sell 100% authentic Maryland crabs. How to tell a male and female crab? The female blue crabs have rounded abdomen. Its shell, or carapace, is actually a mottled brownish color, and mature females have red highlights on the tips of their pincers. Blue crabs are one of the most important commercial and recreational catches in the Chesapeake Bay. Chop off crab legs and discard, but save claws. The second way is to flip the crab on its underside and check the flap. Underside of immature female blue crab, showing more triangular shape. The first thing to do is turn the blue crab over so that the top shell is facing the table and the white belly is facing upwards. It is considered the most valuable fishery in the bay. The eggs are fertilised by the stored sperm and, when laid, they attach under the female’s abdomen, forming a spongy mass. The female blue crab is easy to distinguish from the male, as she has red-tipped claws. About The Species. Female Blue Crab Blue Crab is a Maryland favorite enjoyed by everyone across the USA. There are multiple ways to identify the sex of a Blue Swimmer Crab. Blue Crabs. Place crabs in large pot and add about 2 cups of water. Mating in blue crab is a complex process that requires precise timing of mating at the time of the female's terminal molt. That’s why I was lucky enough to find crab roe when I cracked open the crab. The blue crab, Callinectes sapidus, is on of the Chesapeake Bay's most iconic species. The blue crab’s scientific name comes from the Greek words for “beautiful” and “swimmer.” Male blue crabs are known as “jimmies,” while mature females are called "sooks." The blue crab is a highly sought-after shellfish. The male blue crabs have the slender and long abdomen. They contain sweet crab meat and have a very delicate flavor. One differentiating feature is in their colouring. Also, the tomalley (aka “mustard”) is found in all blue crabs. The female will lay up to two million eggs in a spongy mass that starts off an orange color, but gets closer to black as it … Females stop molting when they reach sexual maturity; this occurs after 21 to 22 molts. If the flap looks like an inverted Y it is male if it is rounded like a dome it is female. "A female molts once to become an adult. Males are electric blue, whilst females are mottled brown. During this transition, the abdomen changes from a triangular to a semicircular shape. It is the crustacean’s fat, and it enriches the texture, bringing a delicious buttery feel to any dish. Due to sea predators only 1or 2 eggs of the over two million eggs will ever make it to be a blue crab. For example, the female blue crab, which is typical for East Coast crabs, has a broad, triangular-shaped area in the center of the shell, whereas the male has a more distinctive, elongated spire in the center. Many people choose to do this with their fingers. Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a single pair of chelae (claws). She … Crabs are available live or steamed & seasoned to perfection. The red tips, of course, blend in with the overall color of the crab once it has been cooked, or steamed. Mary Hollinger / National Oceanic and Atmospheric Administration / 2014 Males are usually preferred for eating because they grow larger, and crab catchers tend to prefer to leave females in the water to spawn more crabs. The blue crab's mating season occurs between May and October. The male deposits sperm in sacks inside the female, which she uses in the future. The width of carapace of blue crab can reach 9.1 inches or 23 cm. Male blue crabs will carry a soon-to-molt female crab until she molts and is ready to mate. The peak season is from April to mid December in 2020. 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