Cephalo-traumatic secretion transfer in a hermaphrodite sea slug

Lange, Rolanda, Werminghausen, Johanna and Anthes, Nils (2013) Cephalo-traumatic secretion transfer in a hermaphrodite sea slug. Proceedings of the Royal Society B: Biological Sciences, 281 1774: 2424.1-2424.6. doi:10.1098/rspb.2013.2424


Author Lange, Rolanda
Werminghausen, Johanna
Anthes, Nils
Title Cephalo-traumatic secretion transfer in a hermaphrodite sea slug
Journal name Proceedings of the Royal Society B: Biological Sciences   Check publisher's open access policy
ISSN 0962-8452
1471-2954
Publication date 2013-11-13
Year available 2013
Sub-type Article (original research)
DOI 10.1098/rspb.2013.2424
Open Access Status DOI
Volume 281
Issue 1774
Start page 2424.1
End page 2424.6
Total pages 6
Place of publication London, United Kingdom
Publisher The Royal Society Publishing
Language eng
Formatted abstract
Mating rituals in the animal kingdom are often quite extraordinary, in particular when mating is traumatic. We here describe the exceptional traumatic mating behaviour of the currently undescribed sea slug, Siphopteron sp. 1. Similar to four congeners, Siphopteron sp. 1 routinely exhibits traumatic secretion transfer through a stylet-like penis appendage. Contrary to previous descriptions, however, prostate secretions are injected centrally into the partner's forehead, representing, to our knowledge, the first-known instance of 'cephalo-traumatic secretion transfer'. We further provide a comparative quantification of within- and between-species variation in injection sites and derive a potential neurophysiological function of prostate secretions that are injected close to, or into, the central nervous system.
Keyword Hermaphrodite
Hypodermic impregnation
Opisthobranchia
Sexual selection
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Biological Sciences Publications
 
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