American lobster

in americanlobster •  6 years ago 
  • American lobster
  • American lobster or lobster Americas ( binomial nomenclature : Homarus americanus ), is a species of lobster found in seaside Atlantic North America , mainly from Labrador to New Jersey . Within North America, it is also known as 'Northern lobster' or 'Maine lobster'. It has two larger and stronger bodies, a pair of long beards and four pairs of legs, which can reach a body length of 64 cm (25 in), and a volume of over 20 kilograms (44 lb), making it a species The most severe armor in the world. Its closest close relative is European lobster ( Homarus gammarus), can be distinguished by its color and lack of thorns on the underside of the rostrum . American evergreen green lobsters turn brown with red spikes, but some color variations have been observed.
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  • Distribution:
  • Homarus americanus is distributed along the Atlantic coast of North America , from Labrador in the north to Cape Hatteras , North Carolina in the south . They live in cold waters, ambient temperatures of 2-20 degrees Celsius. In southern New Jersey , this species is not widespread, and the amount of lobster caught ashore in Delaware , Maryland , Virginia and North Carolina is usually only accounting for less than 0.1% of the caught shrimp brought ashore. A more fossils are thought of Homarus americanus were found atNantucket , dating from the Pleistocene .
  • Life cycle
  • The mating cycle only takes place in July and August every year, not long after the lobster changes its shell. Larvae are born in May and June next year. Larvae are about 8.5mm long, transparent. The larvae continuously change their shells to form the wall, the survival rate is 1/1000 to the adult stage. Adult lobsters sink to the bottom of the ocean to continue to grow according to the benthic lifestyles. The intensity of peeling changes slowly, from 10 times / year to 1 time / year. After 1 year, the length reaches 25-28mm. After 6 years the weight reaches 450gr. An individual can change shells from 25-27 times in life.

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its really big

thank :x