St Andrews Research Repository

St Andrews University Home
View Item 
  •   St Andrews Research Repository
  • University of St Andrews Research
  • University of St Andrews Research
  • University of St Andrews Research
  • View Item
  •   St Andrews Research Repository
  • University of St Andrews Research
  • University of St Andrews Research
  • University of St Andrews Research
  • View Item
  •   St Andrews Research Repository
  • University of St Andrews Research
  • University of St Andrews Research
  • University of St Andrews Research
  • View Item
  • Login
JavaScript is disabled for your browser. Some features of this site may not work without it.

Movements and foraging of predators associated with mesophotic coral reefs and their potential for linking ecological habitats

Thumbnail
View/Open
Papastamatiou_2015_MEP_Movements_CC.pdf (2.554Mb)
Date
17/02/2015
Author
Papastamatiou, Yannis
Meyer, Carl G.
Kosaki, Randall K.
Wallsgrove, Natalie J.
Popp, Brian N.
Keywords
Acoustic telemetry
Galapagos sharks
Giant trevally
Network analysis
Amino acids
Stable isotopes
Trophic ecology
QH301 Biology
NDAS
Metadata
Show full item record
Altmetrics Handle Statistics
Altmetrics DOI Statistics
Abstract
Marine predators will often perform diel and seasonal movements associated with specific habitats. In tropical areas, mesophotic coral reefs may be an important habitat type for many predators but their use of these areas has rarely been investigated. We used results of acoustic telemetry and stable isotope analyses to investigate the diel and seasonal movements of Galapagos sharks Carcharhinus galapagensis and giant trevally Caranx ignobilis captured from a mesophotic reef (depth: 50–70 m) at an uninhabited Pacific atoll. All predators performed horizontal and vertical movements over seasonal and diel time frames associated with mesophotic reefs. Galapagos sharks performed reverse diel vertical movements diving deeper during the night than during the day, while giant trevally displayed a mix, with some individuals performing regular diel movements (deep during the day, shallow at night) while others performed reverse vertical diel movements. Trevally used very shallow water during the spawning periods in the summer. The isotopic compositions of predators suggest they primarily forage in shallow reefs, although approximately 35% of resources came from mesophotic reefs. Similar to variability in vertical movement strategies, giant trevally occupied a wide range of trophic positions, potentially due to individual specialization in diet and high levels of intra-specific competition. Mesophotic reefs provide some prey to upper level predators but may primarily serve as a refuge habitat. The frequent movements between habitats suggest that marine predators may function as significant transporters of nutrients from shallow to mesophotic reefs.
Citation
Papastamatiou , Y , Meyer , C G , Kosaki , R K , Wallsgrove , N J & Popp , B N 2015 , ' Movements and foraging of predators associated with mesophotic coral reefs and their potential for linking ecological habitats ' , Marine Ecology Progress Series , vol. 521 , pp. 155-170 . https://doi.org/10.3354/meps11110
Publication
Marine Ecology Progress Series
Status
Peer reviewed
DOI
https://doi.org/10.3354/meps11110
ISSN
0171-8630
Type
Journal article
Rights
© The authors 2015. Open Access under Creative Commons by Attribution Licence (http://creativecommons.org/licenses/by/3.0/). Use, distribution and reproduction are unrestricted. Authors and original publication must be credited.
Collections
  • University of St Andrews Research
URL
http://www.int-res.com/articles/suppl/m521p155_supp.pdf
URI
http://hdl.handle.net/10023/6169

Items in the St Andrews Research Repository are protected by copyright, with all rights reserved, unless otherwise indicated.

Advanced Search

Browse

All of RepositoryCommunities & CollectionsBy Issue DateNamesTitlesSubjectsClassificationTypeFunderThis CollectionBy Issue DateNamesTitlesSubjectsClassificationTypeFunder

My Account

Login

Open Access

To find out how you can benefit from open access to research, see our library web pages and Open Access blog. For open access help contact: openaccess@st-andrews.ac.uk.

Accessibility

Read our Accessibility statement.

How to submit research papers

The full text of research papers can be submitted to the repository via Pure, the University's research information system. For help see our guide: How to deposit in Pure.

Electronic thesis deposit

Help with deposit.

Repository help

For repository help contact: Digital-Repository@st-andrews.ac.uk.

Give Feedback

Cookie policy

This site may use cookies. Please see Terms and Conditions.

Usage statistics

COUNTER-compliant statistics on downloads from the repository are available from the IRUS-UK Service. Contact us for information.

© University of St Andrews Library

University of St Andrews is a charity registered in Scotland, No SC013532.

  • Facebook
  • Twitter