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The caridoid escape reaction is an innate danger response in crustaceans such as lobsters and crayfish, which contracts abdominal flexions and sends the crustacean flying backward in the water. [21] Brachyura and species which have undergone carcinization have strongly bent and immobile tails, which prevent them from using this evasion strategy.
Lobsters, like snails and spiders, have blue blood due to the presence of hemocyanin, which contains copper. [8] In contrast, vertebrates, and many other animals have red blood from iron-rich hemoglobin. Lobsters possess a green hepatopancreas, called the tomalley by chefs, which functions as the animal's liver and pancreas. [9]
Blue 1 in 2 million Some lobsters become blue as a result of a genetic mutation that causes the lobster to produce an excessive amount of a particular protein. [23] The protein and a red carotenoid molecule known as astaxanthin combine to form a blue complex known as crustacyanin, giving the lobster its blue color. [24]
On menus, the aquatic arthropod can reach sky-high prices: a blue lobster paella for $230 in Las Vegas, a lobster tower for nearly $700 in Toronto, or giant salted egg lobster for $460 in Vietnam ...
On this European lobster, the right claw (on the left side of the image) is the crusher and the left claw is the cutter.. Homarus gammarus is a large crustacean, with a body length up to 60 centimetres (24 in) and weighing up to 5–6 kilograms (11–13 lb), although the lobsters caught in lobster pots are usually 23–38 cm (9–15 in) long and weigh 0.7–2.2 kg (1.5–4.9 lb). [3]
Crustacyanin is a carotenoprotein biological pigment found in the exoskeleton of lobsters and blue crabs and responsible for their blue colour. [ 1 ] β-Crustacyanin (β-CR), is composed of two stacked astaxanthin carotenoids that absorb at λ = 580–590 nm (2.10–2.14 eV).
Plus, score a timing secret from the experts to ensure you never overcook lobster again.
European lobster or common lobster: may grow to a length of 60 cm (24 in) and a mass of 6 kilograms (13 lb), and bears a conspicuous pair of claws. [8] In life, the lobsters are most of the time blue, only becoming "lobster red" on cooking. [9] Homarus gammarus is a highly esteemed food, and is widely caught using lobster pots, [8]