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A female lobster carrying eggs on her pleopods. The tail flipper second from left has been notched by researchers to indicate she is an active breeding female. Mating only takes place shortly after the female has molted and her exoskeleton is still soft. [41]
The adult female consists of three parts, the cephalothorax, a thorax bearing two large lateral expansions or wings, and the abdomen which is responsible for carrying two oval egg-sacs. The female Nicothoe astaci abdomen tip measures 1.2–1.3 millimetres (0.047–0.051 in), and each wing measures 4 mm (0.16 in) long.
After mating, the fertilized eggs are carried on the female's pleopods until they hatch, with between 120,000 and 680,000 carried by a single female. [6] The eggs begin coral red, but darken as they develop to a deep maroon. [5] When she is carrying the eggs, the female is said to be "berried". The eggs are ready to hatch after 10 weeks, [6 ...
Metanephrops is a genus of lobsters, ... with copulation occurring after a female moults. ... viable eggs were produced 3 days following an instance where sperm ...
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]
After mating, the fertilized eggs of the California spiny lobster are carried on the female's pleopods until they hatch, with between 120,000 and 680,000 carried by a single female. [50] The eggs begin coral red, but darken as they develop to a deep maroon. [51] When she is carrying the eggs, the female is said to be "berried".
Lobster is also used in soup, bisque, lobster rolls, cappon magro, and dishes such as lobster Newberg and lobster Thermidor. Cooks boil or steam live lobsters. When a lobster is cooked, its shell's color changes from brown to orange because the heat from cooking breaks down a protein called crustacyanin , which suppresses the orange hue of the ...
Nephrops norvegicus at Cretaquarium in Greece. Nephrops norvegicus has the typical body shape of a lobster, albeit narrower than the large genus Homarus. [3] It is pale orange in colour, and grows to a typical length of 18–20 centimetres (7–8 in), or exceptionally 25 cm (10 in) long, including the tail and claws. [4]