American Lobster
Scientific Name: Homarus americanus
Category: other
Brief Description
A large marine crustacean known for its massive, powerful claws and dark greenish-blue or brownish shell.
Characteristics
Features a heavy exoskeleton, two large asymmetrical claws (a crusher claw and a cutter claw), long antennae, and a segmented body ending in a broad tail fan.
Habitat
Cold, rocky marine waters along the Atlantic coast of North America, where they shelter in crevices and burrows.
When to Find It
Active year-round, though commercial catches and shallow-water sightings vary by water temperature.
Conservation Status
Least Concern
Ecological Role
Acts as an important benthic predator and scavenger, helping to regulate populations of sea urchins, mollusks, and other bottom-dwelling invertebrates.
Easily Confused With
European lobster (Homarus gammarus), which typically exhibits a brighter blue coloration and is found in the eastern Atlantic.
Observation Tips
Look for them hiding under ledges and in rocky crevices during scuba diving or in public aquariums.
Interesting Facts
Lobsters can live for decades and have blue blood due to the copper-based molecule hemocyanin used to transport oxygen.