Science Fair Project Encyclopedia
Seven-arm Octopus
Steenstrup, 1861a
The Seven-arm Octopus (Haliphron atlanticus) is a large rare type of octopus.
It is so named because in males the hectocotylus (a specially modified arm used in egg fertilization) is coiled in a sac beneath the right eye. Due to this species' thick gelatinous tissue, it is easily overlooked, giving the appearance of just seven arms.
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10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details