The Homarus: The True Lobster

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The Homarus americanus also known as the true lobster, the northern lobster, and the Maine lobster play a imperative role in the ecosystem. They are a ample source of food for America and all around the world because fishermen harvest such preponderant amounts lobster. Sometimes they are over fished so places such as the European Union, Canada, the U.S, and New Zealand are starting the manage the amount of lobsters harvested so that fishermen do not deplete the source. The reason they are so imperative is because lobsters are the cynosure of scarce fisheries all around the world and are frequently regional icons mainly because lobsters are some of the most researched animals on earth. Also research centers for lobsters have made enormous amounts …show more content…
In the past year researchers have discovered that the Homarus americanus consume fresh food as their primary food source which includes clams, fish, mussels, crabs, sea urchins, starfish, marine worms, shrimp, plants such as eel-grass and algae, carrion just like the blue crab, and sometimes other lobsters! The Homarus americanus have two claws that are used for acquiring food and consuming the aliment. One of the claws is used to crush shells and animals with hardened outsides such as clams and muscles to obtain some of the meat inside. The other claw is referred to as the feeder claw or pincher which is more maneuverable and transfers the aliment to its mouth. The Homarus americanis consume food by positioning its mouth close to its prey which is how lobsters with omitted appendages consume their victims! When the lobsters fresh catch of the day has to be prepared the lobsters unique digestive system really helps. The digestive system consists of three stomachs, which are within the cephalothorax . The for-gut (first stomach) moils the aliment into minuscule specimens with grinding teeth. The second stomach (mid-gut) has glands to digest the fragment of food. The green allotment of the lobster eaten by some humans (called the "tom-alley") are called …show more content…
A female lobster can mate just after she sheds her outer shell. When she is ready to molt, the female lobster approaches a male's den and giving off wafts pheromone in his direction. Unlike other females, whose pheromone may attract dozens of arbitrary males, the female chooses the male. She usually pursues the bulkiest male in the area and he stands outside his burrow, releasing her scent in a stream of urine from openings just below her antennae. He responds by fanning the water with his swimmerets, permeating his apartment with her pheromone. He emerges from his den with his claws raised aggressively. The female crab responds with a a couple nudges or by turning away. Then the female raises her claws and places them on his head to let him know she is ready to mate. They enter the den, and a few hours to several days later, the female molts. Then the male, who remains amalgamated-shelled, inserts his first pair of swimmerets, and transfers his DNA into a receptacle in the female's body. She stays in the safety of the burrow for about a week until her new shell hardens. After mating, the female stores the sperm for many months. When she is ready to lay her eggs, she turns onto her back and cups her tail. As many as 10,000 to 20,000 eggs are pressured out of her ovaries. They are fertilized as they pass through the sperm receptacle. A substance plasters the eggs to the bottom of the female's tail.She will carry the eggs for 9 to 11

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