Grazing by a small fish affects the early stages of a post-settlement stony coral

Christiansen, N. A., Ward, S., Harii, S. and Tibbetts, I. R. (2009) Grazing by a small fish affects the early stages of a post-settlement stony coral. Coral Reefs, 28 1: 47-51. doi:10.1007/s00338-008-0429-9


Author Christiansen, N. A.
Ward, S.
Harii, S.
Tibbetts, I. R.
Title Grazing by a small fish affects the early stages of a post-settlement stony coral
Journal name Coral Reefs   Check publisher's open access policy
ISSN 0722-4028
1432-0975
Publication date 2009-03
Year available 2008
Sub-type Article (original research)
DOI 10.1007/s00338-008-0429-9
Volume 28
Issue 1
Start page 47
End page 51
Total pages 5
Editor Rolf P. M. Bak
Place of publication Berlin, Germany
Publisher Springer
Language eng
Subject 060801 Animal Behaviour
050102 Ecosystem Function
C1
960808 Marine Flora, Fauna and Biodiversity
Formatted abstract
Short-term experiments were used to isolate the detrimental effects of grazer disturbance on young corals, and determine the stage of development at which recruits are no longer susceptible to this disturbance. Artificial substrata containing an algal matrix and coral recruits of different life stages were exposed to grazing by epilithic algal matrix (EAM) feeding combtoothed blennies, Salarias fasciatus. Single polyp recruits were vulnerable to grazer disturbance, while multi-polyp recruits (ca. 6–8 polyps) survived with evidence of minor damage in the form of tissue and polyp loss. The result indicates that blennies, although small and possessing weak dentition, can negatively influence the survival of young coral recruits. The protruding structure of micro-nubbins, representing juvenile corals were not damaged, suggesting that coral achieving that size and form can escape such damage. 
© Springer.
Keyword Blenniidae
Great Barrier Reef
Coral recruitment
Mortality
Salarias fasciatus
Juvenile corals
Q-Index Code C1
Q-Index Status Provisional Code
Additional Notes Published online: 1 October 2008.

 
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Created: Thu, 03 Sep 2009, 08:52:21 EST by Mr Andrew Martlew on behalf of Centre for Marine Studies