Title

Vision in the Hyperiid Amphipod Scina crassicornis

Document Type

Article

Publication Date

10-2007

Publication Title

Journal of the Marine Biological Association of the United Kingdom

ISSN

0025-3154

Volume

87

Issue/No.

5

First Page

1201

Last Page

1206

Abstract

Light microscopy and extracellular electrophysiology were used to investigate eye structure and visual physiology of the hyperiid amphipod Scina crassicornis, a mesopelagic species that emits unusually short-wavelength luminescence (λmax=435-444 nm). The overall eye morphology is most similar to some previously described deep-dwelling amphipods, though not other hyperiids. Electroretinograms suggest that S. crassicornis possesses a relatively sensitive eye with slow temporal dynamics, and a monochromatic visual system (λmax=472 nm). Vision in S. crassicornis is well-suited for life in mesopelagic waters, and its short-wavelength luminescence does not play a role in intraspecific sexual signalling.

Comments

©2007 Marine Biological Association of the United Kingdom

Additional Comments

National Science Foundation grant #: IBN-0343871

DOI

10.1017/S0025315407056834

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Peer Reviewed

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