Title

Spectral Composition of Bioluminescence of Epipelagic Organisms from the Sargasso Sea

Document Type

Article

Publication Date

6-1988

Publication Title

Marine Biology

ISSN

0225-3162

Volume

98

Issue/No.

3

First Page

441

Last Page

446

Abstract

The spectral characteristics of single identified epipelagic sources of bioluminescence from the western Sargasso Sea were measured with an optical multichannet analyzer (OMA) system during the April, 1985, Biowatt cruise. The emission spectra of specimens representing 45 species from 8 phyla were measured. Peak bioluminescence emissions typically occurred between 440 and 500 nm, in the blue region of the visible spectrum. Three exceptions involved emission in the green, yellow, and red spectral regions. Intraspecific variability in spectra was noted in several species. One shrimp species exhibited two modes of light emission, each with different emission spectra. Other cases involved dynamic color shifts of 10 to 14 nm; the source of the spectral variability is unknown, but may involve optical filtering or differences in the color of luminescence from multiple sites of light emission. Measurements from independent samples of unsorted plankton revealed different spectral distributions. This suggests that the spectral emissions of bioluminescence in the upper water column will vary, based on species assemblage.

Comments

©Springer-Verlag 1988

Additional Comments

Office of Naval Research grant #: N00014-84-K-0314; Department of Defense NORDA contract #: N00014-84-C-0604

DOI

10.1007/BF00391120

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Peer Reviewed

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