Monday, March 4, 2013

Biology of a lobster

Where do they live?
Most American lobsters come from the east coast, running from Maine to North Carolina. More then 70 million pounds of lobster is caught a year in the US and 80% comes from Mass, Maine, and Rhode Island. Small lobsters hide in sea weeds and rocky habitats that's provide good food and shelter. Adolescent lobsters dominate the off shore areas and coastal habitats. Larger lobsters travel into deeper waters and migrate seasonally.

How do lobsters eat?
Lobsters have 4 antennas they use to search around the ocean floor for food. They use the antennas to smell out food. Their antennas work so good they can pick out the smell of amino acids on their favorite types of food. They chew the food with teeth in their stomachs, they use three surfaces to grind the food down before it fully entires the stomach.

Do lobsters lay eggs?
Female lobsters can carry live sperm for two years and fertilize it when they're ready. A one pound lobster carries 9,000 eggs and a 9 pound lobster carries more then 100,000 eggs. The eggs stay inside the lobster for a year, and then another year outside the lobster attached under her tail. Of of the 50,000 eggs releases only 2 of the lobsters are expected to survive and sick back to the bottom of the water as baby lobsters. Even though only less then 1% of baby lobsters survive, near shore lobsters have a 90% chance of ending up on someone's dinner plate.

What do lobsters eat?
Lobsters usually move around and hunt for food at night. People used to think that lobsters were scavengers and ate primarily dead things. However, researchers figured out that lobsters catch mainly fresh food except for bait which includes fish, crabs, clams, mussels, sea urchins, and sometimes even other lobsters

http://www.nefsc.noaa.gov/faq/fishfaq7.html










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