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Function of the Dimorphic Eyes in the Midwater Squid Histioteuthis dofleini

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Title:Function of the Dimorphic Eyes in the Midwater Squid Histioteuthis dofleini
Authors:Young, Richard Edward
Date Issued:Apr 1975
Publisher:University of Hawai'i Press
Citation:Young RE. 1975. Function of the dimorphic eyes in the midwater squid Histioteuthis dofleini. Pac Sci 29(2): 211-218.
Abstract:The squid Histioteuthis dofleini, like other members of the family
Histioteuthidae, has a large left eye and a small right eye. The large eye points in a
dorsal posterior direction while the squid typically orients at an oblique angle with
the arms downward. The large eye, as a result, points vertically upward. The small
eye appears to be directed ventrolaterally. This squid occurs primarily at depths of
500 to 700 m during the day where it is exposed to low levels of downwelling light.
Presumably the large eye utilizes this faint downwelling light while the smaller eye
utilizes bioluminescent light.
Appears in Collections: Pacific Science Volume 29, Number 2, 1975

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