A note on the fibre-optic light-guides in the eye photophores of Watasenia scintillans

M. Kawahara, I. G. Gleadall, Y. Tsukahara

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A brief account is given of the anatomy and fibre-optic-like light-guiding properties of rod-like elements in the eye photophores on the ventral surface of the eyeball of the Japanese firefly squid Watasenia scintillans. These light-guiding elements form a dominant proportion of the volume of the photophore (which is assumed to function in counter-illumination) and are aligned such that light from the bioluminescent core is directed in a cone downwards from the eye. A coplanar arrangement of lamellae in the light-guides strongly suggests that the light passing through will be narrowly restricted both in wavelength and polarization. These features are discussed with regard to other recent findings in this species.

Original languageEnglish
Pages (from-to)123-127
Number of pages5
JournalSouth African Journal of Marine Science
Issue number20
Publication statusPublished - 1998 Dec 1

ASJC Scopus subject areas

  • Aquatic Science

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