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Project Noah Nature School
Octopus vulgaris
Medium to large sized; animal chunky in appearance. Arms stout, of about equal length and thickness, dorsal pair of arms slightly shorter; shortened right arm III of males hectocotylized by modification of tip into a very small, spoon-shaped ligula; ligula index (length of ligula expressed as percentage of length of hectocotylized arm) less than 2.5; 7 to 11 gill lamellae on outer side of of gill, including terminal lamella.
A benthic, neritic species occurring from the coastline to the outer edge of the continental shelf(in depths from 0 to 200 m), where it is found in a variety of habitats, such as rocks, coral reefs, and grass beds.It is inactive in waters of 7°C and colder.
Spotted on Sep 27, 2010
Submitted on Oct 20, 2013
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