Note

Stigmatoteuthis hoylei: Hectocotylus

Richard E. Young and Michael Vecchione

The following photographs are of a preserved hectocotylized arm I of S. hoylei, 100 mm ML, Hawaiian waters.

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Figure. The distal portion of the hectocotylus of S. hoylei. The suckers on the right side of the photograph are much smaller that those to the left, nearer the tip. Also heavy pigmentation occurs along the crest of the keel.Photograph by R. Young.

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Figure. Left - Photomicrograph of the large suckers near the tip of one hectocotylized arm of S. hoylei. The oral surface of the suckers are covered by a thick, fleshy tissue. The horny sucker ring is the dark amber band. Right - Side view of a sucker from the base of the same arm. The sucker has a very large, fleshy oral hood. Photographs by R. Young.

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Figure. Oral view of one hectocotylized arm of S. hoylei in the region of multiple series of suckers. This photograph was taken of the opposite arm from that in the description on the previous page.Photograph by R. Young.

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Figure. Oral view of one hectocotylized arm of S. hoylei proximal to the multiple-sucker-series region. Note the broad separation of the sucker series and the postion of each sucker at the end of an elongate base.Photograph by R. Young.

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Figure. Side view of the midregion of one hectocotylized arm of S. hoylei. The palasade effect of the long sucker bases can be seen through the skin. Photograph by R. Young.

About This Page


University of Hawaii, Honolulu, HI, USA


National Museum of Natural History, Washington, D. C. , USA

Page: Tree of Life Stigmatoteuthis hoylei: Hectocotylus Authored by Richard E. Young and Michael Vecchione. The TEXT of this page is licensed under the Creative Commons Attribution-NonCommercial License - Version 3.0. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Click on an image or a media link to access the media data window, which provides the relevant licensing information. For the general terms and conditions of ToL material reuse and redistribution, please see the Tree of Life Copyright Policies.

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