Marine Biology

, Volume 142, Issue 5, pp 841–847 | Cite as

Diel movement patterns of the Hawaiian stingray, Dasyatis lata: implications for ecological interactions between sympatric elasmobranch species

  • D. P. Cartamil
  • J. J. Vaudo
  • C. G. LoweEmail author
  • B. M. Wetherbee
  • K. N. Holland


The Hawaiian stingray, Dasyatis lata, is a common benthic elasmobranch in nearshore Hawaiian waters. Acoustic telemetry was used to track the movements of seven rays in Kaneohe Bay, Oahu, Hawaii. Rays were tracked continuously over 31–74 h periods. Geographical movements were analyzed to determine space utilization and rate of movement. Rays were found to utilize significantly larger activity spaces at night (0.83±0.70 km2) (mean±SD) than during the day (0.12±0.15 km2). Mean total activity space for rays tracked was 1.32±0.75 km2. Rates of movement were also significantly higher at night (0.34±0.30 km h-1) than during the day (0.15±0.22 km h-1). Average straight-line swimming speed was 0.64±0.16 km h-1, with a maximum observed swimming speed of 1.9 km h-1. Tidal stage had no effect on rate of movement. Comparison with previously published data on juvenile scalloped hammerhead sharks, Sphyrna lewini, in Kaneohe Bay revealed a high degree of overlap in habitat use and time of activity, suggesting possible ecological interactions between these two species.


Activity Space Patch Reef Tidal Stage Scalloped Hammerhead Shark Large Activity Space 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This study was supported by the Pauley Foundation's Summer Program in Elasmobranch Biology, the Hawaii Institute of Marine Biology, and California State University, Long Beach. We thank A. Castro, E. Rechisky, Y. Papastamatiou, M. Marcotte, J. Henly, T. Lisney, L. Haines, J. New, E. Heist, K. Duncan, T. Fitzgerald, A. Jaffe, I. Ohta, A. Schrey, L. Tyler, J. Mello, B. Frentzel-Beyme, S. Kajiura, and A. Bush for their assistance tracking. This project was approved by the University of Hawaii's Animal Care and Welfare Board.


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Copyright information

© Springer-Verlag 2003

Authors and Affiliations

  • D. P. Cartamil
    • 1
  • J. J. Vaudo
    • 1
  • C. G. Lowe
    • 1
    Email author
  • B. M. Wetherbee
    • 2
  • K. N. Holland
    • 3
  1. 1.Department of Biological SciencesCalifornia State UniversityLong BeachUSA
  2. 2.Department of Biological SciencesUniversity of Rhode IslandKingstonUSA
  3. 3.Hawaii Institute of Marine BiologyKaneoheUSA

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