Sex with the lights on? A review of bioluminescent sexual dimorphism in the sea (review article)

Herring, P.J.. 2007 Sex with the lights on? A review of bioluminescent sexual dimorphism in the sea (review article). Journal of the Marine Biological Association of the United Kingdom, 87 (4). 829-842. 10.1017/S0025315407056433

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Abstract/Summary

The reflected patterns and colours of terrestrial animals often show a sexual dimorphism associated with visual display, mate recognition and selection. In the sea the structures associated with bioluminescence may also show a marked sexual dimorphism. Some apparent bioluminescent dimorphisms (e.g. differences in photophore numbers) are probably secondary functions of sexual differences in size. A role in sexual communication is much more likely where specific photophores are developed or enlarged in mature specimens of one sex only but the presence of light organs in female anglerfishes (but not in males) is complicated by a significant size dimorphism. Dimorphisms in dragonfishes and lanternfishes primarily involve the relative enlargement of particular photophores in the males. A sexual role is assumed, but the morphological differences are often small. Most male ponyfishes have enlarged light organs; behavioural observations of free-swimming animals have clearly demonstrated that the males use them to generate bioluminescent sexual signals.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1017/S0025315407056433
ISSN:	0025-3154
Date made live:	10 Sep 2007 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/148309

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1017/S0025315407056433

ISSN:

0025-3154

Date made live:

10 Sep 2007 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/148309