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Octopus Essay Topics & Paper Examples

Blue-Ringed Octopus

The blue-ringed octopus lives in shallow reefs and tide pools in the Pacific Ocean, usually at depths ranging from 0 to 20m (Sheedy and Beasley, 2003). There are four kinds of blue-ringed Octopuses (genus Hapalochlaena): (1) the greater blue-ringed octopus (Hapalochlaena lunulata); (2) the southern blue-ringed octopus or lesser blue-ringed octopus (Hapalochlaena maculosa); (3) the blue-lined octopus (Hapalochlaena fasciata); and (4) Hapalochlaena nierstraszi, first described in the year 1938 from a single specimen found in the Bay of Bengal (Blue-Ringed Octopus, 2007). The blue-ringed octopus uses its dermal chromatophore cells to camouflage itself until it is provoked. Before it is provoked, its color may vary from dark brown to dark yellow (Interesting Animals). Once provoked, the octopus swiftly changes its…