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- Title
How squid swim and fly<sup>1</sup>.
- Authors
O'Dor, R.K.
- Abstract
Squid have been studied extensively since 1982 to quantitatively measure their cost of locomotion and compare it with costs for fishes that are their primary competitors in the ocean. Early work focused on oxygen consumption in swim tunnels and led to the use of jet pressure tags to relate captive studies to behaviour in nature. Dosidicus gigas (d'Orbigny, 1835) (jumbo flying squid or Humboldt squid), which has expanded its range more than 10-fold, is used to illustrate how 'live fast, die young' squid can out compete fishes in changing times by both swimming and flying. Recent work has provided quantitative data on the costs of flying and this report provides some comparisons. Costs of flight in nature require new technology, which has fortunately arrived just in time. Accelerometry tags can now provide similar and perhaps better data on travel rate in nature, both in water and in air. These work on both squid and fish, so more and better comparisons are becoming possible.
- Subjects
SQUIDS; SWIMMING; MARINE animal physiology; ANIMAL locomotion; OXYGEN consumption; ACCELEROMETRY; ANIMAL behavior; MOLLUSKS
- Publication
Canadian Journal of Zoology, 2013, Vol 91, Issue 6, p413
- ISSN
0008-4301
- Publication type
Article
- DOI
10.1139/cjz-2012-0273