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Tracking arrow squid movements with an automated acoustic telemetry system


Stark, KE and Jackson, GD and Lyle, JM, Tracking arrow squid movements with an automated acoustic telemetry system, Marine Ecology Progress Series, 299, (September 1) pp. 167-177. ISSN 0171-8630 (2005) [Refereed Article]

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DOI: doi:10.3354/meps299167


This study investigated the movement, spatial usage and activity patterns of the arrow squid Nototodarus gouldi (Cephalopoda: Ommastrephidae) using an automated acoustic telemetry system. Sixty-four automated acoustic receivers were aligned as underwater ‘curtains’ across the entrances to bays and inlets around Storm Bay, southeastern Tasmania. N. gouldi were tagged with small uniquely coded transmitters and released. Twelve tagged squid were detected for up to 37 d over an area of more than 300 km2. Tagged squid moved widely between Storm Bay and the Derwent River, but none were detected moving into the adjoining bays or the D’Entrecasteaux Channel. Tagged squid appeared to move out of Storm Bay throughout the study period, suggesting a highly dynamic population. There was evidence of a relationship between level of activity and photoperiod, with visits to receivers being longer and more variable in duration in the night compared to the daytime. Schooling or group movement was not observed. Rates of movement between non-adjacent receivers varied widely with those over distances of 10 km or more, ranging from 0.09 to 0.52 mantle lengths per second (ML s–1), and 1 instance of an average speed of 3.6 ML s–1 over 9.3 km.

Item Details

Item Type:Refereed Article
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and estuarine ecology (incl. marine ichthyology)
Objective Division:Animal Production and Animal Primary Products
Objective Group:Fisheries - wild caught
Objective Field:Fisheries - wild caught not elsewhere classified
UTAS Author:Stark, KE (Dr Kate Stark)
UTAS Author:Jackson, GD (Dr George Jackson)
UTAS Author:Lyle, JM (Associate Professor Jeremy Lyle)
ID Code:38360
Year Published:2005
Funding Support:Australian Research Council (DP0210373)
Web of Science® Times Cited:30
Deposited By:TAFI - Marine Research Laboratory
Deposited On:2005-08-01
Last Modified:2012-03-05

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